l-carnitine nutricost Tartrate Capsules 1000mg Per Serving, 60 Capsules - Dietary Supplement For Men & Women citing reduced fatigue and soreness post Nutricost, L-Carnitine Tartrate, Unflavored, 3.5

(PubMed) Carr AC, Frei B

My initial impression

The Khavinson primate studies are most relevant here: Epitalon increased nighttime melatonin in old monkeys while having no effect on young ones

Moller S, Becker U, Juul A, Skakkebaek NE, Christensen E: Prognostic value of insulinlike growth factor I and its binding protein in patients with alcohol-induced liver disease

Mercury and cadmium exposure : exposing animals to toxic levels of cadmium (Cd) or mercury (Hg) induces immediate hyperthyroidism

Through transcriptome analysis, it was found that the cold-pressed flaxseed oil protected HepG2 cells from oxidative stress by regulating the expression of the genes related to the mTOR signal pathway and MAPK signal pathway