Sustained Release Endur-Flex Glucosamine 500 mg Chondroitin 200 mg
by EP · tablet or pill · 200 tablets
- Off the market since January 2018 (NIH)
- UPC 7 29135 18002 8
- DSLD label 17765
- Serving 1 tablet
Sustained Release Endur-Flex Glucosamine 500 mg Chondroitin 200 mg by EP 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 January 25, 2013.
What is in Sustained Release Endur-Flex Glucosamine 500 mg Chondroitin 200 mg?
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 17765 (entered January 25, 2013), 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.
- Endur-FlexEndurance Products Company 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
- Directions: Take three tablets daily. For best results take one tablet with each meal.
- Storage
- Store in a dry place at room temperature.
Source: label statements in DSLD label 17765.
What else is on the label?
Other ingredients: Vegetable Stearine, Carnauba Wax, Silica, Magnesium Stearate.
Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): EP(R).
How many labels does Sustained Release Endur-Flex Glucosamine 500 mg Chondroitin 200 mg have?
One label is on file, entered on January 25, 2013.
- Label 17765 (current) Entered January 25, 2013 · off the market January 10, 2018 · 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 Co. (manufacturer), Tigard, OR, U.S.A.. All EP products.