Glutathione
Master antioxidant that protects cells, supports detoxification, and brightens skin
Clinical Research Score: 4/5 — Supported by clinical trials and systematic reviews (notably for skin lightening), though not FDA-approved for these uses.
Categories: Immune Support, Skin & Hair, Anti-Aging / Longevity
What is Glutathione?
Glutathione is called the "master antioxidant" — and it's not marketing hype. It's the single most important antioxidant your body produces, present in every cell, and essential for detoxification, immune function, and cellular protection. When glutathione levels are high, your cells are protected. When they're low, everything suffers.
People report improved energy, clearer thinking, and notably brighter, more even skin tone. The skin-brightening effect is one of the most visible and consistent benefits — glutathione inhibits melanin production, leading to a more radiant complexion. Immune function strengthens. Recovery from illness and physical stress speeds up. Many describe it as a foundational reset for their entire system.
Glutathione is unique in that virtually everyone can benefit from it — it's not targeting a specific condition, it's supporting the foundational protective mechanisms that every cell depends on. Stress, poor diet, environmental toxins, and aging all deplete glutathione. Replenishing it is one of the simplest, most broadly beneficial things you can do for your cellular health.
How Glutathione works
Glutathione works as your body's primary free radical scavenger — neutralizing the reactive oxygen species that damage DNA, proteins, and cell membranes. It also serves as the key molecule in Phase II liver detoxification, conjugating (binding to) toxins so they can be safely excreted from the body. It regenerates other antioxidants like vitamins C and E (recycling them back to their active forms), supports T-cell immune function, and inhibits the enzyme tyrosinase, which reduces melanin production and brightens skin tone.
Scientific overview
Glutathione is a tripeptide (gamma-glutamylcysteinylglycine) that serves as the body's primary endogenous antioxidant. It is crucial for detoxification, immune function, and cellular protection against oxidative stress. Glutathione exists in reduced (GSH) and oxidized (GSSG) forms, with the GSH/GSSG ratio serving as a key indicator of cellular health.
Dosing
- Starting dose: 100 mg/day SubQ
- Common dosage range: 100-300 mg/day SubQ
- Administration: Subcutaneous
- Half-life: Short (minutes); daily dosing recommended
- Frequency: Daily