Comparison
Probiotic Advantage and PearlBiotic Spheres
Probiotic Advantage (Williams Nutrition) lists 8 distinct ingredients and PearlBiotic Spheres (Dr. Whitaker) 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 | Probiotic Advantage | PearlBiotic Spheres |
|---|---|---|
| Lactobacillus acidophilus | not disclosed | not disclosed |
| Lactobacillus rhamnosus | not disclosed | not disclosed |
| Lactobacillus plantarum | not disclosed | not disclosed |
| Bifidobacterium bifidum | not disclosed | not disclosed |
| Bifidobacterium longum | not disclosed | not disclosed |
| Fructo-Oligosaccharides | 25 mg | 25 mg |
| Lactobacillus salivarius | not disclosed | not disclosed |
| Lactobacillus fermentum | not disclosed | not disclosed |
Amounts are per serving as DSLD gives them: Probiotic Advantage, 1 caplet; PearlBiotic Spheres, 1 tablet. Current labels entered December 2022 and July 2018. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Probiotic AdvantageWilliams Nutrition: every row against all products listing it
- PearlBiotic SpheresDr. Whitaker: every row against all products listing it