Comparison
ECA Xtreme and Black Widow
ECA Xtreme (Hi-Tech Pharmaceuticals) lists 11 distinct ingredients and Black Widow (Hi-Tech Pharmaceuticals) 11 (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 0.61.
| Ingredient | ECA Xtreme | Black Widow |
|---|---|---|
| Green Tea | not disclosed | not disclosed |
| Caffeine | 200 mg | 150 mg |
| Bitter orange | not disclosed | not disclosed |
| Synephrine | 25 mg | 20 mg |
| Phenylethylamine | not disclosed | not disclosed |
| 1,3-DMAA | not disclosed | not disclosed |
| Blackbrush | not disclosed | not disclosed |
| Ephedra | 25 mg | 25 mg |
| Chromium | 200 mcg (571%) | |
| Yohimbe | not disclosed | |
| White Willow | not disclosed | |
| Cocoa | not disclosed | |
| Naringenin | not disclosed | |
| Cola | not disclosed |
Amounts are per serving as DSLD gives them: ECA Xtreme, 1 caplet; Black Widow, 1 capsule. Current labels entered October 2018 and August 2015. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- ECA XtremeHi-Tech Pharmaceuticals: every row against all products listing it
- Black WidowHi-Tech Pharmaceuticals: every row against all products listing it