main source of glutathione for Food and Health Applications with Emphasis on Extraction, Identification, and Quantification Methods: A Review Glutathione Market Size, Share &

It should only be administered by a healthcare professional

PT-141 (Bremelanotide/Vyleesi) Primary uses: Female sexual dysfunction (FDA-approved) Male erectile dysfunction Libido enhancement for both sexes Typical dosing: 1-2mg, 45-90 minutes before sexual activity Use as needed (not daily) Administration: Subcutaneous injection Special notes: Works through CNS (brain), not vascular system FDA-approved for female sexual dysfunction Effective for both men and women Side effects: nausea (common but temporary), flushing Melanotan II Primary uses: Tanning (primary) Libido enhancement (secondary) Appetite suppression Typical dosing: 0.5-1mg, 2-3 times per week Duration: Ongoing for tanning maintenance Administration: Subcutaneous injection Special notes: Causes significant skin darkening (permanent) Increases libido as side effect Nausea common initially Safety concerns about long-term use Kisspeptin Primary uses: Natural testosterone support Fertility enhancement Libido increase Typical dosing: 1-2mg, 2-3 times per week Duration: Ongoing for hormonal support Administration: Subcutaneous injection Special notes: Stimulates GnRH (gonadotropin-releasing hormone) Can increase natural testosterone 15-30% Useful for fertility issues Research-stage peptide See our peptides for men guide for male sexual health protocols

Landini I, Lapucci A, Pratesi A, Massai L, Napoli C, Perrone G, et al

J Am Chem Soc (2009) 131:1175161