If you’ve looked into growth hormone peptides, you’ve seen this combination everywhere. Ipamorelin and CJC-1295 (no DAC) is the most popular GH secretagogue stack for a reason. The two peptides hit different receptors on the same pituitary cells, so together they release more growth hormone than either does alone, and ipamorelin skips most of the side effects that come with other peptides in this category.
But there’s a lot of confusion out there. What’s the difference between CJC-1295 with DAC and without? Is Mod GRF 1-29 the same thing? How do you dose this stuff? And what results can you realistically expect?
BrainFlow Newsletter
I’ve been researching and writing about peptides for years, and this guide puts everything I know about the combination in one place. The science, the practical protocols, the real-world results people are getting, and where to buy a blend you can verify. Updated October 2026 with current pricing and the regulatory picture after the July FDA advisory meeting.
Short version on sourcing: I use Paramount Peptides’ 2X Blend, 5mg CJC-1295 no DAC plus 5mg ipamorelin in one vial, synthesized in-house in California and tested by Accumark Labs on every lot. It’s $68.00, and code BRAINFLOW takes 10% off. Details further down.
Quick Answer: What Is the Ipamorelin CJC-1295 Blend?
Ipamorelin + CJC-1295 (no DAC) is a combination of two peptides that work through different pathways to stimulate your body’s natural growth hormone production. Ipamorelin triggers GH release from stored reserves. CJC-1295 promotes both GH production and release. Together, they produce 2-3x more GH than either peptide alone.
This combination is popular because ipamorelin is the “cleanest” GH peptide available. It doesn’t raise cortisol, doesn’t spike prolactin, and doesn’t cause the extreme hunger that other GH peptides like GHRP-6 are known for.
What Are Ipamorelin and CJC-1295?
Before getting into how they work together, each peptide on its own.
Ipamorelin
Ipamorelin is a synthetic pentapeptide (five amino acids) developed by Novo Nordisk. It belongs to a class called Growth Hormone Releasing Peptides (GHRPs), which mimic ghrelin and bind to the ghrelin receptor (GHSR-1a) in your hypothalamus and pituitary gland.
What makes ipamorelin stand out is its selectivity. A 1998 study in the European Journal of Endocrinology found that ipamorelin is the first and most selective GHRP ever developed. It releases growth hormone without affecting cortisol or ACTH, even at doses over 200 times higher than needed for GH release.
That selectivity is a big deal. Other GHRPs like GHRP-6 and GHRP-2 raise cortisol and can push prolactin around. Ipamorelin leaves both alone.
CJC-1295 (No DAC) / Mod GRF 1-29
The naming around this peptide gets confusing. You’ll see it called CJC-1295 without DAC, CJC-1295 no DAC, Mod GRF 1-29, or Modified GRF (1-29). All the same thing. It’s a 29-amino acid analog of your body’s natural Growth Hormone Releasing Hormone (GHRH). The “Mod” or “Modified” refers to four amino acid substitutions that make it more stable and longer-lasting than natural GHRH.
CJC-1295 works differently than ipamorelin. Instead of binding the ghrelin receptor, it binds the GHRH receptor on your pituitary gland. This stimulates both the production of new growth hormone AND its release.
DAC vs No DAC
This distinction decides how you use the peptide, so it’s worth getting right.
Property
CJC-1295 WITH DAC
CJC-1295 NO DAC (Mod GRF 1-29)
Half-life
5.8-8.1 days
~30 minutes
GH release pattern
Sustained elevation
Pulsatile (natural rhythm)
Dosing frequency
1-2x per week
1-3x daily
Mimics natural GH
Less physiological
More physiological
The no-DAC version is preferred for this stack because its short half-life allows for pulsatile GH release that mimics your body’s natural rhythm. The DAC version keeps GH elevated constantly, which is less natural and may cause more side effects over time.
For this blend, I use Paramount Peptides’ CJC-1295 (no DAC) + ipamorelin 2X Blend. It’s 5mg of each peptide per vial (10mg total, the 1:1 ratio you want), synthesized in Paramount’s own lab in Irvine, California, and tested by Accumark Labs at 99% or better purity with the COA posted on the product page. It’s $68.00, and code BRAINFLOW takes 10% off, about $61 a vial.
