Comparison
Dr. Stephen Langer's Glutathione Precursor Complex and Glutathione Precursor Complex
Dr. Stephen Langer's Glutathione Precursor Complex (Swanson Ultra) lists 8 distinct ingredients and Glutathione Precursor Complex (Swanson) 8 (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 1.00: the same ingredients, at the amounts in the table below.
| Ingredient | Dr. Stephen Langer's Glutathione Precursor Complex | Glutathione Precursor Complex |
|---|---|---|
| Vitamin C | 100 mg (111%) | 211 mg (234%) |
| Alpha Lipoic Acid | 37.5 mg | 37.5 mg |
| Glutamine | 0.1 g | 0.1 g |
| Milk Thistle | 50 mg | 50 mg |
| N-Acetyl Cysteine | 100 mg | 100 mg |
| Acetyl L-Carnitine | 100 mg | 100 mg |
| Glutathione | 37.5 mg | 37.5 mg |
| Betaine | 50 mg | 50 mg |
Amounts are per serving as DSLD gives them: Dr. Stephen Langer's Glutathione Precursor Complex, 1 capsule; Glutathione Precursor Complex, 1 capsule. Current labels entered June 2018 and February 2024. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Dr. Stephen Langer's Glutathione Precursor ComplexSwanson Ultra: every row against all products listing it
- Glutathione Precursor ComplexSwanson: every row against all products listing it