PlainVitamins

Joint Rebuild

by Signature Supplements · capsule · 100 capsules

  • On the market (NIH)
  • DSLD label 338798
  • Serving 2 capsules
  • 50 servings

Joint Rebuild by Signature Supplements lists 6 ingredients, 6 with an amount per serving of 2 capsules, such as 185 mg of coral calcium, 180 mg of glucosamine sulfate, 170 mg of methylsulfonylmethane and 120 mg of chondroitin sulfate. Its current label entered the NIH Dietary Supplement Label Database on August 22, 2025.

What is in Joint Rebuild?

Each row as the label prints it, per serving of 2 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 Rebuild: Supplement Facts rows against the market (DSLD label 338798, January 2026 release)
IngredientAmount% DVAmong products listing it
Coral Calcium185 mg19%Calcium in Joint Rebuild against 17,831 products185 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg185 mg

Higher than 63% of 17,831 products listing calcium (median 115 mg).

Glucosamine Sulfate180 mgGlucosamine Sulfate in Joint Rebuild against 875 products0.18 g per serving; the middle half of products list 0.5 g to 1.5 g, the median 1 g.0.18 g

94% of 875 products listing glucosamine sulfate give more (median 1 g).

Methylsulfonylmethane170 mgMethylsulfonylmethane in Joint Rebuild against 1,454 products170 mg per serving; the middle half of products list 150 mg to 1,000 mg, the median 500 mg.170 mg

73% of 1,454 products listing methylsulfonylmethane give more (median 500 mg).

Chondroitin Sulfate120 mgChondroitin Sulfate in Joint Rebuild against 950 products120 mg per serving; the middle half of products list 200 mg to 1,200 mg, the median 400 mg.120 mg

86% of 950 products listing chondroitin sulfate give more (median 400 mg).

Bromelain50 mgBromelain in Joint Rebuild against 1,337 products50 mg per serving; the middle half of products list 25 mg to 200 mg, the median 50 mg.50 mg

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

Papaya50 mgPapaya in Joint Rebuild against 250 products50 mg per serving; the middle half of products list 25 mg to 150 mg, the median 50 mg.50 mg

45% of 250 products listing papaya give more (median 50 mg).

Source: NIH ODS Dietary Supplement Label Database, label 338798 (entered August 22, 2025), 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:

  • 94% of the 875 products that print an amount of glucosamine sulfate list more than its 0.18 g of glucosamine sulfate (median 1 g).

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 Rebuild'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: For adults, take two (2) capsules daily, more if needed.
Warnings
Keep out of reach of children store in a dry place and avoid excessive heat.
As a reminder, discuss the supplements and medications you take with your health care providers.
Allergens and what it does not contain
No: chemical fillers or binders, artificial coloring, artificial flavor, preservatives, yeast, corn, milk or milk derivatives, lactose, salt, sodium, soy, sugar, gluten, starch or wheat.

Source: label statements in DSLD label 338798.

What else is on the label?

Other ingredients: Cellulose, Diatomaceous Earth.

How many labels does Joint Rebuild have?

One label is on file, entered on August 22, 2025.

  1. Label 338798 (current) Entered August 22, 2025 · on the market · 100 capsules

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

Who makes it?

The label names Signature Supplements (distributor), San Clemente, CA. All Signature Supplements products.

Where next?