For accessibility related questions, please contact us or visit our Accessibility Statement.
Skip to content Skip to navigation
15% off your first order when you sign up to our newsletter
Free delivery for orders over $75

BCAA 1000

  • Branched Chain Amino Acid Support
  • 2:1:1 ratio of L-Leucine, L-Isoleucine and L-Valine
  • Essential Amino Acid Support
  • Versatile Amino Acid Support
  • **Product Packaging Information under Product Overview

Product Overview

Branched Chain Amino Acid Support

BCAA 1000 Caps are recommended first thing in the morning and/or during the 30 minutes just before or immediately after training. Simply take 2 capsules with your favourite beverage, or with your protein shake.

**Product Packaging Information

Please note due to Covid challenges, we have faced supply chain constraints sourcing packaging components for our products. As a result, packaging cap and bottle colors may vary, temporarily, across some of our products. Despite these challenges, we are here to help you stay stocked with your favorite Optimum Nutrition products to support your fitness goals. Rest assured that these variances affect packaging only, it does not affect the product inside. We are still delivering the same high quality products backed by 30 years of the highest quality standards. Thank you for your understanding during this time.


  • Support your active lifestyle by supplementing with ON BCAA capsules
  • ON’s BCAA 1000 Caps deliver 1000 mg of BCAAs per 2- capsule serving in a 2:1:1 ratio of Leucine to Isoleucine and Valine
  • Use between meals, before training, or after finishing your workout to augment your daily intake of amino acids
  • Easy to swallow capsules
  • Available in 60CT, 200CT, 400CT

Suggested Use

BCAA 1000 Caps are recommended first thing in the morning and/or during the 30 minutes just before or immediately after training. Simply take 2 capsules with your favourite beverage, or with your protein shake.

Nutritional Information

Nutritional information will be shown when a flavour and/or size is selected.

Customer Reviews

Overall Rating (4.7)
Write your review here. For complaints and questions we would like to refer you to our customer service.
Please enter a headline
Please enter a comment
Please enter a rating

Great product

Review by Darlene on Jul 3, 2023
Verified purchase
Easy to use

Why not? Great in capsule form.

Review by Anonymous on Apr 17, 2023
Verified purchase
If you are muscle building/toning, this supplement is a great addition to ensure the different branch chain amino acids are ingested to help muscle growth. In capsules, you ensure the entire powder is ingested rather than powder sitting at the bottom of a shake.

Great recovery

Review by Nate on Feb 18, 2023
Verified purchase
I have used BCAA's in my twenties and found the recovery benefits of taking them. These pills are great now that I am in my forties and starting to get back into shape. The one gram pills are perfect, you just take 4-7 of them after an intense workout and you will reduce the sore muscles to almost nothing. great product and I will be buying again.

Love these

Review by Joshua Aronson on Jan 31, 2023
Verified purchase
Been taking 2 for over 2 years before early am workouts and love the results. Swear I even have a little extra focus at work too

Great product

Review by Marcelo on Nov 17, 2022
Great product

No issues

Review by Tie on Oct 23, 2022
So far so good!


Review by David Laid on Jul 23, 2022
I don’t know if I’m tweaking or not but ever time I take a BCAA pill with my pre-workout my strength out increases tremendously!


Review by Luis Pereira on Jul 12, 2022
Best choice I have ever made by purchasing bcaa


Review by Gracie on Jun 4, 2022
If you don’t eat as much protein as you should, or if it is just difficult for you naturally to gain muscle, this helps! If you take it consistently, you will be able to see and feel subtle differences. Even if you don’t take these for muscle gain, they’re also good to maintain muscle health in general.


Review by Ashley on Apr 6, 2022
I've been taking these for 2 weeks now and I can honestly tell a difference. I can see the difference in my muscle as sometimes its hard for me to eat as much protein as I need to be and my energy level is definitely higher. I also love that its pill form. I will definitely order again

Sign up for weekly offers, news and advice

Plus 15% off your first order