Comparison
Butterbur Extract With Standardized Rosmarinic Acid and HistaQuel
Butterbur Extract With Standardized Rosmarinic Acid (Life Extension) lists 4 distinct ingredients and HistaQuel (Researched Nutritionals) 5 (rows of one ingredient counted once); 3 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 0.52.
| Ingredient | Butterbur Extract With Standardized Rosmarinic Acid | HistaQuel |
|---|---|---|
| Luteolin | 4 mg | not disclosed |
| Perilla | 50 mg | not disclosed |
| Butterbur | 75 mg | not disclosed |
| Stinging Nettle | not disclosed | |
| Fisetin | not disclosed | |
| Rosmarinic Acid | 50 mg |
Amounts are per serving as DSLD gives them: Butterbur Extract With Standardized Rosmarinic Acid, 1 softgel; HistaQuel, 2 capsules. Current labels entered June 2016 and April 2023. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Butterbur Extract With Standardized Rosmarinic AcidLife Extension: every row against all products listing it
- HistaQuelResearched Nutritionals: every row against all products listing it