A randomized, double-blind trial published in the European Journal of Nutrition found that daily oral glutathione at 1,000mg over six months increased glutathione levels by 30 to 35% in erythrocytes, plasma, and lymphocytes among 54 adults
There's no published contact-allergy case reports for this ingredient but as with any botanical, a patch test is sensible if you react to plant extracts generally
If a vial has been opened or the seal is compromised, the powder may absorb ambient moisture, effectively changing the amount of "dry" peptide before you even add water
Journal of the American Dietetic Association
Conclusion In conclusion, whether to take glutathione capsules with or without food depends on various factors, including the specific formulation of your supplement, your individual physiology, and your personal preferences
I have had to call twice to speak with someone regarding my order