Stem XCell
by Enzymedica · capsule · 60 capsules
- Off the market since August 2022 (NIH)
- UPC 6 70480 28050 8
- DSLD label 296562
- Serving 2 capsules
- 30 servings
Stem XCell by Enzymedica lists 15 ingredients, 4 with an amount per serving of 2 capsules, such as 2,000 IU (50 mcg) 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 23, 2023.
What is in Stem XCell?
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 Cholecalciferolvegetarian | 2,000 IU (50 mcg) | 500% | Higher than 81% of 14,175 products listing vitamin D (median 15 mcg). |
| Proprietary Blend NT-020 | 800 mg | ||
| Green Tea Extractas Epigallocatechin Gallate, Polyphenols95% polyphenols, 45% egcg | in the blend, no amount given | ||
| Blueberry, Powderas Vaccinium angustifoliumlowbush | in the blend, no amount given | ||
| Carnosine | in the blend, no amount given | ||
| BioVin Advancedas Red Grape Extract5% resveratrol | in the blend, no amount given | ||
| VitaBlueas Wild Blueberry Fruit Extract30% total phenolics, 12% anthicyanins | in the blend, no amount given | ||
| Botanical Enhance Enzymes | 25 mg | ||
| Hemicellulase | 3,000 HCU | ||
| Cellulase | 200 CU | ||
| Xylanase | 25 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). | |
| Protease | Thera-blend, 2,500 HUT | ||
| Glutathionereduced | 3 mg | 94% of 717 products listing glutathione give more (median 50 mg). |
Source: NIH ODS Dietary Supplement Label Database, label 296562 (entered August 23, 2023), 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 (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's, rare ingredients counting for more.
- MemoryCellEnzymedica 13 shared, 91% alike
- Stem XCell ProEnzyme Science 13 shared, 84% 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 Use: 2 capsules daily. More may be taken as recommended by a healthcare professional.
- Warnings
- Consult physician prior to use if pregnant or nursing.
- Do not use if safety seal is broken or missing.
- Please keep out of reach of children
- Allergens and what it does not contain
- No fillers added
- Non GMO
- Contains no egg, dairy, preservatives, salt, sucrose, soy, wheat, yeast, nuts, corn, gluten, casein, potato, rice, artificial colors or flavors.
- Enzymedica does not use ingredients produced using biotechnology.
- Storage
- Keep closed in dry place; avoid excessive heat.
Source: label statements in DSLD label 296562.
What else is on the label?
Other ingredients: Cellulose, Water.
How many labels does Stem XCell have?
3 labels are on file under this name since April 25, 2014: other sizes, label designs and reformulations. The current one leads this page.
- Label 296562 (current) Entered August 23, 2023 · off the market August 31, 2022 · 60 capsules · UPC 6 70480 28050 8
- Label 259974 Entered February 23, 2022 · off the market August 21, 2023 · 60 capsules · UPC 6 70480 28050 8
- Label 32745 Entered April 25, 2014 · off the market September 14, 2021 · 60 capsules · UPC 6 70480 28050 8
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Enzymedica, Inc. (manufacturer), Venice, FL. All Enzymedica products.