PlainVitamins

Essential Amino Acids

by Double Wood Supplements · capsule · 225 capsules

  • On the market (NIH)
  • UPC 8 59793 00761 7
  • DSLD label 241772
  • Serving 3 capsules
  • 75 servings

Essential Amino Acids by Double Wood Supplements lists 9 ingredients, 9 with an amount per serving of 3 capsules, such as 205 mg of L-leucine, 185 mg of L-lysine, 141 mg of L-threonine and 141 mg of L-valine. Its current label entered the NIH Dietary Supplement Label Database on January 22, 2021.

What is in Essential Amino Acids?

Each row as the label prints it, per serving of 3 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).

Essential Amino Acids: Supplement Facts rows against the market (DSLD label 241772, January 2026 release)
IngredientAmount% DVAmong products listing it
L-Leucine205 mgLeucine in Essential Amino Acids against 2,056 products0.205 g per serving; the middle half of products list 1 g to 3.5 g, the median 2.5 g.0.205 g

90% of 2,056 products listing leucine give more (median 2.5 g). Per day at the most servings: 0.82 g.

L-Lysine185 mgLysine in Essential Amino Acids against 1,250 products185 mg per serving; the middle half of products list 148.25 mg to 996.25 mg, the median 500 mg.185 mg

71% of 1,250 products listing lysine give more (median 500 mg). Per day at the most servings: 740 mg.

L-Threonine141 mgTHREONINE in Essential Amino Acids against 590 products141 mg per serving; the middle half of products list 140 mg to 886.25 mg, the median 500 mg.141 mg

75% of 590 products listing THREONINE give more (median 500 mg). Per day at the most servings: 564 mg.

L-Valine141 mgValine in Essential Amino Acids against 1,632 products0.141 g per serving; the middle half of products list 0.5 g to 1.5 g, the median 1.25 g.0.141 g

91% of 1,632 products listing valine give more (median 1.25 g). Per day at the most servings: 0.564 g.

L-Isoleucine115 mgIsoleucine in Essential Amino Acids against 1,614 products0.115 g per serving; the middle half of products list 0.5 g to 1.5 g, the median 1.23 g.0.115 g

93% of 1,614 products listing isoleucine give more (median 1.23 g). Per day at the most servings: 0.46 g.

L-Phenylalanine72 mgPhenylalanine in Essential Amino Acids against 611 products72 mg per serving; the middle half of products list 100 mg to 597.5 mg, the median 250 mg.72 mg

81% of 611 products listing phenylalanine give more (median 250 mg). Per day at the most servings: 288 mg.

L-Histidine37 mgHistidine in Essential Amino Acids against 591 products37 mg per serving; the middle half of products list 50 mg to 402.8 mg, the median 125 mg.37 mg

80% of 591 products listing histidine give more (median 125 mg). Per day at the most servings: 148 mg.

L-Tryptophan37 mgTryptophan in Essential Amino Acids against 605 products37 mg per serving; the middle half of products list 55 mg to 471 mg, the median 123 mg.37 mg

87% of 605 products listing tryptophan give more (median 123 mg). Per day at the most servings: 148 mg.

L-Methionine35 mgMETHIONINE in Essential Amino Acids against 981 products35 mg per serving; the middle half of products list 25 mg to 250 mg, the median 100 mg.35 mg

70% of 981 products listing METHIONINE give more (median 100 mg). Per day at the most servings: 140 mg.

Source: NIH ODS Dietary Supplement Label Database, label 241772 (entered January 22, 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:

  • 91% of the 1,632 products that print an amount of valine list more than its 0.141 g of L-valine (filed by NIH under valine) (median 1.25 g).
  • 93% of the 1,614 products that print an amount of isoleucine list more than its 0.115 g of L-isoleucine (filed by NIH under isoleucine) (median 1.23 g).

The NIH database records 1 to 4 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?

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
Suggested Use: As a dietary supplement, take 3 capsules per day on an empty stomach. Do not exceed 12 capsules in one day.
Warnings
Warning: Consult your physician before use.
Do not use Essential Amino Acids if you are pregnant, nursing, or are under 18 years of age.
Discontinue use and consult your doctor immediately if any adverse reactions occur.
Do not use Essential Amino Acids and operate heavy machinery until you know how it affects you.
Do not use Essential Amino Acids if you are pregnant, nursing, or are under 18 years of age. Keep out of reach of children.
Do not exceed 12 capsules per day.

Source: label statements in DSLD label 241772.

What else is on the label?

Other ingredients: Gelatin Capsule, Cellulose, Magnesium Stearate.

How many labels does Essential Amino Acids have?

One label is on file, entered on January 22, 2021.

  1. Label 241772 (current) Entered January 22, 2021 · on the market · 225 capsules · UPC 8 59793 00761 7

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

Who makes it?

The label names Double Wood LLC (distributor), Philadelphia, PA, United States. All Double Wood Supplements products.

Where next?