PlainVitamins

JointXtra

by Wonder Laboratories · capsule · 90 capsules

  • On the market (NIH)
  • UPC 0 99528 90090 9
  • DSLD label 315206
  • Serving 1 capsule
  • 90 servings

JointXtra by Wonder Laboratories lists 6 ingredients, 6 with an amount per serving of 1 capsule, such as 600 mg of glucosamine sulfate, 100 mg of collagen, 52 mg of cetyl myristoleate and 50 mg of methylsulfonylmethane. Its current label entered the NIH Dietary Supplement Label Database on June 20, 2024.

What is in JointXtra?

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).

JointXtra: Supplement Facts rows against the market (DSLD label 315206, January 2026 release)
IngredientAmount% DVAmong products listing it
Glucosamine Sulfate600 mgGlucosamine Sulfate in JointXtra 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 JointXtra 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 MyristoleateCM52 mgCetyl Myristoleate in JointXtra 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 JointXtra 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 JointXtra 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 JointXtra 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 315206 (entered June 20, 2024), 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 capsule 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 & 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 315206.

What else is on the label?

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

How many labels does JointXtra have?

4 labels are on file under this name since November 19, 2021: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 315206 (current) Entered June 20, 2024 · on the market · 90 capsules · UPC 0 99528 90090 9
  2. Label 262901 Entered January 22, 2022 · on the market · 270 capsules
  3. Label 262900 Entered January 22, 2022 · on the market · 90 capsules
  4. Label 260883 Entered November 19, 2021 · on the market · 60 capsules

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

Who makes it?

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

Where next?