L-Isoleucine 2,000 mg
by Nutricost · capsule · 240 capsules
- On the market (NIH)
- UPC 7 02669 93441 1
- DSLD label 306320
- Serving 1 to 4 capsules; amounts per 4 capsules
- 60 servings
L-Isoleucine 2,000 mg by Nutricost lists one ingredient: 2,000 mg of L-isoleucine per serving of 4 capsules. Its current label entered the NIH Dietary Supplement Label Database on March 22, 2024.
What is in L-Isoleucine 2,000 mg?
Each row as the label prints it, per serving of 4 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).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| L-Isoleucine | 2,000 mg | Higher than 89% of 1,614 products listing isoleucine (median 1.23 g). |
Source: NIH ODS Dietary Supplement Label Database, label 306320 (entered March 22, 2024), 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?
3 products list the very same ingredients; the nearest amounts come first.
- 100% Pure L-IsoleucineNutraBio same ingredients
- L-IsoleucineBulkSupplements.com same ingredients
- L-Isoleucine 500 mgDouglas Laboratories same ingredients
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 1-4 capsules daily with 8-12 oz of water or as directed by your healthcare professional.
- Warnings
- Warning: For healthy individuals 18 years and older.
- Consult a healthcare professional prior to use if you are pregnant or nursing, taking medication, or have a medical condition.
- Keep out of reach of children.
- Do not use if safety seal is broken or missing.
- Allergens and what it does not contain
- Non-GMO Gluten-free
- Non-GMO product
- Storage
- Notice: Store in a cool, dry place.
Source: label statements in DSLD label 306320.
What else is on the label?
Other ingredients: Rice Flour, Gelatin, Stearic Acid, Magnesium Stearate.
Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Nutricost Quality Guaranteed Third Party Tested GMP Compliant Facility.
How many labels does L-Isoleucine 2,000 mg have?
3 labels are on file under this name since August 22, 2017: other sizes, label designs and reformulations. The current one leads this page.
- Label 306320 (current) Entered March 22, 2024 · on the market · 240 capsules · UPC 7 02669 93441 1
- Label 269674 Entered July 21, 2022 · on the market · 240 capsules · UPC 7 02669 93441 1
- Label 77188 Entered August 22, 2017 · off the market December 20, 2021 · 240 capsules · UPC 7 02669 93441 1
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Nutricost (distributor), Vineyard, UT. All Nutricost products.