PlainVitamins

JointFlex 900

by Foster Regal · capsule · 90 capsules

  • On the market (NIH)
  • DSLD label 297000
  • Serving 1 capsule

JointFlex 900 by Foster Regal lists 6 ingredients, 6 with an amount per serving of 1 capsule, such as 600 mg of glucosamine sulfate 2 KCl, 100 mg of collagen, 52 mg of cetyl myristoleate complex and 50 mg of methylsulfonylmethane. Its current label entered the NIH Dietary Supplement Label Database on September 25, 2023.

What is in JointFlex 900?

Each row as the label prints it, per serving of 1 capsule. 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).

JointFlex 900: Supplement Facts rows against the market (DSLD label 297000, January 2026 release)
IngredientAmount% DVAmong products listing it
Glucosamine Sulfate 2 KCl600 mgGlucosamine Sulfate in JointFlex 900 against 875 products0.6 g per serving; the middle half of products list 0.5 g to 1.5 g, the median 1 g.0.6 g

62% of 875 products listing glucosamine sulfate give more (median 1 g). Per day at the most servings: 1.8 g.

Collagen100 mgCollagen in JointFlex 900 against 1,008 products0.1 g per serving; the middle half of products list 0.1 g to 4.2 g, the median 1 g.0.1 g

73% of 1,008 products listing collagen give more (median 1 g). Per day at the most servings: 0.3 g.

Cetyl Myristoleate Complex52 mgCetyl Myristoleate in JointFlex 900 against 63 products52 mg per serving; the middle half of products list 8.25 mg to 500 mg, the median 52 mg.52 mg

46% of 63 products listing cetyl myristoleate give more (median 52 mg). Per day at the most servings: 156 mg.

Methylsulfonylmethane50 mgMethylsulfonylmethane in JointFlex 900 against 1,454 products50 mg per serving; the middle half of products list 150 mg to 1,000 mg, the median 500 mg.50 mg

89% of 1,454 products listing methylsulfonylmethane give more (median 500 mg). Per day at the most servings: 150 mg.

White Willow Bark Extract4:150 mgWhite Willow in JointFlex 900 against 256 products50 mg per serving; the middle half of products list 80 mg to 400 mg, the median 150 mg.50 mg

79% of 256 products listing white willow give more (median 150 mg). Per day at the most servings: 150 mg.

Chondroitin Sulfate48 mgChondroitin Sulfate in JointFlex 900 against 950 products48 mg per serving; the middle half of products list 200 mg to 1,200 mg, the median 400 mg.48 mg

97% of 950 products listing chondroitin sulfate give more (median 400 mg). Per day at the most servings: 144 mg.

Source: NIH ODS Dietary Supplement Label Database, label 297000 (entered September 25, 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:

  • 89% of the 1,454 products that print an amount of methylsulfonylmethane list more than its 50 mg of methylsulfonylmethane (median 500 mg).
  • 97% of the 950 products that print an amount of chondroitin sulfate list more than its 48 mg of chondroitin sulfate (median 400 mg).

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?

2 products list the very same ingredients; the nearest amounts come first.

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: As a dietary supplement, take 1 capsules three times daily.
Warnings
Tamper Evident: Do not use this product if imprinted foil seal under cap is broken or missing.
Keep out of reach of children.
Caution: Do not take this product if you are pregnant, nursing or allergic to shell fish.
Contains crustacean shellfish (crab and shrimp) ingredients.
Allergens and what it does not contain
Gluten Free
Storage
Keep tightly closed. Store at room temperature: 59 degrees-86 degrees F (15 degrees to 30 degrees C).

Source: label statements in DSLD label 297000.

What else is on the label?

Other ingredients: Gelatin, Cellulose, Magnesium Stearate, Silica.

How many labels does JointFlex 900 have?

One label is on file, entered on September 25, 2023.

  1. Label 297000 (current) Entered September 25, 2023 · on the market · 90 capsules

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names Foster Regal Laboratories (distributor), White House, TN. All Foster Regal products.

Where next?