Kisspeptin-10
Reviewed
Short answer
Kisspeptin-10 is a 10-amino-acid piece of a body signal. Researchers have studied its effects on reproductive hormones. It is not an FDA-approved treatment.
The Peptide Field explains research. Its pages are not independently medically reviewed, and they do not diagnose, prescribe, or recommend treatment.
Read the study findingsAlso known as KP-10 · KP10 · Kisspeptin 112-121 · Metastin 45-54 · Human metastin 45-54
Legal status Is Kisspeptin-10 legal? See the status table
Study and product details
What it is
Kisspeptin-10 is a short piece of a natural body signal called kisspeptin. This signal helps control hormones involved in puberty and reproduction. Kisspeptin-10 has 10 amino acids, the small building blocks that make peptides. It is not the same molecule as Kisspeptin-54. Results for Kisspeptin-54 do not automatically apply to Kisspeptin-10.
Type of peptide: Reproductive signaling peptide. This describes what the substance is or how it works. It does not show that it is safe, effective, or approved.
What has been studied?
- Limited: Research is too small or incomplete, or does not directly answer this question.
- Moderate: Useful evidence exists, but important limits remain.
Small studies measured short-term hormone changes. They did not show better fertility, pregnancy, or lasting treatment results.
Studies in people measured how Kisspeptin-10 changed reproductive hormones during short research periods.
The studies were small and brief. They cannot show uncommon harms or long-term safety.
Study material was controlled. The identity and quality of products sold outside those studies are not established.
Products with the same ingredient can differ.
The ingredient name does not tell you everything about a product. Check its other ingredients, its form, how it enters the body, and the use and people covered by the research or approval.
None identified in the United States.
- Research on reproductive hormone signaling
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What studies found
Small human studies measured short-term hormone changes. A 2026 study included 15 healthy men. It found changes in luteinizing hormone (LH), follicle-stimulating hormone (FSH), and testosterone during controlled research. LH and FSH are body signals involved in reproduction. The study measured hormone activity, not a health benefit.
These studies do not show that Kisspeptin-10 improves fertility, causes pregnancy, treats low testosterone, increases muscle, lowers body fat, or improves libido. They do not establish long-term safety. Results from animals, Kisspeptin-54, or other kisspeptin drugs cannot fill these gaps.
Which products do these findings apply to?
Kisspeptin-10 has an FDA identity record, but that record is not an approval. FDA lists the substance in Category 2 for compounding. This category covers substances that may present significant safety risks. A product sold under the same name is not proven to match the material used in a study.
Kisspeptin-10 side effects and safety: what FDA has said
This page has no trial or drug-label side-effect table for Kisspeptin-10. FDA keeps a page of bulk substances that may be risky when a pharmacy mixes (compounds) them. Here is what that page says about Kisspeptin-10, in plain words.
FDA's page does not name specific side effects for Kisspeptin-10.
- FDA has little or no safety information for the ways it was proposed to be given. It says it cannot tell whether kisspeptin-10 would harm people.
- The body's immune system may react against it. FDA says this risk depends on how it is given.
- Making it may leave unwanted peptide by-products in the product.
- It may be hard to confirm exactly what the main ingredient is.
These points come from FDA's review of compounded drugs. They are not a full list of side effects. Having no reports does not mean a product is safe.
Read FDA's exact words
Kisspeptin-10: “Compounded drugs containing Kisspeptin-10 may pose risk for immunogenicity for certain routes of administration and may have complexities with regard to peptide-related impurities and API characterization. FDA has no, or only limited, safety-related information for the proposed routes of administration. Therefore, the agency lacks sufficient information to know whether the drug would cause harm when administered to humans.”
Source: FDA, Certain bulk drug substances for use in compounding that may present significant safety risks , page dated .
Compare side-effect data across peptides
Report a side effect
You can report a suspected side effect to the FDA at 1-800-FDA-1088 or through FDA MedWatch . If a reaction feels serious, get medical care first.
FDA page checked .
Fact checks
4 statements checked. Read what the results mean.
“Kisspeptin-10 raises reproductive hormones in humans.”
Small studies measured increases in reproductive hormones. Some also found short-term testosterone changes. These measurements do not prove a treatment benefit.
- What this answer is based on
- Studies of body changes in people
- Limits of this answer
- Small, short studies in healthy men. The studies measured hormones, not fertility or treatment success.
Sources for this fact check (2)
“Kisspeptin-10 treats infertility, low testosterone, or hypogonadism.”
Human studies mainly measured short-term hormone responses. FDA found too little evidence to judge whether Kisspeptin-10 treats secondary hypogonadism.
- What this answer is based on
- No reliable studies showing this health result in people
- Limits of this answer
- Treatment outcomes for infertility, low testosterone, or hypogonadism. Hypogonadism means that the sex glands do not make enough hormones.
Sources for this fact check (1)
“Kisspeptin-10 is FDA-approved.”
No FDA-approved product was identified. An FDA identity record does not mean approval. FDA also lists Kisspeptin-10 among substances that may present significant safety risks in compounding.
- What this answer is based on
- Official record or product label
- Limits of this answer
- United States status as reviewed August 30, 2026.
Sources for this fact check (3)
Show 1 more fact check
“Kisspeptin-10 is allowed in sport.”
For covered male athletes, the 2026 WADA list prohibits kisspeptin and its agonist analogues at all times.
- What this answer is based on
- Official record or product label
- Limits of this answer
- The 2026 WADA rules for covered male athletes. Athletes must check the current rules that apply to them.
Sources for this fact check (1)
Questions people ask about Kisspeptin-10
FDA's page on risky compounding substances says this about Kisspeptin-10. It does not name specific side effects for Kisspeptin-10. FDA has little or no safety information for the ways it was proposed to be given. It says it cannot tell whether kisspeptin-10 would harm people. The body's immune system may react against it. FDA says this risk depends on how it is given. Making it may leave unwanted peptide by-products in the product. It may be hard to confirm exactly what the main ingredient is. These points come from FDA's review of compounded drugs. They are not a full list of side effects.
Risks and safety limits
FDA reports limited safety information for proposed injection routes and flags possible immune reactions, impurities, and product-quality problems. Small, short studies cannot show uncommon or long-term harms. This guide gives no dosing, injection, sourcing, or treatment instructions.
For covered male athletes, the 2026 WADA list prohibits kisspeptin and its agonist analogues at all times. This page is not personal clearance to compete.
Reviewed .Check the rules for athletes ↗Read the official rules ↗Terms used in the studies
- peptide
- a short chain of amino acids
- agonist
- a substance that activates a receptor
- analog
- a changed version made to act like another substance
- human pharmacology
- a study of how a substance changes the body in people
- mechanism
- how a substance may cause a body change
- biomarker
- a body or lab measurement, not automatically a health benefit
- outcome
- what the study measured
- route
- how the product enters the body
Read the sources
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Review history
Initial brief reviewed FDA identity and compounding records, small human hormone studies, and the 2026 World Anti-Doping Agency list.
Not independently medically reviewed. This page is not a dosing, sourcing, or treatment guide.
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