molecular glutathione 6 structures of (A), glutathione disulphide (B) Glutathione - Wikipedia

A 2019 safety review examined 87 human studies on natural astaxanthin including 35 using doses of 12mg per day or higher and found no significant safety concerns or consistent adverse effects.11 Across those trials, approved or studied doses commonly ranged between 2mg and 24mg per day, and higher short-term doses (up to 40mg per day for several weeks) have also shown good tolerability in adults, with no serious events reported

Kojic acid penetrates deep into the skin and disrupts the production of excess melanin, which is what causes those pesky dark patches

In healthy people with normal B levels, additional B has no effect on energy metabolism

it's a redox signaling issue, and the solution isn't more fiber or more water alone

(More on that below.) What is a pregnancy-safe skin care routine