Nasal administration technique Using PT-141 nasal spray: Blow nose gently (clear passages) Prime pump (1-2 test sprays into air) Tilt head slightly forward (not back) Insert nozzle into nostril (don't deep) Spray while breathing in gently 2-3 sprays per nostril typically Alternate nostrils Avoid sniffing hard (keeps in nasal tissue) Wait 2-3 minutes between sprays Absorption through nasal mucosa: PT-141 absorbed across nasal lining Enters bloodstream directly Bypasses stomach/liver (like injection) But: Lower bioavailability (~30%) Hence need 2-3x higher dose Nasal spray pros/cons: When to choose nasal: Needle phobic Value convenience highly Don't mind using 2-3x more peptide Want slightly faster onset Traveling (easier to transport) When to choose injection: Want cost efficiency Comfortable with injections Prefer guaranteed absorption Limited PT-141 supply Already using other injectable peptides Managing PT-141 side effects Minimizing nausea and other reactions

Key Ingredients (may include): Glutathione 1,800,000mg - A master antioxidant that helps detoxify the body and inhibit melanin production for a whitening effect Vitamin C (Ascorbic Acid) - Enhances the whitening process and boosts collagen production Collagen Extract - Improves skin elasticity and firmness Alpha Lipoic Acid - Supports cell regeneration and skin health Multivitamin Complex - Nourishes the skin from within 4
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10.1210/jcem.84.7.5853 Summary Keywords hormone, resistance exercise, muscle growth, protein synthesis, hypertrophy Citation Gharahdaghi N, Phillips BE, Szewczyk NJ, Smith K, Wilkinson DJ and Atherton PJ (2021) Links Between Testosterone, Oestrogen, and the Growth Hormone/Insulin-Like Growth Factor Axis and Resistance Exercise Muscle Adaptations
Continue through active healing phase (typically 8-12 weeks) potentially extending into remodeling phase (months) for complete recovery
Claxton A, Baker LD, Hanson A, Trittschuh EH, Cholerton B, Morgan A, et al