Stem XCell Pro
by Enzyme Science · capsule · 60 capsules
- On the market (NIH)
- UPC 6 70480 30068 8
- DSLD label 334834
- Serving 2 capsules
- 30 servings
Stem XCell Pro by Enzyme Science lists 15 ingredients, 4 with an amount per serving of 2 capsules, such as 50 mcg (2,000 IU) of vitamin D3; 4 give their count of live cultures or enzyme activity instead of a weight; 7 sit inside a blend without their own amounts. Its current label entered the NIH Dietary Supplement Label Database on August 22, 2025.
What is in Stem XCell Pro?
Each row as the label prints it, per serving of 2 capsules. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| Vitamin D3as Cholecalciferol2000 IU | 50 mcg (2,000 IU) | 250% | Higher than 81% of 14,175 products listing vitamin D (median 15 mcg). |
| Proprietary Blend NT-020 | 800 mg | ||
| Green Tea Leaf Extract | in the blend, no amount given | ||
| Blueberry, Powderas Vaccinium corymbosum, Powder | in the blend, no amount given | ||
| Carnosine | in the blend, no amount given | ||
| BioVin Advancedas Red Grape Fruit Extract5% resveratrol | in the blend, no amount given | ||
| VitaBlueas Blueberry Fruit Extract | in the blend, no amount given | ||
| Botanical Optimizing Enzymes | 25 mg | ||
| Hemicellulase | 3000 HCU | ||
| Cellulase | 200 CU | ||
| Xylanase | 250 XU | ||
| Pectinaseas Phytase5 Endo-PGU | in the blend, no amount given | ||
| Defenze Antioxidant Blend | 25 mg | ||
| Catalase12.5 Baker | in the blend, no amount given | ||
| Superoxide Dismutase | 4 mg | Higher than 70% of 138 products listing superoxide dismutase (median 30 mcg). | |
| Alpha-Lipoic Acid | 4 mg | 95% of 2,407 products listing alpha lipoic acid give more (median 50 mg). | |
| Thera-Blend Protease | 2500 HUT | ||
| Glutathione, Reduced | 3 mg | 94% of 717 products listing glutathione give more (median 50 mg). |
Source: NIH ODS Dietary Supplement Label Database, label 334834 (entered August 22, 2025), version 9.4.0. See the label on DSLD or its label image (PDF). Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.
Is that a lot?
The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:
- 95% of the 2,407 products that print an amount of alpha lipoic acid list more than its 4 mg of alpha-lipoic acid (filed by NIH under alpha lipoic acid) (median 50 mg).
- 94% of the 717 products that print an amount of glutathione list more than its 3 mg of glutathione (median 50 mg).
The NIH database records one serving a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.
The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.
Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.
Which products have the closest formulas?
The products whose ingredient lists overlap most with Stem XCell Pro's, rare ingredients counting for more.
- Stem XCellEnzymedica · off the market 13 shared, 84% alike
- MemoryCellEnzymedica 12 shared, 76% alike
Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.
What does the label say about taking it?
Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.
- Directions
- Recommended Dose: 2 capsules daily. More may be taken as recommended by a healthcare practitioner. Consult a physician before use if you are pregnant or nursing, taking medications or have a medical condition.
- Warnings
- Do not use if safety seal is broken or missing.
- Keep out of reach of children.
- Contains: Sulfites
- Allergens and what it does not contain
- Gluten-free Contains no: casein, crustaceans, eggs, fish, gluten, milk, nuts, sesame, shellfish, soy, wheat; artificial colors, fillers or flavors Non-GMO
- Storage
- Keep closed in dry place; avoid excessive heat.
Source: label statements in DSLD label 334834.
What else is on the label?
Other ingredients: Hydroxypropyl Methylcellulose, Water.
How many labels does Stem XCell Pro have?
One label is on file, entered on August 22, 2025.
- Label 334834 (current) Entered August 22, 2025 · on the market · 60 capsules · UPC 6 70480 30068 8
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Enzyme Science (manufacturer), Venice, FL. All Enzyme Science products.