The recommended timing involves injection 30-60 minutes before the first meal, which naturally places it during the fasting window
Body composition metrics For muscle preservation, body composition matters more than weight alone
Strictly Prohibited Uses Products must not be ingested, injected, inhaled, implanted, reconstituted for administration, topically applied, self-administered, administered to another person, administered to an animal, used for compounding, used in food or cosmetics, used for athletic or body-composition purposes, or used in any clinical, therapeutic, diagnostic, veterinary, recreational, household, or personal setting
These changes often happen slowly
Fuentes: Glutathione - Uses, Side Effects, and More, WebMD official website Glutathione Benefits, Healthline official website