Sports nutrition · Optimum Nutrition
Mega-Size BCAA 1000 Caps
Why Optimum Nutrition bcaa?
- 500 mg l-leucine per serving
From the label’s panel and printed marks — not its marketing.
Supplement Facts
Serving size 2 Capsule(s)
L-Leucine500 mg
L-Isoleucine250 mg
L-Valine250 mg
Full panel ↓Sold as food, not medicine — no regulator checked that it works
Per serving · 2 Capsule(s)
At a glance
From the label as printed · NIH DSLD
Protein powder · Capsule
Per serving500 mg l-leucine
200 servings per container
Consume 2 BCAA 1000 Capsules between meals, 30-45 minutes before workouts, and/or immediately after workouts.
One serving: 2 Capsule(s)
Warning: Consult your physician before using this product if you are taking medications or are under a physician's care for a medical condition. Not for use by those under the age of 18 or women that are pregnant, trying to get pregnant or nursing.
All warnings ↓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)
- Women (not pregnant or lactating)
Supplement Facts
Supplement Facts
Serving size 2 Capsule(s)
Servings per container 200
| Amount per serving | % DV | |
|---|---|---|
| L-Leucine | 500 mg | † |
| L-Isoleucine | 250 mg | † |
| L-Valine | 250 mg | † |
† Daily Value not established.
Other ingredients: Gelatin, Microcrystalline Cellulose, Magnesium Stearate
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
- Suggested Use: Consume 2 BCAA 1000 Capsules between meals, 30-45 minutes before workouts, and/or immediately after workouts.
The manufacturer’s directions, from the label.
Warnings on the label
- Warning: Consult your physician before using this product if you are taking medications or are under a physician's care for a medical condition. Not for use by those under the age of 18 or women that are pregnant, trying to get pregnant or nursing.
- Not for use by those under the age of 18 or women that are pregnant, trying to get pregnant or nursing.
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.
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Details
| Brand | Optimum Nutrition |
|---|---|
| UPC | 7 48927 02036 6 |
| NIH label ID | 308429 |
| Label recorded | 2024-12-21 |
Source: Dietary Supplement Label Database · NIH Office of Dietary Supplements · retrieved 2026-09-21 · not reviewed by a nutrition professional