Why They Work Better Together
The real value of this combination is that ipamorelin and CJC-1295 work through completely different receptor pathways on the same cells.
Ipamorelin (a GHRP) hits the ghrelin receptor and tells your pituitary to release stored GH. CJC-1295 (a GHRH analog) hits the GHRH receptor and tells the same cells to make more GH and release it. Both receptors sit on the same somatotroph cells. Fire both at once and the pulse is bigger than the two effects added together.
Research by Bowers et al. in the Journal of Clinical Endocrinology and Metabolism showed that combined submaximal doses of GHRH and GHRP produced GH release greater than what you’d expect from simply adding their individual effects. A later study by Veldhuis et al. found combined infusion produced 2.0-2.7 fold greater GH secretion than either peptide alone.
There’s a second mechanism underneath that. Ipamorelin suppresses somatostatin, the hormone that puts the brakes on GH release. CJC-1295 doesn’t. So you get more production from the CJC side and less braking from the ipamorelin side. Bigger pulses, same natural pattern.
Benefits (With Evidence Ratings)
What the research shows, versus what’s based on theory or user reports.
Benefit
Evidence Level
Notes
Increased GH/IGF-1
Research-backed
Well-documented in multiple clinical trials
Improved sleep quality
Research-backed
Multiple studies show GHRH boosts deep sleep in men
Increased collagen synthesis
Research-backed
GH therapy shown to increase collagen production
Fat loss
Mixed
Mechanism supported; human outcome data limited
Muscle growth
Mixed
Mechanism supported; outcomes in healthy adults unproven
Recovery/healing
Contradictory
Some positive studies, some negative
Skin/anti-aging
Anecdotal
No controlled trials; extrapolated from GH research
Cognitive function
Correlational
Intervention studies inconclusive
Sleep Quality (Strong Evidence)
One of the best-supported benefits and usually the first thing people notice. Marshall et al. (1996) found that GHRH significantly increased slow-wave sleep (P
Users report this within the first week. Deeper sleep, vivid dreams, waking up feeling like you slept.
There’s a sex difference here. GHRH appears to improve sleep in men but may make it worse in some women. If you’re female and notice sleep getting worse instead of better, this could be why.
Body Composition (Mixed Evidence)
The mechanism is solid. Growth hormone stimulates lipolysis (fat breakdown) and supports lean mass. A 2006 study on CJC-1295 showed it significantly increased GH and IGF-1 levels for extended periods, and CJC-1295 produced an approximate 7.5-fold increase in GH pulse amplitude compared to placebo.
An animal study showed ipamorelin stimulated roughly 14% fat mass loss over 12 months in mice. And tesamorelin (a similar GHRH analog) is FDA-approved for reducing abdominal fat in HIV patients with lipodystrophy.
Peer-reviewed trials showing superior muscle or fat outcomes from this specific combination in healthy, resistance-trained adults don’t exist yet. The hormonal changes are well documented. The physique improvements are extrapolated from those changes and from user reports. That’s fine as long as you go in knowing it.
Recovery and Healing (Contradictory Evidence)
This one’s complicated. Some studies are positive. Doessing et al. (2010) showed 14 days of GH increased collagen synthesis in human tendon and muscle up to sixfold, and a 406-patient tibial fracture trial found GH shortened healing time.
Other studies tell a different story. A 91-patient randomized trial of weekly GH after rotator cuff repair found no improvement in healing, atrophy, or clinical scores at six months. Animal and cell work on tendon healing has been inconsistent too, with several studies finding no early benefit.
Don’t count on this combination as a primary healing tool. It may help recovery between training sessions, but the evidence for actual tissue repair is mixed at best.
What Users Report
Beyond the clinical data, the things people notice most. Better and deeper sleep, usually in the first week. Improved recovery between workouts. Gradual body composition changes over two to three months and beyond. Better skin, more energy, and vivid dreams early on.
One forum user in his 50s reported after 4-5 months: “Within a week or so I could see my abs clearly. Body composition changes are much easier to attain than test alone. Sleep is greatly improved, energy is up, sense of wellbeing heightened.”
