Why in News?
Recent studies (April 2026) are investigating if glutathione supplementation can reduce the "oxidative stress" responsible for chronic fatigue in long-COVID patients.
What is Glutathione?
- Master Antioxidant: It is the most powerful antioxidant produced naturally by the human body.
- Composition: A tripeptide made of three amino acids: Cysteine, Glycine, and Glutamic acid.
- Location: Found in every cell, but concentrations are highest in the liver, where it aids in detoxification.
Primary Functions
- Neutralizes Free Radicals: Prevents cell damage caused by reactive oxygen species (ROS).
- Detoxification: Binds to toxins (like heavy metals and pollutants) to make them water-soluble so the body can flush them out.
- Immune Support: Helps T-cells function properly, which is essential for fighting infections.
- DNA Repair: Plays a role in synthesizing and repairing DNA.
Use in Skin Care
- Melanin Inhibition: It inhibits the enzyme tyrosinase, which produces melanin (the pigment that darkens skin).
- Switching Pigment: It shifts melanin production from eumelanin (dark) to pheomelanin (lighter/yellow-red), leading to a brighter complexion.
- Anti-Aging: Reduces fine lines by protecting collagen from oxidative damage.
Risks and Side Effects
- IV Dangers: Rapid administration can cause anaphylactic shock, kidney failure, or severe skin rashes (Stevens-Johnson syndrome).
- Thyroid Issues: Long-term use of high-dose supplements may disrupt thyroid function.
- Zinc Depletion: Chronic supplementation can lower zinc levels in the body.
- Lack of Regulation: Many "skin whitening" pills sold online are unregulated and may contain impurities.
Natural Ways to Boost Levels
- Sulfur-rich foods: Garlic, onions, and cruciferous vegetables (broccoli, cauliflower).
- Vitamin C: Helps maintain glutathione levels by attacking free radicals first.
- Selenium: A co-factor needed for the body to produce glutathione.
- Whey Protein: Provides cysteine, the most important "building block" for the molecule.
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