PlainVitamins

Amino Muscle

by Science of Alpha · capsule · 60 capsules

  • Off the market since February 2025 (NIH)
  • UPC 7 52423 49182 7
  • DSLD label 249481
  • Serving 2 capsules
  • 30 servings

Amino Muscle by Science of Alpha lists 6 ingredients, 3 with an amount per serving of 2 capsules, such as 100 mg of L-leucine, 50 mg of L-isoleucine and 25 mg of L-valine; 2 give their count of live cultures or enzyme activity instead of a weight; 1 sits inside a blend without its own amount. Its current label entered the NIH Dietary Supplement Label Database on July 27, 2021.

What is in Amino Muscle?

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).

Amino Muscle: Supplement Facts rows against the market (DSLD label 249481, January 2026 release)
IngredientAmount% DVAmong products listing it
Protease 3.0no amount given
Protease 4.5Protease 4.5 Note: 20,000 HUT
Protease 6Protease 6.0 Note: 20,000 HUT
L-Leucine100 mgLeucine in Amino Muscle against 2,056 products0.1 g per serving; the middle half of products list 1 g to 3.5 g, the median 2.5 g.0.1 g

93% of 2,056 products listing leucine give more (median 2.5 g).

L-Isoleucine50 mgIsoleucine in Amino Muscle against 1,614 products0.05 g per serving; the middle half of products list 0.5 g to 1.5 g, the median 1.23 g.0.05 g

96% of 1,614 products listing isoleucine give more (median 1.23 g).

L-Valine25 mgValine in Amino Muscle against 1,632 products0.025 g per serving; the middle half of products list 0.5 g to 1.5 g, the median 1.25 g.0.025 g

98% of 1,632 products listing valine give more (median 1.25 g).

Source: NIH ODS Dietary Supplement Label Database, label 249481 (entered July 27, 2021), version 9.4.0. See the label on DSLD. 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:

  • 93% of the 2,056 products that print an amount of leucine list more than its 0.1 g of L-leucine (filed by NIH under leucine) (median 2.5 g).
  • 96% of the 1,614 products that print an amount of isoleucine list more than its 0.05 g of L-isoleucine (filed by NIH under isoleucine) (median 1.23 g).
  • 98% of the 1,632 products that print an amount of valine list more than its 0.025 g of L-valine (filed by NIH under valine) (median 1.25 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 Amino Muscle'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: As a dietary supplement, adults take two (2) capsule daily with a meal.
Warnings
Keep out of the reach of children.
Caution: Do not exceed recommended serving.
This product is not intended for pregnant or nursing mothers, children under the age of 18, or individuals taking prescription drugs.
Discontinue use immediately if nausea, sleeplessness, or nervousness occur. Please consult your physician prior to using AminoMuscle.
Storage
Store product at room temperature. Do not expose to excessive heat or moisture.

Source: label statements in DSLD label 249481.

What else is on the label?

Other ingredients: Calcium Carbonate, Hypromellose, Magnesium Stearate, Silica.

How many labels does Amino Muscle have?

One label is on file, entered on July 27, 2021.

  1. Label 249481 (current) Entered July 27, 2021 · off the market February 18, 2025 · 60 capsules · UPC 7 52423 49182 7

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

Who makes it?

The label names Science of Alpha (distributor), Aventura, FL. All Science of Alpha products.

Where next?