Kavain vs PT-141 (Bremelanotide)
Side-by-side comparison of Kavain and PT-141 (Bremelanotide): mechanism, half-life, dose range, safety profile, and vendor pricing.
Price snapshot
Kavain
PT-141 (Bremelanotide)
Kavain
Kavain (kawain) is the principal kavalactone in kava (Piper methysticum) and the main compound behind kava's calming, anxiolytic effect. It positively modulates GABA-A receptors outside the benzodiazepine site and…
No vendor price on file.
Full Kavain profilePT-141 (Bremelanotide)
PT-141 (bremelanotide) is a cyclic 7-amino-acid synthetic melanocortin receptor agonist that acts centrally in the brain — not peripherally on genital tissue — to improve sexual desire, arousal, and responsiveness. It is…
Lowest listed price: $34.99 across 5 listings
Full PT-141 (Bremelanotide) profileSide-by-side comparison
| Attribute | Kavain | PT-141 (Bremelanotide) |
|---|---|---|
| Category | Nootropics | Skin, Hair & Aesthetics |
| Research Stage | Preclinical for isolated kavain (in-vitro and animal mechanistic data). Human randomized controlled trials exist for the parent standardized kava extract, of which kavain is the principal kavalactone; the single molecule itself has not been trialed alone. | FDA Approved |
| Mechanism of Action | Kavain is the most abundant kavalactone in kava (Piper methysticum) and the main driver of the plant's calming activity. It is a research-use-only compound; the mechanisms below come from in-vitro and animal work on isolated kavain plus human trials of the… | Melanocortin Receptor Pharmacology PT-141 is a synthetic cyclic heptapeptide (Ac-Nle-cyclo[Asp-His-DPhe-Arg-Trp-Lys]-OH) that binds the melanocortin receptor family with the following selectivity profile: | Receptor | Primary Location | PT-141 Activity |… |
| Half-Life | Not firmly established for isolated kavain in humans. Kavalactones are lipophilic and rapidly absorbed, with subjective effects generally lasting a few hours. Limited pharmacokinetic data preclude a precise elimination half-life. | ~2.7 hours |
| Typical Dose Range | 50-250 mg | 500–2,000 mcg (0.5–2 mg) per dose |
| Dosing Frequency | 1-2 times daily, as needed; not intended for continuous long-term daily use | As needed, 45 minutes before sexual activity; max once per 24 hours, max 8 doses/month |
| Administration | — | Subcutaneous |
| Side Effects | Commonly mild: GI upset/nausea, headache (more headaches were reported in the kava arm than placebo in a GAD trial [PMID:23635869]), daytime drowsiness, and mild dizziness. With chronic heavy use: 'kava dermopathy', a reversible dry, scaly, yellowed skin rash.… | Very Common (10% of users) - Nausea — By far the most common adverse effect, affecting approximately 40% of users in the RECONNECT trials. Usually mild-to-moderate, begins within 30-60 minutes of injection, resolves within 2-4 hours. Can be mitigated with… |
| Molecular Weight | 230.26 g/mol (C14H14O3; PubChem CID 837). Naturally occurring form is the (+)-enantiomer. | 1025.2 Da |
| Common Vial Sizes | — | 2mg, 10mg |
Price History
5 data points- BM
- Half Nattys
- Ion Peptide
- BHG Labs
Kavain: potential benefits
- Reduced anxiety and nervous tension - the parent standardized kava extract (of which kavain is the principal kavalactone) produced a moderate anxiolytic effect versus placebo in generalized anxiety disorder RCTs [PMID:23635869][PMID:19430766]
- Physical and mental relaxation without the heavy sedation or dependence profile of benzodiazepines, since kavain modulates GABA-A outside the benzodiazepine site [PMID:27332705]
- Calming and sleep-onset support, reported anecdotally with evening kava/kavain use (isolated-kavain benefit is extrapolated from extract data plus community use, not directly trialed)
- Mild muscle relaxation and a soothing analgesic feel, consistent with kavain's effects on voltage-gated Na+ and L-type Ca2+ channels [PMID:9690349][PMID:11642654]
- Sociable, clear-headed calm frequently described in traditional and community use of kava beverages
PT-141 (Bremelanotide): potential benefits
- Sexual desire enhancement
- HSDD treatment
- Erectile dysfunction (central mechanism)
- Non-hormonal approach
Frequently asked
What's the difference between Kavain and PT-141 (Bremelanotide)?
Kavain is a nootropics that kavain is the most abundant kavalactone in kava (piper methysticum) and the main driver of the plant's calming activity. it is a research-use-only compound; the mechanisms below…. PT-141 (Bremelanotide) is a skin, hair & aesthetics that melanocortin receptor pharmacology pt-141 is a synthetic cyclic heptapeptide (ac-nle-cyclo[asp-his-dphe-arg-trp-lys]-oh) that binds the melanocortin receptor family with the…. The two differ in mechanism, half-life (Not firmly established for isolated kavain in humans. Kavalactones are lipophilic and rapidly absorbed, with subjective effects generally lasting a few hours. Limited pharmacokinetic data preclude a precise elimination half-life. vs ~2.7 hours), and typical dose range.
Which has the longer half-life, Kavain or PT-141 (Bremelanotide)?
Kavain has a half-life of Not firmly established for isolated kavain in humans. Kavalactones are lipophilic and rapidly absorbed, with subjective effects generally lasting a few hours. Limited pharmacokinetic data preclude a precise elimination half-life.. PT-141 (Bremelanotide) has a half-life of ~2.7 hours. Longer half-lives generally mean less frequent dosing but slower on/off kinetics.
Can you stack Kavain and PT-141 (Bremelanotide)?
Stacking depends on mechanism overlap, safety profile, and goals. Kavain and PT-141 (Bremelanotide) should only be stacked after reviewing each compound's individual protocol page, side effect profile, and any published interaction data. Use the BodyHackGuide stack builder for a structured review before combining research compounds.
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Research use only. BodyHackGuide is a research and price-comparison reference. The compounds discussed on this page are not approved by the FDA for human consumption and are sold strictly for laboratory research. Prices shown are pulled from vendor listings tracked on BHG and are subject to change. Every vendor is ranked on the same public, reproducible methodology. See editorial standards and affiliate disclosure.