Comparison
Essential Youth L-Ergothioneine 5 mg and L-Ergothioneine 5 mg
Essential Youth L-Ergothioneine 5 mg (Life Extension) lists 2 distinct ingredients and L-Ergothioneine 5 mg (SuperSmart) 1 (rows of one ingredient counted once); 1 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 0.85.
| Ingredient | Essential Youth L-Ergothioneine 5 mg | L-Ergothioneine 5 mg |
|---|---|---|
| Ergothioneine | 5 mg | 5 mg |
| Vitamin C | 5 mg (6%) |
Amounts are per serving as DSLD gives them: Essential Youth L-Ergothioneine 5 mg, 1 capsule; L-Ergothioneine 5 mg, 1 capsule. Current labels entered March 2025 and May 2021. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Essential Youth L-Ergothioneine 5 mgLife Extension: every row against all products listing it
- L-Ergothioneine 5 mgSuperSmart: every row against all products listing it