lutein astaxanthin and l-glutathione tablets uses astaxanthin-l-glutathione-lutein | View uses, side-effects, medicines The Role of Astaxanthin as

In addition to its direct antioxidant functions, glutathione (GSH) contributes to the regeneration of other antioxidants, including vitamins C and E, and is involved in critical processes such as iron homeostasis and mitochondrial integrity

It is also why rushing to a higher dose in the first week or two before steady state is reached often leads to unnecessary side effects

Most studies are small-scale, lack robust methodology, or have not been replicated in larger populations

No one knows why

Many people with a deficiency describe deep fatigue, including an "afternoon crash." With infrequent dosing, blood levels can peak and then taper before the next visit