Taking glutathione after a session can help "mop up" excess free radicals and support the liver as it clears metabolic waste
2017 Cell study used 5 mg/kg intraperitoneal injection three times per week in aged mice, with treatment periods of several weeks the three-times-weekly dosing suggests the peptide maintains sufficient functional concentrations for at least 48-72 hours per dose (PMID: 28340339)
Biotin can result in falsely high levels of T4 and T3, and falsely low levels of TSH on lab results
Sikiric P, Gojkovic S, Krezic I, Smoday IM, Kalogjera L, Zizek H, Oroz K, Vranes H, Vukovic V, Labidi M, Strbe S, Baketic Oreskovic L, Sever M, Tepes M, Knezevic M, Barisic I, Blagaic V, Vlainic J, Dobric I, Staresinic M, Skrtic A, Jurjevic I, Boban Blagaic A, Seiwerth S