Comparison

Premier Glutathione Complex and Quantum Glutathione Support

Premier Glutathione Complex (Premier Research Labs) lists 8 distinct ingredients and Quantum Glutathione Support (Quantum Nutrition Labs) 9 (rows of one ingredient counted once); 8 are on both labels. On the site's similarity measure, which compares ingredient lists (1 for the same list, rarer ingredients counting for more; amounts are not part of it), the two formulas score 0.83.

Amount per serving (and % of the Daily Value)
IngredientPremier Glutathione ComplexQuantum Glutathione Support
Calcium30 mg (2%)38 mg (3%)
Turmericnot disclosednot disclosed
Reishi mushroomnot disclosednot disclosed
Fennelnot disclosednot disclosed
Burdocknot disclosednot disclosed
Glutathione125 mg125 mg
Lemonnot disclosednot disclosed
Hyssopnot disclosednot disclosed
Lithothamnionnot disclosed

Amounts are per serving as DSLD gives them: Premier Glutathione Complex, 1 capsule; Quantum Glutathione Support, 1 capsule. Current labels entered June 2022 and September 2025. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own