superoxide dismutase and glutathione superoxide dismutase and glutathione peroxidase

The short answer: same day is fine, different injection sites are required, same syringe is not allowed

(2019) Oral supplementation of Lglutathione prevents ultravioletinduced melanogenesis activity in mice, Journal of Photochemistry & Photobiology B: Biology, [online]

Second, the human studies are predominantly observational and uncontrolled

Regulation of one-carbon metabolism in Arabidopsis: The N-terminal regulatory domain of cystathionine gamma-synthase is cleaved in response to folate starvation

It does not replace a hormone optimization program, a recovery protocol, or a metabolic peptide

Bull Exp Biol Med 2017;164:413