Quality matters with these results though. If you’re using low-purity peptides from a random vendor, you might not get much of anything. Paramount’s 2X Blend is 5mg of each peptide per vial, made in-house and tested by Accumark Labs with a public COA history going back 15 lots. It’s $68.00, and code BRAINFLOW saves 10%.
BrainFlow’s Pick
CJC-1295 No DAC + Ipamorelin 2X Blend | Paramount Peptides
5mg + 5mg per vial · Made In-House in Irvine, CA · Accumark Labs COA · 99%+ HPLC
Paramount has synthesized its own peptides for over 12 years, so both halves of this blend come out of the same California lab. Every lot ships with a third-party COA from Accumark Labs, 15 prior lots are posted on the product page, and if a vial ever fails HPLC at a licensed lab they refund the order plus your $100 testing fee.
$68.00 · Code BRAINFLOW saves 10% · About $61 per vial
Shop the Blend at Paramount →
For laboratory research use only · Made in the USA · Free shipping over $300
Complete Dosing Guide
Standard Doses
Level
Ipamorelin
CJC-1295 no DAC
Frequency
Beginner
100 mcg
100 mcg
1x daily, 5 days/week
Standard
200 mcg
200 mcg
1x daily, 5 days/week
Advanced
300 mcg
300 mcg
1-2x daily, 5 days/week
Most pre-mixed blends come in a 1:1 ratio, which is what you want. If you’re buying them separately, stick to equal amounts of each.
Weight-Based Adjustments
- Under 150 lbs: 100-150 mcg each
- 150-200 lbs: 200 mcg each (standard dose)
- 200-250 lbs: 250-300 mcg each
- Over 250 lbs: 300 mcg each
The Saturation Dose Concept
There’s a concept in peptide dosing called the “saturation dose.” This is the amount needed to fully occupy all available receptors, around 1 mcg per kg of bodyweight, or roughly 100 mcg for most people.
Going higher has diminishing returns. At 100 mcg (1x saturation) you get 100% receptor saturation. At 200 mcg you only get about 27% additional benefit. At 300 mcg, only about 12% more beyond that. Doubling your dose doesn’t double your results. You hit a wall fast, which is why most protocols recommend using the saturation dose more frequently rather than pushing single doses higher.
When to Inject
Best option: Before bed (30-60 minutes prior). This aligns with your body’s natural GH peak during deep sleep. Your largest natural GH pulse happens around 1:00 AM during Stage 3/4 sleep. Injecting before bed amplifies that and works with the slow-wave sleep effects.
Second option: Morning, fasted. If you’re focused on fat loss, a fasted morning injection before cardio can increase fatty acid mobilization. GH promotes fat oxidation, and this timing takes advantage of that.
For 2x daily protocols: Morning (fasted) + before bed. Space them at least 6-8 hours apart.
Fasting Requirements (Don’t Skip This)
A lot of people mess up the fasting part and wonder why the peptides don’t seem to work. You need to inject in a fasted state for full effect. That means at least 2 to 3 hours after your last meal, and waiting 30 to 60 minutes after injection before eating. Avoid carbs and high-fat foods around injection time.
Glucose and insulin blunt GH release directly. A carb-heavy meal on either side of the injection can flatten the pulse you’re trying to create.
Cycling
Most protocols follow a 5-on, 2-off weekly pattern (Monday through Friday, weekends off). This helps prevent receptor desensitization and keeps natural GH pulsatility intact.
For cycle length: 8 weeks on with 4 weeks off is conservative, 12 weeks on with 4 weeks off is standard, and 16 weeks on with 4-8 weeks off is the extended approach.
You don’t need PCT (Post Cycle Therapy). Unlike anabolic steroids, this combination doesn’t suppress your natural hormone production. It nudges a system that’s already running.
Side Effects and Safety
Most side effects are mild and clear up within the first week or two. The common ones: injection site reactions (pain, redness, swelling), temporary flushing or warmth, headaches early on, mild water retention or puffiness, some fatigue initially, and occasional tingling. Rotate injection sites and give your body a week or two to adjust.
