Comparison
Bio-X4 and Fortify Adult Probiotic 50 Billion Extra-Strength
Bio-X4 (Nucific) lists 10 distinct ingredients and Fortify Adult Probiotic 50 Billion Extra-Strength (Nature's Way) 7 (rows of one ingredient counted once); 5 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 0.42.
| Ingredient | Bio-X4 | Fortify Adult Probiotic 50 Billion Extra-Strength |
|---|---|---|
| Lactobacillus acidophilus | not disclosed | not disclosed |
| Lactobacillus rhamnosus | not disclosed | not disclosed |
| Bifidobacterium animalis lactis | not disclosed | not disclosed |
| Lactobacillus plantarum | not disclosed | not disclosed |
| Bifidobacterium (unspecified) | not disclosed | not disclosed |
| Green Tea | not disclosed | |
| Bromelain | not disclosed | |
| Lipase | not disclosed | |
| Amylase | not disclosed | |
| Lactobacillus casei | not disclosed | |
| Lactobacillus paracasei | not disclosed | |
| Caralluma | not disclosed |
Amounts are per serving as DSLD gives them: Bio-X4, 1 capsule; Fortify Adult Probiotic 50 Billion Extra-Strength, 1 capsule. Current labels entered August 2019 and June 2025. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Bio-X4Nucific: every row against all products listing it
- Fortify Adult Probiotic 50 Billion Extra-StrengthNature's Way: every row against all products listing it