Glutathione

reduced · liposomal · S-acetyl

The body's main intracellular antioxidant — which your gut largely digests when you swallow it. The interesting question is whether any oral form meaningfully raises levels at all.

last reviewed 2026-08-30

by draft — unverified

GRADE

CLAIM

SPECIES

EFFECT

STUDIES

raising body glutathione stores — grade C, unclear effect (human-rct)

Richie et al. (2015)

species humandesign RCT, double-blindn 54duration 6 monthsdose 250 or 1000 mg/dayfunding industryoutcome blood and cell glutathione levels

Levels rose 30–35% at the high dose after months — contradicting an earlier null trial. Bioavailability is genuinely contested; nothing here touches a clinical outcome.

skin brightening — grade C, small effect (human-rct)

Grade timeline

No grade movement since first review.

Dosing & safety

TYPICAL SUPPLEMENT DOSE250–1000 mg/day

DOSES USED IN STUDIES250–1000 mg/day

UPPER LIMITnone established

COST SNAPSHOT

No product records for this compound yet.

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