CJC-1295 and Ipamorelin are the two peptides most associated with supporting your body’s own growth hormone. They are popular for sleep, recovery and body composition, but they are widely misunderstood, especially versus synthetic HGH. This guide explains what each one is, how they differ, how they are used together, the honest state of the evidence, the anti-doping rules, and how to start on a doctor-led programme in South Africa.
Everything here was reviewed by Dr Chris van Zyl (registered as M.C. van Zyl, HPCSA MP0287067), who is licensed to both prescribe and dispense medicines under a Section 22C dispensing licence. Growth hormone peptides are dispensed on a valid script after a medical questionnaire, with a consultation arranged when your screening calls for one.
What is CJC-1295?
CJC-1295 is a synthetic analogue of growth hormone releasing hormone (GHRH), the natural signal that tells your pituitary gland to release growth hormone. By mimicking that signal, it is used to extend and increase your body’s own growth hormone release rather than replacing it. It comes in two forms: with DAC, which lasts longer in the body, and without DAC (also called Mod GRF 1-29), which acts in a shorter, more pulse-like way.
What is Ipamorelin?
Ipamorelin is a selective growth hormone releasing peptide (GHRP). It mimics ghrelin, a hormone that triggers a pulse of growth hormone from the pituitary. What makes it popular is its selectivity: it prompts that growth hormone pulse with little effect on cortisol (a stress hormone) or appetite, which older growth hormone peptides could not manage as cleanly.
What is the difference between CJC-1295 and Ipamorelin?
They act on the same goal through different doors. CJC-1295 extends the window during which growth hormone is released, while Ipamorelin triggers the pulse of release. One lengthens, the other initiates. Because they work at different points of the pathway, they are complementary rather than interchangeable, which is why they are so often combined.
Why are CJC-1295 and Ipamorelin used together?
Using them together produces a stronger and more natural growth hormone rise than either alone: CJC-1295 opens the release window and Ipamorelin fires the pulse within it. The result more closely resembles your body’s own rhythm than a single peptide would. This synergy is why mobivIVe offers a CJC-1295/Ipamorelin combination pen, and why the combination is the most popular option.
What are the benefits of growth hormone peptides?
The most commonly reported benefits are deeper, more restorative sleep, improved recovery from training, better body composition (supporting lean muscle and fat loss over time), and improvements in skin and joint comfort and general energy. It is honest to say individual responses vary and much of the strongest evidence relates to sleep and recovery, so these are best understood as support for healthy ageing and recovery rather than a guaranteed outcome.
How do growth hormone peptides compare to HGH injections?
This is the key distinction. Synthetic HGH injects growth hormone directly, which overrides your body’s own control and can suppress its natural production. Growth hormone peptides instead stimulate your pituitary to release growth hormone in its natural, pulsed rhythm, keeping your feedback loop intact. Peptides are generally lower cost and are used as support under medical guidance; HGH is a medicine reserved for diagnosed growth hormone deficiency.
When is the best time to take growth hormone peptides?
They are usually taken before bed on an empty stomach. This timing lets the peptide-driven release stack onto your largest natural growth hormone pulse, which happens during deep sleep, and food (especially carbohydrate) close to the dose can blunt the effect. Your doctor will give you the exact protocol and timing that fits your goals.
How long does a cycle run?
Protocols are typically run in cycles of several weeks with planned breaks, rather than continuously, and are reviewed by the doctor along the way. The right length depends on your goal and how you respond. As with all peptides, consistency and sensible lifestyle habits matter more than pushing higher doses.
Are growth hormone peptides safe, and what are the side effects?
In available studies they are generally well tolerated. The most common side effects are temporary flushing or tingling just after injection, mild water retention, and occasional drowsiness, which suits the before-bed timing. A notable point in Ipamorelin’s favour is that it does not meaningfully raise cortisol. The honest caveat is that long-term human safety data is limited, which is why they are dispensed on a script after a doctor reviews your history.
Are CJC-1295 and Ipamorelin allowed in sport?
No, not for competitive athletes. Growth hormone secretagogues, which is what these are, sit on the WADA Prohibited List and are banned at all times under anti-doping rules. Recreational, non-competitive use is a separate matter, but if you compete under any anti-doping code you must not use them and should check with your governing body first.
How do I get CJC-1295 or Ipamorelin in South Africa?
Growth hormone peptides are prescription items, so it starts with a short medical questionnaire that our registered doctor reviews, with a consultation arranged when your screening calls for one. Once a script is issued, your prefilled pen is couriered anywhere in South Africa with clear dosing instructions. Pricing and the full options are on our growth hormone peptides (CJC-1295 and Ipamorelin) page.
How to start, in 3 simple steps
- Message us on WhatsApp. Tell our doctor-led team your goal.
- Medical questionnaire. Complete a short questionnaire, reviewed by our registered doctor. A consultation is arranged when your screening calls for one. If it is safe and suitable, a script is issued.
- Delivered to your door. Your prefilled pen is couriered anywhere in South Africa, with clear dosing instructions.
Medically reviewed by Dr Chris van Zyl This guide was written and reviewed by mobivIVe’s medical team, led by Dr Chris van Zyl, an HPCSA-registered medical doctor (registered as M.C. van Zyl, HPCSA reg. no. MP0287067) who is licensed to both prescribe and dispense medicines under a Section 22C dispensing licence. Last reviewed July 2026. Not intended to diagnose, treat, cure or prevent any disease; individual results vary. Consult your healthcare provider.