PlainVitamins

Essential Aminos

by Pure Encapsulations · capsule · 180 capsules

  • On the market (NIH)
  • UPC 7 66298 01769 3
  • DSLD label 261613
  • Serving 1 capsule
  • 180 servings

Essential Aminos by Pure Encapsulations lists 9 ingredients, 9 with an amount per serving of 1 capsule, such as 50 mg of L-histidine, 79 mg of L-isoleucine, 138 mg of L-leucine and 110 mg of L-lysine HCl. Its current label entered the NIH Dietary Supplement Label Database on February 23, 2022.

What is in Essential Aminos?

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).

Essential Aminos: Supplement Facts rows against the market (DSLD label 261613, January 2026 release)
IngredientAmount% DVAmong products listing it
L-Histidine50 mgHistidine in Essential Aminos against 591 products50 mg per serving; the middle half of products list 50 mg to 402.8 mg, the median 125 mg.50 mg

71% of 591 products listing histidine give more (median 125 mg). Per day at the most servings: 150 mg.

L-Isoleucine79 mgIsoleucine in Essential Aminos against 1,614 products0.079 g per serving; the middle half of products list 0.5 g to 1.5 g, the median 1.23 g.0.079 g

94% of 1,614 products listing isoleucine give more (median 1.23 g). Per day at the most servings: 0.237 g.

L-Leucine138 mgLeucine in Essential Aminos against 2,056 products0.138 g per serving; the middle half of products list 1 g to 3.5 g, the median 2.5 g.0.138 g

92% of 2,056 products listing leucine give more (median 2.5 g). Per day at the most servings: 0.414 g.

L-Lysine HCl110 mgLysine in Essential Aminos against 1,250 products110 mg per serving; the middle half of products list 148.25 mg to 996.25 mg, the median 500 mg.110 mg

78% of 1,250 products listing lysine give more (median 500 mg). Per day at the most servings: 330 mg.

L-Methionine70 mgMETHIONINE in Essential Aminos against 981 products70 mg per serving; the middle half of products list 25 mg to 250 mg, the median 100 mg.70 mg

55% of 981 products listing METHIONINE give more (median 100 mg). Per day at the most servings: 210 mg.

L-Phenylalanine115 mgPhenylalanine in Essential Aminos against 611 products115 mg per serving; the middle half of products list 100 mg to 597.5 mg, the median 250 mg.115 mg

68% of 611 products listing phenylalanine give more (median 250 mg). Per day at the most servings: 345 mg.

L-Threonine68 mgTHREONINE in Essential Aminos against 590 products68 mg per serving; the middle half of products list 140 mg to 886.25 mg, the median 500 mg.68 mg

83% of 590 products listing THREONINE give more (median 500 mg). Per day at the most servings: 204 mg.

L-Valine75 mgValine in Essential Aminos against 1,632 products0.075 g per serving; the middle half of products list 0.5 g to 1.5 g, the median 1.25 g.0.075 g

94% of 1,632 products listing valine give more (median 1.25 g). Per day at the most servings: 0.225 g.

L-Tryptophan20 mgTryptophan in Essential Aminos against 605 products20 mg per serving; the middle half of products list 55 mg to 471 mg, the median 123 mg.20 mg

90% of 605 products listing tryptophan give more (median 123 mg). Per day at the most servings: 60 mg.

Source: NIH ODS Dietary Supplement Label Database, label 261613 (entered February 23, 2022), 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?

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:

  • 94% of the 1,614 products that print an amount of isoleucine list more than its 0.079 g of L-isoleucine (filed by NIH under isoleucine) (median 1.23 g).
  • 92% of the 2,056 products that print an amount of leucine list more than its 0.138 g of L-leucine (filed by NIH under leucine) (median 2.5 g).
  • 94% of the 1,632 products that print an amount of valine list more than its 0.075 g of L-valine (filed by NIH under valine) (median 1.25 g).
  • 90% of the 605 products that print an amount of tryptophan list more than its 20 mg of L-tryptophan (filed by NIH under tryptophan) (median 123 mg).

The NIH database records 1 to 3 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
Recommendations: As a dietary supplement, take 1 capsule, 1-3 times daily, between meals.
Warnings
Warning: If you are pregnant or lactating, have any health condition or are taking any medication, consult your health professional before use.
Keep out of the reach of children.
Use only if safety seal is intact.
Allergens and what it does not contain
Certified Gluten-Free by the Gluten-Free Certification Organization, www.gluten.org
Gluten-free, Non-GMO & Hypoallergenic
GF (Gluten Free)
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 261613.

What else is on the label?

Other ingredients: Vegetarian Capsule, Ascorbyl Palmitate.

How many labels does Essential Aminos have?

4 labels are on file under this name since January 7, 2019: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 261613 (current) Entered February 23, 2022 · on the market · 180 capsules · UPC 7 66298 01769 3
  2. Label 246081 Entered March 25, 2021 · off the market July 21, 2022 · 180 capsules · UPC 7 66298 01769 3
  3. Label 218790 Entered April 23, 2020 · off the market October 19, 2018 · 180 capsules · UPC 7 66298 01769 3
  4. Label 182870 Entered January 7, 2019 · off the market December 16, 2020 · 180 capsules · UPC 7 66298 01769 3

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

Who makes it?

The label names Pure Encapsulations (manufacturer), Sudbury, MA. All Pure Encapsulations products.

Where next?