Ipamorelin’s Clean Side Effect Profile
The claim that ipamorelin doesn’t raise cortisol or prolactin is backed up by the research. From the Raun et al. study: ipamorelin did not release ACTH or cortisol at levels significantly different from GHRH alone, even at doses more than 200 times higher than needed for GH release.
Peptide
GH Release
Cortisol
Prolactin
Hunger
Ipamorelin
Strong
None
None
Minimal
GHRP-6
Strong
Moderate increase
Moderate increase
Extreme
GHRP-2
Strongest
Moderate increase
Moderate increase
Moderate
Hexarelin
Very strong
Significant increase
Significant increase
Moderate
This is why ipamorelin is the GHRP most people pick. Strong GH release without the hormonal side effects or the ravenous hunger GHRP-6 is known for.
Who Should NOT Use This Combination
⚠️ Contraindications
Absolute: Active cancer or cancer history (elevated IGF-1 could accelerate existing tumors), pregnancy/breastfeeding (effects on fetal development unknown).
Use with caution: Diabetes (GH can worsen insulin sensitivity), cardiovascular disease (fluid retention may stress the heart), pituitary tumors or disorders.
Long-Term Safety
Most clinical trials on these peptides ran for 28 to 49 days. Long-term human safety data is limited. No serious adverse reactions were reported in the short-term trials, which is reassuring.
Theoretical concerns remain about prolonged GH/IGF-1 elevation and cancer risk, cumulative effects on insulin sensitivity, and receptor desensitization over time. The 5-on/2-off protocol and cycling approach help with some of those. Anyone using these peptides long-term should know the safety data doesn’t extend much beyond a few months.
Practical Guide: Reconstitution, Injection, Storage
Reconstitution
If you’re buying lyophilized (freeze-dried) powder, you’ll need to reconstitute it with bacteriostatic water (BAC water). Do NOT use regular sterile water or tap water.
For the standard 10mg blend vial (5mg + 5mg), 2 mL of BAC water gives you 5 mg/mL, which is 500 mcg of total blend per 0.1 mL, or 250 mcg of each peptide per “10 units” on an insulin syringe. That lands right on the standard dose with one easy draw. A 5mg blend vial with 2 mL gives 2.5 mg/mL, so 10 units is 125 mcg of each.
Proper technique: Let the vial reach room temperature first. Wipe the stopper with an alcohol swab. Draw BAC water into your syringe. Inject slowly down the inside wall of the vial (do NOT spray directly onto the powder). Gently swirl or roll the vial. DO NOT SHAKE. Shaking can damage the peptide structure. Wait until fully dissolved, then label with the reconstitution date.
Storage
Before reconstitution (powder form): Ideal is frozen at -20°C for long-term storage (can last 1-2+ years). Refrigerated at 2-8°C is also fine. Keep away from light, heat, and moisture.
After reconstitution (liquid form): Must be refrigerated at 2-8°C. Protect from light. Do NOT freeze reconstituted solution. Use within 28-30 days.
Injection Technique
Route: Subcutaneous (SubQ). No reason to inject intramuscularly. NEVER inject intravenously (deaths have occurred from IV peptide injection).
Sites: Abdomen (most common, at least 2 inches from navel), thighs, or upper arms. Rotate sites to prevent irritation.
Equipment: Insulin syringes, 29-31 gauge, 0.5-1 inch length.
Steps: Clean the vial stopper and injection site with alcohol. Draw air equal to your dose, inject into vial, invert vial, draw medication. Tap syringe to remove air bubbles. Pinch a fold of skin, insert needle at 45-90 degrees. Inject slowly, wait a few seconds before withdrawing. Use a new needle every time.
Quality matters here. I’ve had readers email me about peptides that didn’t dissolve properly or caused more injection site irritation than they should. A blend made in one lab from peptides that lab synthesized itself has fewer places for that to go wrong than a reseller mixing two sourced powders. Paramount’s blend has been clean on reconstitution in my experience, and code BRAINFLOW takes 10% off.
Pre-Mixed Blend vs. Buying Separately
For most people, the pre-mixed blend is the way to go. One vial, one injection, simpler dosing with less room for error, and usually cheaper per dose. The downside is you can’t adjust the ratio, and you can’t isolate which peptide is causing a side effect if one shows up. The 1:1 ratio works for the majority of users, so separate vials are only worth it if you specifically need that flexibility.
