Hexarelin vs SNAP-8
Side-by-side comparison of key properties, dosing, and research.
- Summary
- Hexarelin is a potent synthetic GHRP and the strongest GH secretagogue in its class per unit dose. It also exhibits unique cardioprotective properties through direct binding to cardiac CD36 receptors, independent of GH release. Its potency is balanced by a tendency to desensitize GH release with prolonged use, making cycling important.
- SNAP-8 is a synthetic octapeptide cosmetic ingredient that reduces the depth of expression lines and wrinkles by competitively inhibiting the SNARE complex involved in acetylcholine release at neuromuscular junctions, providing a topical 'Botox-like' effect.
- Half-Life
- ~70 minutes
- N/A — topical application; local effect duration depends on formulation
- Admin Route
- SubQ
- Topical
- Research
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- Typical Dose
- 100–200 mcg
- 3–10% concentration in formulation
- Frequency
- 2–3 times daily
- 1–2x daily
- Key Benefits
- Strongest GH pulse per mcg among GHRPs
- Unique direct cardioprotective effects via CD36
- Increased IGF-1 and muscle anabolism
- Accelerated recovery from training
- Bone density support
- Anti-aging via GH axis
- Potential cardiac rehabilitation benefits
- Reduces depth of dynamic expression wrinkles
- Smooths forehead lines, crow's feet, glabellar lines
- Non-invasive topical Botox alternative
- Can be incorporated into serums, creams, eye contour products
- Reduces muscle contraction without paralysis
- Improves skin texture and firmness over time
- Complements other anti-aging peptides (Argireline, Matrixyl)
- Side Effects
- Water retention
- Elevated cortisol
- Elevated prolactin (more pronounced than other GHRPs)
- Receptor desensitization with continuous use
- +1 more
- Generally excellent tolerability
- Rare: mild redness in sensitive individuals
- Not suitable for injection (topical use only)
- Stacks With
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