100% Pure L-Isoleucine
by NutraBio · powder · 150 grams
- On the market (NIH)
- UPC 6 49908 23250 4
- DSLD label 50934
- Serving 2 g (2 scoops)
- 75 servings
100% Pure L-Isoleucine by NutraBio lists one ingredient: 2,000 mg of L-isoleucine per serving of 2 g. Its current label entered the NIH Dietary Supplement Label Database on September 25, 2015.
What is in 100% Pure L-Isoleucine?
Each row as the label prints it, per serving of 2 g. 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). Per day at the most servings: 6 g. |
Source: NIH ODS Dietary Supplement Label Database, label 50934 (entered September 25, 2015), 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?
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 2 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?
3 products list the very same ingredients; the nearest amounts come first.
- L-Isoleucine 2,000 mgNutricost 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
- 1 serving - Mixed with - 8-16 oz. - Favorite Beverage - 2-3x daily
- Suggested Use: As a dietary supplement, take 2 level scoops (2000 mg) mixed into your favorite beverage 2 to 3 times daily, or as directed by your physician. Mix for 20 seconds using a shaker cup or mix thoroughly with a spoon. May be hygroscopic and may clump during storage which will not affect the quality of the product.
- Warnings
- If you are pregnant, breast feeding, have known medical conditions (including kidney or liver disease) or are taking prescription or OTC medication(s) consult with your health care practitioner before using this product.
- Warning: Not intended for use by persons under the age of 18. Keep out of the reach of children.
- Allergens and what it does not contain
- No fillers - No excipients - No additives
- Free of Harmful Impurities
- Allergen Free - Non-GMO - Gluten Free - BSE/TSE Free
- Storage
- Store in a cool dry place.
Source: label statements in DSLD label 50934.
What else is on the label?
Other ingredients: Absolutely None.
Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): True Label Full Label Disclosure; OU; Since 1996; Made in a GMP & FDA Inspected Facility.
How many labels does 100% Pure L-Isoleucine have?
One label is on file, entered on September 25, 2015.
- Label 50934 (current) Entered September 25, 2015 · on the market · 150 grams · UPC 6 49908 23250 4
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names NutraBio Labs, Inc. (manufacturer), Middlesex, NJ . All NutraBio products.