When adverse effects occurred, they were typically mild and transient, with the most common being mild to moderate headaches (similar frequency to placebo groups), minor injection site reactions (redness, slight swelling), and gastrointestinal effects at higher oral doses (nausea, diarrhea)
The body compensates by increasing glucose oxidation and, more problematically, by increasing amino acid catabolism, which means breaking down muscle protein for energy
Suggested use: daily 2 capsules with sufficient liquid
Without this oversight, you are flying blind
But for IV glutathione, lack of efficacy and safety concerns mean it is contraindicated for cosmetic use
And how can we alter our gut bacteria should it be necessary