Nutricost L-Leucine Powder (Unflavored)

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Regular price $27.95


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Leucine is one of only 3 branched chain amino acids (BCAAs) in the human body, and the most important. It’s ability to reduce muscle protein breakdown while promoting muscle protein synthesis is second to none.* This 1 - 2 punch is why people who supplement with leucine experience greater muscle gains than those who do not. L-leucine is so powerful that most BCAA complexes contain as much leucine as the other two BCAAs combined.

Nutricost L-Leucine Powder 

  • 500 Grams of L-Leucine Powder
  • Non-GMO, Vegetarian, and Gluten Free
  • Primary Branched Chain Amino Acid (BCAA)
  • 5 Grams of L-Leucine Per Serving
  • Manufactured In a GMP Compliant, FDA Registered Facility 


    Customer Reviews

    Based on 27 reviews
    How to mix any BCAA powders my guy

    Most pure BCAA, don't mix well with water and tend to taste horrible in their natural form. Because they are powdered acids. If you mix that with water well enough it would probably taste like sour vomit. The trick with most BCAA is to dilute them into a tastier acid like lemon juice. I shake my BCAA powder stack with 8oz of orange juice in a 12 oz bottle and down it like a shot. Then I chase it with a quart of water. Any kind of citric juice should work, some of my friends use lemon juice but I prefer orange juice.

    maritza Lue

    I'm taking Leucine everyday. It's one of the basic amino acid. It's flavorless so easy to drink after mixing with water

    Paint Horse Mom
    Great for PSSM2 Horse

    I purchased this for my PSSM2 horse and it has really helped her tremendously. She’s moving and feeling much better. We started at 5,000 mg per day, but will be increasing her to 10,000 in the coming days. I will definitely be reordering.

    Pure product. Great price!

    Great price for a pure product. Gains keep coming!

    Usable quality for low price / Cover the taste

    Standard BCAA. Been using leucine for 35 yrs. Acceptable quality. Good price. Recent reviews on here show that people hate the taste. WHAT? Why are you eating this? Do you suppose that a BCAA tastes like chicken? I bet not. Ugh! Don't put this in a glass of water and try to chug it. Go to your grocery and find the powdered drinks section. There are many flavours: orange, grape, lemonade, Peach tea, Mango tea, Peach-Mango. Try them all. These are flavours in a dried crystal format. Usually 10 packets to a box. Add one to the Leucine in a shaker bottle, shake, and get it down. I have 3-4 different aminos and products at once. Acceptable.



    In the unlikely event that you’re not completely satisfied with ANY Nutricost™ product, we don’t want to keep your money. Even though our products are of the utmost quality, no supplement works for everyone. Contact us and we’ll refund 100% of your purchase price (minus S&H).

    Have questions about our products? Want to leave a comment about our service? Simply fill out the form below and one of our customer service representatives will contact you shortly.

    If you wish to speak with a representative of the Company feel free to call (866-438-3694) or send us an email at with any and all questions or concerns related to our products and services


    Our goal is to have your order processed within 1-2 business days depending on production of items ordered, size of order, and availability. Once Shipped, usually takes 3-5 business days for shipment to be received. (International orders may take longer due to customs).We try to get your order shipped as fast as possible while still upholding to our standard of quality.

    Due to certain circumstances out of our control shipping times may vary.



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