Endur-Flex
by Endurance Products Company · tablet or pill · 200 tablets
- On the market (NIH)
- UPC 7 29135 18002 8
- DSLD label 177823
- Serving 1 tablet
Endur-Flex by Endurance Products Company lists 2 ingredients, 2 with an amount per serving of 1 tablet, such as 500 mg of glucosamine and 200 mg of chondroitin. Its current label entered the NIH Dietary Supplement Label Database on July 25, 2018.
What is in Endur-Flex?
Each row as the label prints it, per serving of 1 tablet. 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 |
|---|---|---|---|
| Glucosamineas Glucosamine HClGlucosamine (Form: as Glucosamine HCl) | 500 mg | 62% of 117 products listing glucosamine (unspecified) give more (median 750 mg). Per day at the most servings: 1,500 mg. | |
| Chondroitinas Chondroitin SulfateChondroitin (Form: as Chondroitin Sulfate) | 200 mg | 64% of 47 products listing chondroitin (unspecified) give more (median 400 mg). Per day at the most servings: 600 mg. |
Source: NIH ODS Dietary Supplement Label Database, label 177823 (entered July 25, 2018), version 9.4.0. See the label on DSLD. Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.
Is that a lot?
Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.
The NIH database records 3 servings 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?
6 products list the very same ingredients; the nearest amounts come first.
- Sustained Release Endur-Flex Glucosamine 500 mg Chondroitin 200 mgEP · off the market same ingredients
- Glucosamine ChondroitinSignature Supplements same ingredients
- Glucosamine Plus ChondroitinNature's Answer · off the market same ingredients
- Glucosamine + Chondroitin 1350 mgNature's Answer same ingredients
- Glucosamine And Chondroitin 1,350 mgNature's Answer same ingredients
- Glucosamine 900 mg + Chondroitin 900 mgBody Attack Sports Nutrition same ingredients
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
- Suggested Use: Take three (3) tablets daily. For best results take one (1) tablet with each meal.
- Warnings
- Consult your healthcare professional prior to use if you have or suspect a medical condition, are taking any medications, or are pregnant or nursing.
- Keep out of reach of children.
- Storage
- Store in a cool, dry place.
Source: label statements in DSLD label 177823.
What else is on the label?
Other ingredients: Stearic Acid, Vegetable Wax, Magnesium Stearate, Silica.
How many labels does Endur-Flex have?
One label is on file, entered on July 25, 2018.
- Label 177823 (current) Entered July 25, 2018 · on the market · 200 tablets · UPC 7 29135 18002 8
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Endurance Products Company (distributor), Tualatin, OR. All Endurance Products Company products.