Optimum Nutrition BCAA Capsules

Frequently asked questions

How many capsules make a serving?

Two capsules give 1 g of BCAAs. That is 500 mg leucine, 250 mg isoleucine and 250 mg valine. This is the 2:1:1 ratio. The tub comes in several counts. Check the label for total servings.

Why choose capsules over BCAA powder?

Capsules are pre-measured and easy to travel with. There is no shaker, flavour or mixing. The trade-off is that you swallow several capsules to match a scoop. Powder is usually cheaper per gram.

Is it certified for banned substances?

Yes. It carries Informed Choice. LGC's anti-doping lab tests each batch against the WADA banned list.

When should I take BCAA capsules?

ON suggests first thing in the morning. It also suggests the 30 minutes around training. That said, if you already eat enough total protein, extra BCAAs add little. They matter most when you train fasted or eat low protein.

Where can I buy them in the UK?

They are sold at Amazon UK. We also track an iHerb listing. Check the live price and capsule count before you buy. The cost per serving varies a lot by tub size.

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