MOTS-c vs PT-141 (Bremelanotide)
Side-by-side comparison of key properties, dosing, and research.
Anti-Aging & Longevity
MOTS-cSexual Health & Libido
PT-141 (Bremelanotide)- Summary
- MOTS-c is a mitochondria-derived peptide (MDP) encoded within the mitochondrial genome. It acts as a metabolic regulator, improving insulin sensitivity, enhancing exercise capacity, and counteracting age-related metabolic decline. It is often called a 'mitochondrial hormone.'
- PT-141 (Bremelanotide) is a cyclic peptide melanocortin receptor agonist that enhances sexual desire and arousal through central nervous system mechanisms. It is FDA-approved as Vyleesi for premenopausal women with hypoactive sexual desire disorder (HSDD).
- Half-Life
- Estimated 1–2 hours
- 2–3 hours
- Admin Route
- SubQ
- SubQ
- Research
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- Typical Dose
- 5–15 mg
- 0.5–1.75 mg
- Frequency
- 3–5 times per week
- As needed (not daily)
- Key Benefits
- Improves insulin sensitivity and glucose metabolism
- Enhances exercise capacity and endurance
- Reduces age-related metabolic decline
- Activates AMPK — the master metabolic regulator
- Promotes fat oxidation
- Anti-inflammatory effects
- May extend healthspan via mitochondrial optimization
- Increases energy and reduces fatigue
- Enhances sexual desire and libido in both men and women
- Improves arousal through central nervous system activation
- Effective for psychological erectile dysfunction
- Works for female sexual arousal disorder
- May improve sexual satisfaction and intensity
- Fast-acting — effects within 45–60 minutes
- FDA-approved for HSDD in premenopausal women
- Side Effects
- Injection site irritation
- Fatigue during initial adaptation
- Unknown long-term profile (limited human data)
- Nausea (most common — 40% of users in clinical trials)
- Facial flushing and warmth
- Transient blood pressure changes (typically increase then normalize)
- Headache
- +2 more
- Stacks With
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