alpha glutathione s transferase GST family and cellular localization of its isoenzymes RCSB PDB - 1AQW: GLUTATHIONE

And over the course of a year, you end up paying for two more shipments than you would from a company that only charges every 30 days

While you can supplement with a bit more than this (many supplements have 15 to 30 mg), you should not exceed the tolerable upper intake of 40 mg per day from food and supplements combined, unless supervised by a doctor

The same 2017 study referenced above reported the following side effects in some participants who received 250mg of oral glutathione:6 Pruritis (itching) Macular erythema (rash-like red patches on the skin) Red spots on the skin Tiredness Transaminitis (high liver enzyme levels in the blood) Additionally, specific glutathione supplements may pose more safety concerns than others

If the material dissolves and the solution returns to a clear (though possibly colored) state, it might have been minor crystallization