Product Overview
Sermorelin is the first 29 amino acids of growth hormone releasing hormone, a fragment rather than a copy of the whole hormone. It tells the pituitary to release its own growth hormone in the natural pulse pattern, which is why it belongs to the GHRH side of peptide research and pairs so often with a ghrelin-side partner.
Generic Peptides lists it as 2 mg, 5 mg and 10 mg lyophilised vials, labelled Sermoreline on the pack. The pharmacy story is worth knowing: an injectable version existed as Geref, used for diagnosis and for growth hormone deficiency, and it was discontinued. Everything on sale now, including these vials, is research material. CJC-1295 DAC is a modified GHRH analogue built to solve the same problem this peptide suffers from.
That problem is duration. The parent molecule GHRH(1-29)-amide showed a 6.2 minute half-life in an intravenous rat study, and vendor descriptions put it at 10 to 20 minutes in general use; a settled human figure does not exist in the sources. Growth hormone release therefore arrives as a brief impulse and vanishes, so a single injection cannot cover a day. Rival ghrelin-side compounds such as Ipamorelin need several shots a day for the same reason.
Dosage Protocol
No human dose is confirmed. The amounts below come from vendor grading, and the sources checked describe no female protocol at all.
| Item | Figure | Basis |
| Base research amount | Vendor-defined starting figure | Not a clinical dose |
| Higher band | 400-500 mcg daily | Vendor gradation only |
| Frequency | Every day, usually before sleep | Very short activity makes one shot insufficient |
| Block length | 12-16 weeks, then 4-6 weeks off | Vendor protocol |
| Female | No confirmed protocol | Nothing found in the sources checked |
Mixing follows the usual rule: bacteriostatic water added down the side of the vial, never shaken. One millilitre in the 5 mg vial gives 5 mg per millilitre, and two millilitres gives 2.5 mg per millilitre, so the same vial can be set up strong or gentle depending on the volume a user finds easiest to measure. The 2 mg vial at 1 ml and the 10 mg vial at 4 ml both land on the 2.5 mg per millilitre of the middle option, which makes any of the three usable at a familiar strength.
Suggested Protocols
GHRH and ghrelin peptides are treated as two halves of one release, since the receptors are distinct and the combined result exceeds either alone. The pairing below reflects that research logic.
Other shelf entries serve as context: GHRP-6 for the appetite-heavy ghrelin option, Hexarelin for the strongest and fastest-fading of that group, and Somatropin for supplied hormone rather than a signal. Switching to a long-acting partner changes the rhythm of the whole protocol, so the pairing should be decided before the block starts.
What to Expect
- Sleep and recovery are noticed early. Reports of better rest arrive in the first weeks, months before body composition shifts.
- Each shot is a pulse. Growth hormone answers quickly and the signal disappears, which is why injections are daily.
- Physical change takes the full block. Composition effects accumulate across the 12 to 16 weeks vendors describe.
- The human half-life is unknown. Six minutes came from rats, 10 to 20 minutes from vendor text, and no settled human figure exists.
- The human dose is unconfirmed. Amounts circulating for sport are vendor figures, not reviewed clinical data.
- Class effects include fluid. Oedema, joint discomfort and injection site reactions are described for growth hormone peptides generally.
- The rules are clear. GHRH and its analogues sit in class S2, with sermorelin named directly.
Side Effects and Management
There is little to manage beyond the ordinary reactions of injected growth hormone peptides, and almost nothing reported as specific to this fragment.
Post-Cycle Therapy and Between-Block Breaks
A SERM-based protocol has no function here, because nothing in this peptide suppresses the gonadal axis. Instead, the block itself has an end, and the gap after it is the part worth planning.
Store the powder cold and protected from light, and refrigerate the mixed solution without ever freezing it. The exact post-mix lifespan of these vials has not been verified by the vendor.