PlainVitamins

Joint Support

by Iron Brothers Supplements · capsule · 90 capsules

  • On the market (NIH)
  • UPC X001IDH3I1
  • DSLD label 263522
  • Serving 3 capsules
  • 30 servings

Joint Support by Iron Brothers Supplements lists 9 ingredients, 9 with an amount per serving of 3 capsules, such as 1,500 mg of glucosamine sulfate 2KCl, 210 mg of boswellia serrata extract, 150 mg of chondroitin sulfate and 150 mg of turmeric powder. Its current label entered the NIH Dietary Supplement Label Database on May 19, 2022.

What is in Joint Support?

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).

Joint Support: Supplement Facts rows against the market (DSLD label 263522, January 2026 release)
IngredientAmount% DVAmong products listing it
Glucosamine Sulfate 2KCl80 Mesh1,500 mgGlucosamine Sulfate in Joint Support 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).

Boswellia serrata Extractas Boswellic AcidsStd. to 50% Boswellic acid210 mgBoswellia in Joint Support against 665 products210 mg per serving; the middle half of products list 100 mg to 290 mg, the median 135 mg.210 mg

Higher than 69% of 665 products listing boswellia (median 135 mg).

Chondroitin Sulfate150 mgChondroitin Sulfate in Joint Support against 950 products150 mg per serving; the middle half of products list 200 mg to 1,200 mg, the median 400 mg.150 mg

80% of 950 products listing chondroitin sulfate give more (median 400 mg).

Turmeric powderOrganic150 mgTurmeric in Joint Support against 2,369 products150 mg per serving; the middle half of products list 50 mg to 500 mg, the median 150 mg.150 mg

50% of 2,369 products listing turmeric give more (median 150 mg).

Quercetin Dihydrate25 mgQuercetin in Joint Support against 1,548 products25 mg per serving; the middle half of products list 26.5 mg to 250 mg, the median 100 mg.25 mg

75% of 1,548 products listing quercetin give more (median 100 mg).

L-Methionine25 mgMETHIONINE in Joint Support against 981 products25 mg per serving; the middle half of products list 25 mg to 250 mg, the median 100 mg.25 mg

73% of 981 products listing METHIONINE give more (median 100 mg).

Methylsulfonylmethane25 mgMethylsulfonylmethane in Joint Support against 1,454 products25 mg per serving; the middle half of products list 150 mg to 1,000 mg, the median 500 mg.25 mg

93% of 1,454 products listing methylsulfonylmethane give more (median 500 mg).

Bromelain2400 GDU25 mgBromelain in Joint Support against 1,337 products25 mg per serving; the middle half of products list 25 mg to 200 mg, the median 50 mg.25 mg

66% of 1,337 products listing bromelain give more (median 50 mg).

BioPerine5 mgBlack Pepper in Joint Support against 2,363 products5 mg per serving; the middle half of products list 5 mg to 10 mg, the median 5 mg.5 mg

33% of 2,363 products listing black pepper give more (median 5 mg).

Source: NIH ODS Dietary Supplement Label Database, label 263522 (entered May 19, 2022), 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:

  • 93% of the 1,454 products that print an amount of methylsulfonylmethane list more than its 25 mg of methylsulfonylmethane (median 500 mg).

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 Joint Support'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
Directions Take 3 capsules once daily with breakfast or lunch. For maximum effect, take daily for at least 30 days combined with a healthy exercise routine.
Warnings
Warnings Do not exceed recommended daily dosage.
This product should only be taken by healthy individuals at least 18 years of age or older Keep out of reach of children.
Do not consume if pregnant or nursing.
You should not take this product with alcohol. Discontinue use and consult a medical doctor if you experience unusual symptoms. Do not use if safety seal is damaged or missing.
Contains: Shellfish
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 263522.

What else is on the label?

Other ingredients: Vegetable Capsule, OrganiFlow.

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

How many labels does Joint Support have?

One label is on file, entered on May 19, 2022.

  1. Label 263522 (current) Entered May 19, 2022 · on the market · 90 capsules · UPC X001IDH3I1

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

Who makes it?

The label names Iron Brothers Supplements (distributor), Las Vegas, NV, United States. All Iron Brothers Supplements products.

Where next?