PlainVitamins

Branched Chain Amino Acid

by Douglas Laboratories · capsule · 120 capsules

  • On the market (NIH)
  • UPC 3 10539 03668 6
  • DSLD label 5380
  • Serving 1 to 4 capsules; amounts per 1 capsule
  • 120 servings

Branched Chain Amino Acid by Douglas Laboratories lists 4 ingredients, 4 with an amount per serving of 1 capsule, such as 300 mg of L-leucine, 150 mg of L-isoleucine, 150 mg of L-valine and 10 mg of L-threonine. Its current label entered the NIH Dietary Supplement Label Database on February 23, 2012.

What is in Branched Chain Amino Acid?

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

Branched Chain Amino Acid: Supplement Facts rows against the market (DSLD label 5380, January 2026 release)
IngredientAmount% DVAmong products listing it
L-Leucine300 mgLeucine in Branched Chain Amino Acid against 2,056 products0.3 g per serving; the middle half of products list 1 g to 3.5 g, the median 2.5 g.0.3 g

88% of 2,056 products listing leucine give more (median 2.5 g).

L-Isoleucine150 mgIsoleucine in Branched Chain Amino Acid against 1,614 products0.15 g per serving; the middle half of products list 0.5 g to 1.5 g, the median 1.23 g.0.15 g

90% of 1,614 products listing isoleucine give more (median 1.23 g).

L-Valine150 mgValine in Branched Chain Amino Acid against 1,632 products0.15 g per serving; the middle half of products list 0.5 g to 1.5 g, the median 1.25 g.0.15 g

90% of 1,632 products listing valine give more (median 1.25 g).

L-Threonine10 mgTHREONINE in Branched Chain Amino Acid against 590 products10 mg per serving; the middle half of products list 140 mg to 886.25 mg, the median 500 mg.10 mg

97% of 590 products listing THREONINE give more (median 500 mg).

Source: NIH ODS Dietary Supplement Label Database, label 5380 (entered February 23, 2012), 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:

  • 90% of the 1,614 products that print an amount of isoleucine list more than its 0.15 g of L-isoleucine (filed by NIH under isoleucine) (median 1.23 g).
  • 90% of the 1,632 products that print an amount of valine list more than its 0.15 g of L-valine (filed by NIH under valine) (median 1.25 g).
  • 97% of the 590 products that print an amount of THREONINE list more than its 10 mg of L-threonine (filed by NIH under THREONINE) (median 500 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 Usage: As a dietary supplement, adults take 1-4 capsules daily or as directed by your healthcare professional.
Warnings
KEEP OUT OF REACH OF CHILDREN.
Tamper resistant package, do not use if outer seal is missing.
Allergens and what it does not contain
This product contains NO yeast, wheat gluten, soy protein, milk/dairy, corn, sodium, sugar, starch, artificial coloring, preservatives or flavoring.
Storage
For optimal storage conditions, store in a cool, dry place. (59(0)-77(0)F/15(0)-25(0)C) (35-65% relative humidity)

Source: label statements in DSLD label 5380.

What else is on the label?

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

How many labels does Branched Chain Amino Acid have?

One label is on file, entered on February 23, 2012.

  1. Label 5380 (current) Entered February 23, 2012 · on the market · 120 capsules · UPC 3 10539 03668 6

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

Who makes it?

The label names Douglas Laboratories (manufacturer), Pittsburgh, PA. All Douglas Laboratories products.

Where next?