Among users who post about side effects, the most-discussed run nausea, fatigue, GI-other, anxiety, diarrhea, constipation, menstrual changes, and reflux/burps, in that order
Countries with strict medical regulations, like the UAE, Korea, and Japan, are the top choices for the best glutathione treatment
Quality and Source of Glutathione : Clinics that use pharmaceutical-grade, medically approved glutathione formulations may charge more due to higher safety and quality standards
The vitamin E (alfa-tocopherol) is the biggest liposoluble anti-oxidant present in all the cellular membranes, and therefore, acts in the protection against the lipoperoxidation (Kay et al., 1986)
If you are self-supplementing with high-dose B12 without medical indication, discuss this with your GP