There is ongoing research investigating its potential role in reducing oxidative stress and promoting antioxidant defense
Dosage is fixed depending on the current skin condition, which varies from 1-2 injections, per week

Clinically Proven to: Deliver glutathione into the cell , not just into the plasma* Promote healthy natural killer cell function* Improve oxidative stress markers* Researchers Concluded: The glutathione increase in all blood compartments was accompanied by enhanced immune function and reduction in oxidative stress* The Stable Glutathione 2-year shelf life at room temperature (no refrigeration necessary) guarantees full potency Another 3 rd party stability study demonstrated that after 6 months at 104 degrees Fahrenheit (40 degrees Celsius) & 75% humidity, Tri-Fortify still exceeded label claim Tri-Fortify is the only glutathione with this level of stability, improving patient compliance & convenience ***Canadian Customers*** If you are purchasing this product to be shipped to Canada, please click HERE Login / Register Product information Supplement Facts / Dosing Ingredients Reduced Glutathione | 450mg Vitamin C (Ascorbic Acid) | 50mg Other Ingredients: Glycerin, medium-chain triglycerides, phospholipids (soy), natural flavor

Reason: Too much caffeine increases cortisol and encourages oxidative activity, which weakens antioxidant action
Simultaneously, copper ions can oxidize vitamin C, rendering it less potent
Our bodies are full of peptides helping us stay alive, like insulin and oxytocin