Doctor's Best, Instantized BCAA Powder, 10.6 oz (300 g)

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Product Overview


  • Science-Based Nutrition
  • Branched Chain Amino Acids
  • Helps Support Muscle Growth and Recovery
  • Dietary Supplement
  • Vegan
  • Non-GMO
  • Gluten Free
  • Soy Free

Doctor's Best Instantized BCAA Powder contains a blend of L-Leucine, L-Isoleucine and L-Valine, which are essential amino acids that the body cannot synthesize on its own and therefore must be obtained from dietary sources.

BCAAs, unlike most other amino acids, are metabolized within muscle tissue, allowing them to be used as a quick source of energy by muscle cells to produce cellular source of energy by muscle cells to produce cellular energy in the form of adenosine triphosphate (ATP).

  • Helps support muscle growth
  • Helps support muscle recovery from exercise-induced fatigue

Suggested Use

Add 1 scoop of powder to 8 oz. of juice or protein shake and mix well. For best results, drink 1 hour before exercise. Repeat after exercise, before bedtime, or as recommended by a nutritionally-informed physician.

Other Ingredients

Sunflower lecithin.


Consult your physician prior to use if you are taking corticosteroids or any medication for diabetes or thyroid. Avoid using if you are pregnant, lactating, 2 weeks prior and after surgery. Keep out of reach of children.

Store in a cool dry place.

Note: Settling of contents may occur, which may cause slight variations in number of servings.


While iHerb strives to ensure the accuracy of its product images and information, some manufacturing changes to packaging and/or ingredients may be pending update on our site. Although items may occasionally ship with alternate packaging, freshness is always guaranteed. We recommend that you read labels, warnings and directions of all products before use and not rely solely on the information provided by iHerb.

Supplement Facts
Serving Size: 1 scoop (5 grams)
Serving Per Container: 60
  Amount Per Serving %Daily Value
Calories 20  
BCAA Blend 5 g ?
L-Leucine 2.5 g ?
L-Isoleucine 1.25 g ?
L-Valine 1.25 g ?
? Daily Value not established.

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