If you do, Paramount sells a 10mg CJC-1295 + 10mg ipamorelin duo as two separate vials for $120.11.
Comparison to HGH, MK-677, and Other Options
There are several ways to boost growth hormone. This is how the combination stacks up against the others.
Option
Route
FDA Approved
Key Trait
Ipamorelin + CJC-1295 no DAC
Injection
No
Pulsatile, clean side effect profile
MK-677 (Ibutamoren)
Oral
No
Convenient but extreme hunger
Recombinant HGH
Injection
Yes
Most potent, expensive, more side effects
Sermorelin
Injection
Withdrawn 2008
Original GHRH analog, less stable
Tesamorelin
Injection
Yes
Only FDA-approved (HIV lipodystrophy)
CJC-1295 with DAC
Injection
No
Weekly dosing but less natural GH pattern
vs. Recombinant HGH: HGH is the most direct approach. You’re injecting the hormone itself rather than stimulating your body to produce more. More potent, more predictable. It also costs $80 to $120+ per week versus $10 to $15 per week for peptides, it suppresses your natural production, and it carries a higher risk of water retention, joint pain, and carpal tunnel.
Peptides keep the normal pulsatile pattern. More modest results, more modest risks and costs.
vs. MK-677: MK-677’s biggest advantage is that it’s oral. No injections. It also has a 24-hour half-life, so once-daily dosing works. The major downside: hunger. Users describe it as extreme and something that can wreck a cut. Ipamorelin has minimal appetite effects by comparison, making it far easier to use during a calorie deficit. MK-677 also tends to cause more water retention and can affect blood glucose more than this blend.
vs. Sermorelin: Sermorelin was the original synthetic GHRH and was FDA-approved until it was withdrawn in 2008 for business reasons. CJC-1295 no DAC is an improved version with better bioavailability and more resistance to enzymatic breakdown. If you can get sermorelin through a doctor, it’s a legitimate option. Mod GRF 1-29 is more commonly available and more stable.
vs. Tesamorelin: The only GHRH analog with full FDA approval, for HIV-associated lipodystrophy. It has the best human fat-loss data of the group, specifically visceral fat, but it’s more expensive per dose and most people stack it with ipamorelin anyway. Paramount sells that pairing too. If belly fat is the whole goal, read the tesamorelin guide below before deciding.
What to Expect: Week-by-Week Timeline
Week 1-2: Improved sleep quality is usually the first thing people pick up on. Vivid dreams are common. You might notice some water retention or mild headaches as your body adjusts. Those pass.
Week 2-4: Better recovery between workouts. More energy and a general sense of feeling “on.” Sleep benefits continue. Early side effects are gone by now for most people.
Week 4-8: Body composition changes start becoming visible if your diet and training are dialed in. Skin quality improvements. Fat loss becoming noticeable. Better workout performance and endurance.
Week 8-12+: Cumulative benefits keep building. Peak effects land around 3 to 6 months of consistent use. Body composition changes become more pronounced.
You still need proper diet and training to see body composition changes. What the peptides do is make your efforts pay off more and your recovery go faster. And make sure you’re using quality product. I use Paramount for this blend, and so do a lot of BrainFlow readers. Code BRAINFLOW for 10% off.
Where to Buy Ipamorelin CJC-1295 Blend
Product quality matters a lot with peptides, and blends are where it matters most. Two peptides in one vial means two chances for a reseller to get the chemistry wrong before it ever reaches a lab. I’ve tried multiple sources over the years, and the one I keep coming back to is the one that made both peptides itself.
Paramount Peptides is my go-to. Their 2X Blend CJC-1295 No DAC (5mg) / Ipamorelin (5mg) is the exact 1:1 ratio you want in one 10mg vial. Paramount has been synthesizing peptides in-house in Irvine, California for over 12 years, so the CJC-1295 and the ipamorelin in that vial were purified and QC’d under the same roof they were blended in.
It’s $68.00, and code BRAINFLOW takes 10% off, about $61. One vial lasts roughly five weeks at the standard dose (200mcg each per day, five days a week).
