Kisspeptin-10 is the minimally active 10-amino-acid fragment of kisspeptin, encoded by the KISS1 gene, and an endogenous agonist of the GPR54 (KISS1R) receptor. In the hypothalamus, neurons secreting kisspeptin are the primary "gatekeeper" regulator of the hypothalamic-pituitary-gonadal (HPG) axis: without their signal, pulsatile GnRH secretion is impossible, and therefore normal LH, FSH, and sex hormone production cannot occur. Kisspeptin-10 binds KISS1R on GnRH neurons and, with equal efficacy compared to the longer form (Kisspeptin-54), initiates this pulse.
In clinical studies, bolus intravenous administration of Kisspeptin-10 in men caused a rapid and pronounced LH release within 30–60 minutes. With continuous infusion, LH pulse frequency and amplitude increased, and testosterone levels rose significantly — the effect is fully realized through the endogenous axis, without direct action on the testes. In a separate study in men with type 2 diabetes and hypogonadotropic hypogonadism, Kisspeptin-10 administration also increased LH and testosterone secretion, confirming potential in neuroendocrine reproductive disorders. The reproductive axis retains sensitivity to this signal even in a suppressed state.
An important feature of the mechanism: testosterone elevation achieved under kisspeptin action partially activates negative feedback via androgens at the hypothalamic level, limiting further increase. This makes the molecule "physiologically controlled" — excessive release does not occur, which fundamentally distinguishes it from exogenous testosterone or hCG. Use is justified in conditions with disrupted GnRH pulsatility, hypogonadotropic hypogonadism, and in the context of sexual function support via the central neuroendocrine axis.
⚡ LH and testosterone stimulation (clinical): ★★★★☆
🔄 HPG axis (physiological pulse restoration): ★★★★★
❤️ Sexual function and libido (neuroendocrine pathway): ★★★☆☆
✅ Safety: ★★★★☆ (physiologically controlled mechanism; does not cause systemic axis suppression)
⚠️ Possible sensations and side effects: transient flushing possible with administration; individual variation
🤝 Combinations (goal → stack)
❤️ Libido + central axis → Kisspeptin-10 + PT-141
⚡ Testosterone + comprehensive support → Kisspeptin-10 + Libido Boost Max
🔄 HPG axis + recovery → Kisspeptin-10 + Epitalon
| CAS Number | 374675-21-5 |
| Batch Purity | 99.03 % |
Full information in our guide
https://peptideboost.club/guide/kisspeptin-10
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