Optimum Nutrition
Mega-Size BCAA 1000 Caps
Amino acid/Protein200 servings
None of the 3 actives we can check reach a studied dose.
Dose 0 of 3 reach a studied dose
How it scores
What's in it, judged
Supplement Facts
Serving Size: 2 Capsule(s)
200 per container
- L-Leucine 500 mg †
- L-Isoleucine 250 mg †
- L-Valine 250 mg †
† Daily Value not established
Other ingredients: Gelatin, Microcrystalline Cellulose, Magnesium Stearate.
Suggested Use: Consume 2 BCAA 1000 Capsules between meals, 30-45 minutes before workouts, and/or immediately after workouts.
Reported interactions
- Side effects:
- Gastrointestinal symptoms (nausea, bloating, diarrhea, constipation, reflux) ·Valine_and_isoleucine_depletion ·Blood_ammonia_increase ·Reduced_isoleucine_and_valine_plasma_concentrations
From research databases. Not medical advice — talk to your physician.
Does the dose do anything?
-
L-Leucine
Below the studied range0.5 g / day studies used 1.56-14 g · 9 studies
-
L-Isoleucine
Below the studied range0.25 g / day studies used 2-17.61 g · 13 studies
-
L-Valine
Below the studied range0.25 g / day studies used 5-10 g · 3 studies
What it's studied for
- Gut motilityC
Movement through the digestive tract
Gastrointestinal
- After-meal blood sugarC
Lower blood sugar after meals
Glycemic & metabolic
- Body weightC
Body weight
Weight management
- Body fat percentageA
Lower body fat percentage
Body composition
- Muscle strengthA
Increase muscle strength
Muscle function
Optimum Nutrition
73/100Optimum Nutrition is a trustworthy sports-nutrition brand, with third-party testing and authenticity guidance supporting credibility, while certification evidence remains product-specific rather than universal.
- ✓ NSF certified
- ✓ Third-party tested
- ✓ Effective dosing
- ✓ Premium ingredients