The median milk level at a composite time period of 2 or 6 weeks postpartum was 410 pmol/L (555 ng/L) in the supplemented group and 330 pmol/L (447 ng/L) in the control group
Glutathione converts dark eumelanin to lighter pheomelanin by inhibiting the enzyme tyrosinase
Safety Profile & Risks Common Side Effects (usually mild): Injection site pain, irritation, or phlebitis (especially with rapid IV push) Transient nausea, headache, or dizziness Metallic taste during infusion Serious Concerns: Potential liver and kidney strain with high-dose or long-term use Risk of severe allergic reactions (rare) Possible zinc depletion with prolonged use Counterfeit products are extremely common, fake versions may contain unknown contaminants, heavy metals, or incorrect dosing
PMC 6849757
Medicated drinks, on the other hand, contain pure glutathione that directly targets melanin, reduces pigmentation, and gives visible brightening within a few weeks