PlainVitamins

Joint Support

by DC · capsule · 120 capsules

  • On the market (NIH)
  • DSLD label 265942
  • Serving 2 capsules
  • 60 servings

Joint Support by DC lists 6 ingredients, 6 with an amount per serving of 2 capsules, such as 250 mg of vitamin C, 50 mg of calcium, 10 mg of zinc and 250 mg of glucosamine sulfate 2NaCl. Its current label entered the NIH Dietary Supplement Label Database on April 11, 2022.

What is in Joint Support?

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 Support: Supplement Facts rows against the market (DSLD label 265942, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Cas L-Ascorbic Acid250 mg278%Vitamin C in Joint Support against 18,583 products250 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg250 mg

Higher than 68% of 18,583 products listing vitamin C (median 100 mg). Per day at the most servings: 500 mg.

Calciumas Calcium Carbonate50 mg4%Calcium in Joint Support against 17,831 products50 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg50 mg

72% of 17,831 products listing calcium give more (median 115 mg). Per day at the most servings: 100 mg.

Zincas Zinc Oxide10 mg91%Zinc in Joint Support against 13,186 products10 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg10 mg

51% of 13,186 products listing zinc give more (median 11 mg). Per day at the most servings: 20 mg.

Glucosamine Sulfate 2NaCl250 mgGlucosamine Sulfate in Joint Support against 875 products0.25 g per serving; the middle half of products list 0.5 g to 1.5 g, the median 1 g.0.25 g

89% of 875 products listing glucosamine sulfate give more (median 1 g). Per day at the most servings: 0.5 g.

Chondroitin Sulfate200 mgChondroitin Sulfate in Joint Support against 950 products200 mg per serving; the middle half of products list 200 mg to 1,200 mg, the median 400 mg.200 mg

66% of 950 products listing chondroitin sulfate give more (median 400 mg). Per day at the most servings: 400 mg.

Collagen Hydrolysate450 mgCollagen in Joint Support against 1,008 products0.45 g per serving; the middle half of products list 0.1 g to 4.2 g, the median 1 g.0.45 g

61% of 1,008 products listing collagen give more (median 1 g). Per day at the most servings: 0.9 g.

Source: NIH ODS Dietary Supplement Label Database, label 265942 (entered April 11, 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:

  • 89% of the 875 products that print an amount of glucosamine sulfate list more than its 0.25 g of glucosamine sulfate (median 1 g).

The NIH database records 2 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 2 capsules twice daily with morning and evening meals.
Warnings
Tamper Evident: Do not use this product if imprinted foil seal under cap is broken or missing.
Keep out of reach of children.
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 265942.

What else is on the label?

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

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Quali Pure.

How many labels does Joint Support have?

3 labels are on file under this name since February 25, 2021: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 265942 (current) Entered April 11, 2022 · on the market · 120 capsules
  2. Label 266465 Entered February 23, 2022 · on the market · 120 capsules · UPC 0 52301 19812 2
  3. Label 244655 Entered February 25, 2021 · on the market · 120 capsules

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

Who makes it?

The label names Dee Cee Laboratories, Inc. (manufacturer), White House, TN. All DC products.

Where next?