PlainVitamins

Mega Joint 4x

by GreeNatr Premium · capsule · 60 capsules

  • On the market (NIH)
  • UPC X000XSRC65
  • DSLD label 236975
  • Serving 3 capsules
  • 20 servings

Mega Joint 4x by GreeNatr Premium lists 4 ingredients, 4 with an amount per serving of 3 capsules, such as 1,500 mg of glucosamine sulfate, 750 mg of chondroitin, 300 mg of MSM and 300 mg of collagen. Its current label entered the NIH Dietary Supplement Label Database on September 25, 2020.

What is in Mega Joint 4x?

Each row as the label prints it, per serving of 3 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).

Mega Joint 4x: Supplement Facts rows against the market (DSLD label 236975, January 2026 release)
IngredientAmount% DVAmong products listing it
Glucosamine Sulfate1,500 mgGlucosamine Sulfate in Mega Joint 4x against 875 products1.5 g per serving; the middle half of products list 0.5 g to 1.5 g, the median 1 g.1.5 g

Higher than 64% of 875 products listing glucosamine sulfate (median 1 g).

Chondroitin750 mgChondroitin (unspecified) in Mega Joint 4x against 47 products750 mg per serving; the middle half of products list 157 mg to 850 mg, the median 400 mg.750 mg

Higher than 70% of 47 products listing chondroitin (unspecified) (median 400 mg).

MSM300 mgMethylsulfonylmethane in Mega Joint 4x against 1,454 products300 mg per serving; the middle half of products list 150 mg to 1,000 mg, the median 500 mg.300 mg

56% of 1,454 products listing methylsulfonylmethane give more (median 500 mg).

Collagen300 mgCollagen in Mega Joint 4x against 1,008 products0.3 g per serving; the middle half of products list 0.1 g to 4.2 g, the median 1 g.0.3 g

64% of 1,008 products listing collagen give more (median 1 g).

Source: NIH ODS Dietary Supplement Label Database, label 236975 (entered September 25, 2020), 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 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 Mega Joint 4x's, rare ingredients counting for more.

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
Adults - Take three (3) capsules daily, before bedtime, as a dietary supplement preferably with meals.
Warnings
Caution: Do not exceed recommended dose.
Pregnant or nursing mothers, children under 18 years of age and individuals with medical conditions should consult a health practitioner before using any dietary supplement.
Do not use if safety seal is broken or missing.
Keep out of reach of children.
Allergens and what it does not contain
Gluten free
Storage
Important: Store tightly closed in a dry place at controlled temperature of 59-86 degrees F

Source: label statements in DSLD label 236975.

What else is on the label?

Other ingredients: Dicalcium Phosphate, Veggie Capsule, Magnesium Stearate.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): GMP Good Manufacturing Practice product Made in USA.

How many labels does Mega Joint 4x have?

One label is on file, entered on September 25, 2020.

  1. Label 236975 (current) Entered September 25, 2020 · on the market · 60 capsules · UPC X000XSRC65

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

Who makes it?

The label names NHW Labs, Inc. (distributor), Pembroke Pines, FL. All GreeNatr Premium products.

Where next?