PlainVitamins

MSM Plus

by Karuna · capsule · 120 vegetarian capsules

  • On the market (NIH)
  • UPC 0 18647 09123 7
  • DSLD label 327120
  • Serving 2 capsules
  • 60 servings

MSM Plus by Karuna lists 3 ingredients, 3 with an amount per serving of 2 capsules, such as 1,125 mg of methylsulfonylmethane, 350 mg of boswellia serrata and 200 mg of curcumin. Its current label entered the NIH Dietary Supplement Label Database on March 25, 2025.

What is in MSM Plus?

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).

MSM Plus: Supplement Facts rows against the market (DSLD label 327120, January 2026 release)
IngredientAmount% DVAmong products listing it
Methylsulfonylmethane1,125 mgMethylsulfonylmethane in MSM Plus against 1,454 products1,125 mg per serving; the middle half of products list 150 mg to 1,000 mg, the median 500 mg.1,125 mg

Higher than 87% of 1,454 products listing methylsulfonylmethane (median 500 mg). Per day at the most servings: 2,250 mg.

Boswellia serrataas Boswellic Acidsstandardized to 65% boswellic acids350 mgBoswellia serrata in MSM Plus against 50 products350 mg per serving; the middle half of products list 100 mg to 291.25 mg, the median 100 mg.350 mg

Higher than 82% of 50 products listing boswellia serrata (median 100 mg). Per day at the most servings: 700 mg.

Curcuminas Curcuma longastandardized to 95% curcumin200 mgCurcumin in MSM Plus against 550 products200 mg per serving; the middle half of products list 50 mg to 400 mg, the median 200 mg.200 mg

42% of 550 products listing curcumin give more (median 200 mg). Per day at the most servings: 400 mg.

Source: NIH ODS Dietary Supplement Label Database, label 327120 (entered March 25, 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?

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 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?

The products whose ingredient lists overlap most with MSM Plus'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
Suggested use for adults: Two capsules, two times daily with meals, or as directed by your health care practitioner.
Warnings
This product is intended for professional use and is manufactured under strict quality control to ensure the optimum in purity, potency and reliability.
Allergens and what it does not contain
This product contains no yeast, wheat, soy, corn, milk, salt, sugar, artificial coloring, preservatives or flavoring.
Storage
Keep in a cool, dry place, tightly capped.

Source: label statements in DSLD label 327120.

What else is on the label?

Other ingredients: Hypromellose, Water, Vegetable Stearine, Silica.

How many labels does MSM Plus have?

3 labels are on file under this name since August 23, 2013: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 327120 (current) Entered March 25, 2025 · on the market · 120 vegetarian capsules · UPC 0 18647 09123 7
  2. Label 35814 Entered July 25, 2014 · off the market September 28, 2023 · 120 vegetarian capsules · UPC 0 18647 09123 7
  3. Label 24680 Entered August 23, 2013 · off the market July 9, 2014 · 120 vegetarian capsules

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

Who makes it?

The label names Karuna Corporation (manufacturer), Novato, CA. All Karuna products.

Where next?