Why I keep going back to them:
- Made In-House in the USA: 12+ years of in-house synthesis in Southern California. Most vendors in this space are relabeling imported powder. Paramount runs an actual production lab, and both peptides in this blend came out of it.
- Accumark Labs COA on Every Lot: 99%+ by HPLC, lot-specific, with the current report and 15 prior lots posted on the product page. No login, no email request. The latest lot was analyzed in August 2026.
- Purity Refund Guarantee: If a vial fails an HPLC test at any licensed lab, they refund the order and reimburse your $100 testing fee. Nobody else I’ve used puts money behind their COA like that.
- $68.00, Code BRAINFLOW Saves 10%: About $61 per vial. Volume pricing drops it to $64.60 each at 5 to 9 vials and $61.37 at 10 or more, and the code stacks on top.
- Card Checkout That Works, Deep Stock: Prices visible without an account, standard card processing, and over 2,400 vials of the blend in stock at the time of this update. Phone and email support six days a week.
- Separate Vials If You Want Them: The 10mg + 10mg bundle duo ($120.11) gives you each peptide on its own for ratio control, and the tesamorelin + ipamorelin blends are on the same shelf.
- Free Shipping Over $300: Processing runs about 48 hours, so order ahead of when you plan to start.
BrainFlow’s #1 Pick
CJC-1295 No DAC + Ipamorelin 2X Blend | Paramount Peptides
5mg + 5mg per vial · Made In-House in Irvine, CA · Accumark Labs COA · Purity Refund Guarantee
Both peptides synthesized in Paramount’s own California lab, every lot tested by Accumark Labs with 15 prior lots posted, and a refund plus your $100 testing fee if a vial ever fails HPLC. Standard card checkout, over 2,400 vials in stock, and separate 10mg vials available if you want to control the ratio yourself.
Use code BRAINFLOW for 10% off → about $61 per vial
Shop the Blend at Paramount Peptides →
For laboratory research use only · Made in the USA · Free shipping over $300
Budget Alternative: Everest Peptides
If price is the whole decision, Everest Peptides carries the same 5mg + 5mg blend for less. It’s $69.99 list, on sale right now for $48.99, and code BRAINFLOW takes 15% off that to about $41.64.
The current lot was tested by Freedom Diagnostics seven ways: identity on both peptides by LC-MS, 99.67% purity by HPLC, net content on each peptide, endotoxins, heavy metals, microbial screening, and additional safety screens. The COA is on the product page.
The catch is checkout. Everest isn’t taking cards at the moment. Orders go through Zelle or Pay by Bank, and both carry a discount, another 10% off for Zelle (about $37.48) or 5% for Pay by Bank.
Orders before 3 PM ET ship the same day, Saturdays included, with free 2-Day Air over $250 and a 4.9-star Excellent rating on Trustpilot. If paying by Zelle or bank transfer is fine with you, that’s the cheapest tested blend on the market. If you want a card checkout, Paramount.
What to Look For in Any Peptide Source
If you go with a different vendor, check for a COA from HPLC testing (ideally with a batch history, not a single old report), HPLC purity of 98% or higher, mass spectrometry confirming the correct molecular identity, endotoxin testing below 0.25 EU/mL, and batch-specific testing that matches your vial’s lot number. For a blend specifically, look for identity confirmed on both peptides, not one.
Red flags are no COA at all, purity below 95%, prices way below market, cryptocurrency-only payment, no verifiable reviews, and Gmail addresses instead of a company email domain.
Legal and Regulatory Status
USA: These peptides are NOT FDA-approved for human use, bodybuilding, or anti-aging. They’re available as “research chemicals” for laboratory use only. Doctors can prescribe them off-label through compounding pharmacies, but the regulatory picture has been a moving target.
The timeline matters here. In September 2023 the FDA put both peptides on Category 2, the “do not compound” list. On September 27, 2024, they came off Category 2 after the nominators withdrew their nominations, and the Pharmacy Compounding Advisory Committee reviewed ipamorelin that October and CJC-1295 that December with FDA staff recommending against both. For a while compounding access looked closed for good.
