The American Council on Exercise explains that compound exercises are multijoint movements involving more than a single muscle group. Because they engage more muscle tissue, compound exercises require more oxygen
These sellers often label their products for "research purposes only" to circumvent safety regulations while marketing them to people for personal use - a major red flag
Zhou F, Zhang H, Cong Z, Zhao LH, Zhou Q, Mao C, Cheng X, Shen DD, Cai X, Ma C, Wang Y, Dai A, Zhou Y, Sun W, Zhao F, Zhao S, Jiang H, Jiang Y, Yang D, Xu HE, Zhang Y, Wang MW
Objective: The current study's focus was to compare the antioxidant properties of synthetic glutathione and glutathione derived from spinach against CCl4-induced stress in female albino rats
PMID 15357831