PlainVitamins

Muscle Mass

by Beverly International · tablet or pill · 150 tablets

  • On the market (NIH)
  • UPC 8 57254 00063 4
  • DSLD label 332837
  • Serving 5 tablets
  • 30 servings

Muscle Mass by Beverly International lists 3 ingredients, 3 with an amount per serving of 5 tablets, such as 2,500 mg of L-leucine, 1,000 mg of L-isoleucine and 1,000 mg of L-valine. Its current label entered the NIH Dietary Supplement Label Database on July 24, 2025.

What is in Muscle Mass?

Each row as the label prints it, per serving of 5 tablets. 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).

Muscle Mass: Supplement Facts rows against the market (DSLD label 332837, January 2026 release)
IngredientAmount% DVAmong products listing it
L-Leucine2,500 mgLeucine in Muscle Mass against 2,056 products2.5 g per serving; the middle half of products list 1 g to 3.5 g, the median 2.5 g.2.5 g

42% of 2,056 products listing leucine give more (median 2.5 g).

L-Isoleucine1,000 mgIsoleucine in Muscle Mass against 1,614 products1 g per serving; the middle half of products list 0.5 g to 1.5 g, the median 1.23 g.1 g

53% of 1,614 products listing isoleucine give more (median 1.23 g).

L-Valine1,000 mgValine in Muscle Mass against 1,632 products1 g per serving; the middle half of products list 0.5 g to 1.5 g, the median 1.25 g.1 g

54% of 1,632 products listing valine give more (median 1.25 g).

Source: NIH ODS Dietary Supplement Label Database, label 332837 (entered July 24, 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 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?

6 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
Use: Take 5 tablets daily. The best times to take Muscle Mass are upon arising, and before, during or after working out.
Warnings
Caution: For adults only. Keep out of reach of children.
Consult physician if pregnant/nursing, taking medication, or have a medical condition.

Source: label statements in DSLD label 332837.

What else is on the label?

Other ingredients: Dicalcium Phosphate, Microcrystalline Cellulose, Stearic Acid, Croscarmellose Sodium, Silicon Dioxide, Magnesium Stearate, Hydroxypropylcellulose, Gum Acacia, Hydroxypropylmethylcellulose, Polyethylene Glycol, micronized Wax, Talc.

How many labels does Muscle Mass have?

One label is on file, entered on July 24, 2025.

  1. Label 332837 (current) Entered July 24, 2025 · on the market · 150 tablets · UPC 8 57254 00063 4

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

Who makes it?

The label names Beverly International Nutrition, Inc (manufacturer), Cold Spring, KY. All Beverly International products.

Where next?