That reversed in 2026, at least in direction. On February 27, 2026, HHS Secretary Robert F. Kennedy Jr. said roughly 14 of the 19 restricted peptides were expected to move back to Category 1, and ipamorelin and CJC-1295 were on most analysts’ lists of likely candidates.
Then came the July 23 and 24, 2026 PCAC meeting, which is the one everyone was waiting on. It voted on seven peptides. BPC-157, TB-500, KPV, MOTS-c, Semax, and Epitalon passed; DSIP didn’t. Ipamorelin and CJC-1295 were not on that agenda, and as of this update they aren’t on the February 2027 agenda either, which covers injectable GHK-Cu and Melanotan II among others.
So where that leaves these two in October 2026: no formal Category 1 listing yet, no scheduled committee date, and a favorable political signal that hasn’t turned into paperwork. Even when it does, reclassification to Category 1 is not FDA drug approval, and over-the-counter access isn’t on the table either way.
In the meantime, research peptide vendors still carry both for laboratory use. Gray market research peptides aren’t legal for human consumption.
Sports: Both ipamorelin and CJC-1295 are prohibited at all times under WADA rules (S2: Peptide Hormones, Growth Factors). If you compete in tested events, these are off-limits.
Frequently Asked Questions
What is CJC-1295 Ipamorelin?
A combination of two peptides that work together to stimulate natural growth hormone production. Ipamorelin triggers GH release through the ghrelin receptor while CJC-1295 (Mod GRF 1-29) stimulates GH production through the GHRH receptor. Together they produce 2-3x more GH than either alone.
What is the difference between CJC-1295 with DAC and without DAC?
The version with DAC (Drug Affinity Complex) has a half-life of 5-8 days and creates sustained GH elevation. The version without DAC (also called Mod GRF 1-29) has a half-life of about 30 minutes and creates pulsatile GH release that mimics your body’s natural rhythm. The no-DAC version is preferred for this stack because it’s more physiological.
Is Mod GRF 1-29 the same as CJC-1295 no DAC?
Yes. Mod GRF 1-29, Modified GRF (1-29), and CJC-1295 without DAC all refer to the same 29-amino acid GHRH analog with four amino acid modifications for stability. The different names cause confusion but it’s all the same peptide.
How do you take CJC-1295 Ipamorelin?
Subcutaneous injection, once daily before bed or twice daily (morning and evening). Inject on an empty stomach (at least 2-3 hours after eating) and wait 30-60 minutes before eating afterward. Most protocols use 5 days on, 2 days off.
What time is best to inject CJC-1295 Ipamorelin?
Before bed (30-60 minutes prior) is the most common recommendation. This lines up with your body’s natural GH peak during deep sleep. For fat loss focus, fasted morning injection before cardio is another option. For 2x daily protocols, morning and before bed with at least 6-8 hours between doses.
What are the side effects of CJC-1295 Ipamorelin?
Common side effects include injection site reactions, flushing, headaches, water retention, and occasional fatigue. Most are mild and resolve within 1-2 weeks. Ipamorelin is notable for NOT increasing cortisol, prolactin, or causing significant hunger, unlike other GH peptides like GHRP-6.
How long does it take for CJC-1295 Ipamorelin to work?
Sleep improvements often show up within the first week. Better recovery and energy follow in weeks 2 to 4. Visible body composition changes usually begin around weeks 4-8 with proper diet and training. Peak effects are reached at 3-6 months of consistent use.
Is CJC-1295 Ipamorelin FDA approved?
No. Neither peptide is FDA-approved for human use. Both came off the FDA’s Category 2 list in September 2024, a February 2026 HHS announcement signaled they’re expected to return to Category 1, and the July 2026 advisory committee meeting reviewed seven other peptides without reaching these two. As of October 2026 there’s no formal Category 1 listing and no scheduled review date.
Tesamorelin remains the only GHRH analog with full FDA approval, and only for HIV-associated lipodystrophy.
Can women use CJC-1295 Ipamorelin?
Yes. Dosing is the same or slightly lower than for men. One consideration: research suggests GHRH may improve sleep in men but could make it worse in some women. If sleep quality drops instead of improving, this could be why. Otherwise, the combination works similarly for both sexes.
Do you need to cycle CJC-1295 Ipamorelin?
