PlainVitamins

Maximum Joint Effort

by ProCaps Laboratories · capsule · 360 easy-to-swallow capsules

  • Off the market since February 2025 (NIH)
  • UPC 770512
  • DSLD label 320151
  • Serving 1 packet (6 capsules)
  • 60 servings

Maximum Joint Effort by ProCaps Laboratories lists 8 ingredients, 8 with an amount per serving of 1 packet, such as 10 mg of vitamin C, 80 mg of calcium, 230 mg of potassium and 1,500 mg of glucosamine sulfate. Its current label entered the NIH Dietary Supplement Label Database on November 22, 2024.

What is in Maximum Joint Effort?

Each row as the label prints it, per serving of 1 packet. 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).

Maximum Joint Effort: Supplement Facts rows against the market (DSLD label 320151, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Cas Ascorbyl Palmitate10 mg11%Vitamin C in Maximum Joint Effort against 18,583 products10 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg10 mg

95% of 18,583 products listing vitamin C give more (median 100 mg).

Calciumas Calcium Chondroitin Sulfate80 mg6%Calcium in Maximum Joint Effort against 17,831 products80 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg80 mg

62% of 17,831 products listing calcium give more (median 115 mg).

Potassiumas Potassium Glucosamine Sulfate230 mg5%Potassium in Maximum Joint Effort against 11,614 products230 mg per serving; the middle half of products list 50 mg to 190 mg, the median 99 mg.DV 4,700 mg230 mg

Higher than 83% of 11,614 products listing potassium (median 99 mg).

Glucosamine Sulfate1,500 mgGlucosamine Sulfate in Maximum Joint Effort 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).

Potassium Glucosamine Sulfate2,000 mg
Chondroitin Sulfateas Calcium Chondroitin Sulfate1,200 mgChondroitin Sulfate in Maximum Joint Effort against 950 products1,200 mg per serving; the middle half of products list 200 mg to 1,200 mg, the median 400 mg.1,200 mg

Higher than 74% of 950 products listing chondroitin sulfate (median 400 mg).

Methylsulfonylmethane800 mgMethylsulfonylmethane in Maximum Joint Effort against 1,454 products800 mg per serving; the middle half of products list 150 mg to 1,000 mg, the median 500 mg.800 mg

Higher than 70% of 1,454 products listing methylsulfonylmethane (median 500 mg).

Curcumin Phospholipid Complexas Phospholipids, Turmeric Root Extract95% extract100 mgCurcumin in Maximum Joint Effort against 550 products100 mg per serving; the middle half of products list 50 mg to 400 mg, the median 200 mg.100 mg

57% of 550 products listing curcumin give more (median 200 mg).

Source: NIH ODS Dietary Supplement Label Database, label 320151 (entered November 22, 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:

  • 95% of the 18,583 products that print an amount of vitamin C list more than its 10 mg of vitamin C (median 100 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?

1 product lists 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
Suggested Use Consume one packet (6 capsules) daily - preferably with food. You can decrease your intake based upon your needs and as guided by your health care provider.
Warnings
Contains an ingredient derived from the shells of shellfish (shrimp, crab and crawfish).
Allergens and what it does not contain
Sodium-free
Typical joint products use inferior sources of both glucosamine and chondroitin, which do not possess their clinically established benefits and can adversely affect blood pressure by adding unnecessary sodium.
Contains no milk, soy, yeast, corn, wheat, gluten, sodium, salt, sugar, starch, cholesterol, emulsifier, wax, binder, filler, excipient, lubricant, coating, diluent, flowing agent, color, flavor, sweetener or preservative. Contains no additive of any kind

Source: label statements in DSLD label 320151.

What else is on the label?

Other ingredients: Gelatin.

How many labels does Maximum Joint Effort have?

6 labels are on file under this name since January 25, 2012: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 320151 (current) Entered November 22, 2024 · off the market February 14, 2025 · 360 easy-to-swallow capsules · UPC 770512
  2. Label 275269 Entered October 24, 2022 · off the market December 13, 2023 · 60 perma-fresh packets(TM) · UPC 770512
  3. Label 220116 Entered May 22, 2020 · off the market February 4, 2022 · 60 perma-fresh packetss · UPC 675136
  4. Label 57332 Entered March 24, 2016 · off the market April 2, 2020 · 300 easy-to-swallow capsules
  5. Label 29713 Entered January 24, 2014 · off the market January 26, 2016 · 360 easy to swallow capsules
  6. Label 4731 Entered January 25, 2012 · off the market January 1, 2012 · 60 perma-fresh packets(TM)

DSLD also links this label to: Maximum Joint Effort (image difference, same product).

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

Who makes it?

The label names ProCaps Labs (manufacturer), Henderson, NV. All ProCaps Laboratories products.

Where next?