Comparison
Stem XCell Pro and Stem XCell
Stem XCell Pro (Enzyme Science) lists 14 distinct ingredients and Stem XCell (Enzymedica) 14 (rows of one ingredient counted once); 13 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 0.84.
| Ingredient | Stem XCell Pro | Stem XCell |
|---|---|---|
| Vitamin D | 50 mcg (250%) | 50 mcg (250%) |
| Green Tea | not disclosed | not disclosed |
| Grape | not disclosed | not disclosed |
| Alpha Lipoic Acid | 4 mg | 4 mg |
| Blueberry | not disclosed | not disclosed |
| Cellulase | not disclosed | not disclosed |
| Glutathione | 3 mg | 3 mg |
| Hemicellulase | not disclosed | not disclosed |
| Pectinase | not disclosed | not disclosed |
| Xylanase | not disclosed | not disclosed |
| Superoxide Dismutase | 4,000 mcg | 4,000 mcg |
| Carnosine | not disclosed | not disclosed |
| Catalase | not disclosed | not disclosed |
| Proteolytic Enzymes (Proteases) | not disclosed | |
| Protease | not disclosed |
Amounts are per serving as DSLD gives them: Stem XCell Pro, 2 capsules; Stem XCell, 2 capsules. Current labels entered August 2025 and August 2023. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Stem XCell ProEnzyme Science: every row against all products listing it
- Stem XCellEnzymedica: every row against all products listing it