Yes, cycling is recommended to prevent receptor desensitization. Most protocols use 5 days on, 2 days off weekly. For longer cycles: 8-12 weeks on, 4 weeks off is standard. You don’t need PCT since these peptides don’t suppress natural hormone production.
How much does ipamorelin CJC-1295 cost?
A pre-mixed 5mg + 5mg blend vial runs about $40 to $70 from the vendors worth using. Paramount’s 2X Blend is $68.00, about $61 with code BRAINFLOW. Everest’s is $48.99 on sale, about $42 with the code, Zelle or Pay by Bank only right now. At standard dosing (200mcg each per day, 5 days a week) one vial lasts roughly five weeks, which works out to around $12 a week at Paramount. Recombinant HGH runs $80 to $120+ per week.
Where can I buy ipamorelin CJC-1295?
BrainFlow points readers to Paramount Peptides’ 2X Blend first. Both peptides are synthesized in-house in Irvine, California, every lot is tested by Accumark Labs with the COA posted on the product page, and a purity refund guarantee backs it. Code BRAINFLOW saves 10%.
If budget is the whole decision and Zelle or bank transfer works for you, Everest Peptides has the same blend, tested seven ways by Freedom Diagnostics, for about $42 with the code.
The Bottom Line
Ipamorelin + CJC-1295 (no DAC) is the go-to GH secretagogue stack for good reason. It boosts growth hormone through dual receptor pathways, has the cleanest side effect profile of any GHRP option, and works with your body’s natural pulsatile rhythm rather than against it.
The strongest benefits are improved sleep quality, better recovery, and gradual body composition improvements over 3-6 months. The research on direct fat loss and muscle gain outcomes is less definitive, but the mechanism is sound and user reports are consistently positive.
Diet and training still do the heavy lifting. The peptides make that work pay off more. Set realistic expectations, commit to at least three months, and buy from a vendor with real, verifiable testing.
For the blend, I recommend Paramount Peptides. Both peptides synthesized in their own California lab, an Accumark Labs COA on every lot with 15 prior lots posted, a purity refund guarantee, and a card checkout that works. It’s $68.00, and code BRAINFLOW takes 10% off, about $61 a vial. If you’d rather pay less and can use Zelle or Pay by Bank, Everest’s $48.99 sale with the same code lands around $42.
References
- Raun K, et al. Ipamorelin, the first selective growth hormone secretagogue. Eur J Endocrinol. 1998. PMID: 9849822
- Bowers CY, et al. On the actions of the growth hormone-releasing hexapeptide, GHRP. J Clin Endocrinol Metab. 1990. PMID: 2116446
- Veldhuis JD, et al. Determinants of GHRH-GHRP synergy in men. Am J Physiol. 2009. PMID: 19567527
- Teichman SL, et al. Prolonged stimulation of growth hormone and insulin-like growth factor I secretion by CJC-1295. J Clin Endocrinol Metab. 2006. PMID: 16352683
- Marshall L, et al. Growth hormone-releasing hormone increases sleep and REM sleep in healthy young men. Neuroendocrinology. 1996. PMID: 8675573
- Yoo JC, et al. Effect of recombinant human growth hormone on rotator cuff healing after arthroscopic repair. J Shoulder Elbow Surg. 2018. Trial summary
- Doessing S, et al. Growth hormone stimulates the collagen synthesis in human tendon and skeletal muscle without affecting myofibrillar protein synthesis. J Physiol. 2010. PMID: 19933753
- Raschke M, et al. Growth hormone in tibial fracture healing. NCT00254514
Medical Disclaimer
This article is for informational purposes only and is not medical advice. Ipamorelin and CJC-1295 are not FDA-approved for human use, bodybuilding, anti-aging, or performance enhancement. They are prohibited in competitive sports under WADA rules. The information here is based on preclinical research, limited clinical trials, and user reports. Long-term safety data is limited. Consult a healthcare provider before using any peptide. Results vary between individuals. Do not use if you have a history of cancer, are pregnant, or have other contraindicated conditions.
Ipamorelin and CJC-1295 are sold as research compounds for laboratory use only. Amounts described come from published research and community reports as context, not as instructions.
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Last updated October 2026.