Sports nutrition · ON Optimum Nutrition
Pro BCAA & Glutamine Support Unflavored
Why ON Optimum Nutrition bcaa?
- 230 mg vitamin c per serving
- 383% of the daily value
From the label’s panel and printed marks — not its marketing.
Supplement Facts
Serving size 1 scoop (15.5 g)
Vitamin C230 mg
Sodium100 mg
Potassium50 mg
2:1:1 BCAA Blend8 grams
L-Glutamine5 grams
PhytoBlend160 mg
Full panel ↓Sold as food, not medicine — no regulator checked that it works
Per serving · 1 scoop (15.5 g)
At a glance
From the label as printed · NIH DSLD
Sports supplement · Powder
Per serving230 mg vitamin c
383% of the daily value — our arithmetic on the label’s own numbers
20 servings per container
Mix 1 scoop of PRO BCAA(TM) in 10-12 oz of cold water or your favorite beverage and consume before, during or after exercise.
One serving: 1 scoop (15.5 g)
ALLERGEN INFORMATION: Contains Soy (Lecithin) Ingredients.
No third-party testing mark on the label
Marks like NSF Certified for Sport or Informed Sport mean batches are tested for banned substances. Their absence does not mean a product is contaminated — only that nobody independent has said it isn’t.
- Sports nutrition — claims are the manufacturer’s
- Adult (18 - 50 Years)
Supplement Facts
Supplement Facts
Serving size 1 scoop (15.5 g)
Servings per container 20
| Amount per serving | % DV | |
|---|---|---|
| Vitamin C (Acerola fruit extract) | 230 mg | 383% |
| Sodium (Sodium Chloride) | 100 mg | 4% |
| Potassium (Potassium Chloride) | 50 mg | 1% |
| 2:1:1 BCAA Blend | 8 grams | † |
| L-Leucine | 0 NP | |
| L-Isoleucine | 0 NP | |
| L-Valine | 0 NP | |
| L-Glutamine | 5 grams | † |
| PhytoBlend | 160 mg | † |
| Grape seed extract | 0 NP | |
| Red Wine Grape Extract | 0 NP | |
| Citrus Bioflavonoids | 0 NP |
† Daily Value not established.
- Vitamin C230 mg383%
- Potassium50 mg1%
Other ingredients: Silicon Dioxide, Calcium Silicate, Salt, Lecithin, Potassium Chloride
Transcribed from the label by the NIH Office of Dietary Supplements. What a label says is not independently verified. See the original label
How to take it
- DIRECTIONS: Mix 1 scoop of PRO BCAA(TM) in 10-12 oz of cold water or your favorite beverage and consume before, during or after exercise. SUGGESTED USE: To help spare muscle tissue during endurance effort and/or support muscle building after strength training. FOR MAXIMUM RESULTS: Use as needed in conjunction with a healthy balanced diet and regular exercise including both strength and cardiovascular training.
The manufacturer’s directions, from the label.
Warnings on the label
- ALLERGEN INFORMATION: Contains Soy (Lecithin) Ingredients.
What no one has checked
Contents are declared by the manufacturer and are not verified by a regulator. Independent testing has repeatedly found amounts that differ from the label, and products that contain substances banned in sport. Third-party certification, where a product has it, is shown on this page.
Compare with similar products
Details
| Brand | ON Optimum Nutrition |
|---|---|
| UPC | 7 48927 05190 2 |
| NIH label ID | 33190 |
| Label recorded | 2014-05-23 |
Source: Dietary Supplement Label Database · NIH Office of Dietary Supplements · retrieved 2026-09-21 · not reviewed by a nutrition professional