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Source Naturals L-Leucine, 500mg, 240 Capsules

3.7 out of 5 stars 24 customer reviews
About the product
  • Important for body builders and other athletes in sports that demand explosive strength
  • Stimulates muscle protein synthesis and may be the major fuel involved in anabolic reactions
  • Contains no yeast, egg, dairy, gluten, corn, soy, or wheat
  • Stimulates protein synthesis
  • Major source of fuel for anabolic reactions.
  • Supports strength for body builders and athletes.


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  • Source Naturals L-Leucine, 500mg, 240 Capsules
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Product description

Size:240 Capsules

Important for body builders and other athletes in sports that demand explosive strength;Stimulates muscle protein synthesis and may be the major fuel involved in anabolic reactions;Contains no yeast, egg, dairy, gluten, corn, soy, or wheat


Product details

Size: 240 Capsules
  • Product Dimensions: 3.1 x 3.1 x 5.6 inches
  • Shipping Weight: 4.8 ounces (View shipping rates and policies)
  • Domestic Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B000QJ4E9I
  • UPC: 021078020547 778564769458
  • Item model number: 021078020547
  • Average Customer Review: 3.7 out of 5 stars 24 customer reviews
  • Amazon Best Sellers Rank: #50,649 in Health & Household (See Top 100 in Health & Household)
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Important information

Legal Disclaimer
Actual product packaging and materials may contain more and different information than what is shown on our website. We recommend that you do not rely solely on the information presented and that you always read labels, warnings, and directions before using or consuming a product. Please see our full disclaimer below.

Customer Questions & Answers

Customer reviews

Top customer reviews

June 19, 2014
Size: 240 Capsules|Verified Purchase
0Comment| 5 people found this helpful. Was this review helpful to you? Report abuse
December 27, 2016
Size: 60 Capsules|Verified Purchase
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December 23, 2016
Size: 60 Capsules|Verified Purchase
0Comment|Was this review helpful to you? Report abuse
May 20, 2016
Size: 60 Capsules|Verified Purchase
0Comment|Was this review helpful to you? Report abuse
February 23, 2015
Size: 240 Capsules|Verified Purchase
0Comment|Was this review helpful to you? Report abuse
August 11, 2015
Size: 60 Capsules|Verified Purchase
0Comment|Was this review helpful to you? Report abuse
September 18, 2014
Size: 240 Capsules|Verified Purchase
0Comment|Was this review helpful to you? Report abuse
June 10, 2014
Size: 60 Capsules|Verified Purchase
0Comment| One person found this helpful. Was this review helpful to you? Report abuse

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Disclaimer: While we work to ensure that product information is correct, on occasion manufacturers may alter their ingredient lists. Actual product packaging and materials may contain more and/or different information than that shown on our Web site. We recommend that you do not solely rely on the information presented and that you always read labels, warnings, and directions before using or consuming a product. For additional information about a product, please contact the manufacturer. Content on this site is for reference purposes and is not intended to substitute for advice given by a physician, pharmacist, or other licensed health-care professional. You should not use this information as self-diagnosis or for treating a health problem or disease. Contact your health-care provider immediately if you suspect that you have a medical problem. Information and statements regarding dietary supplements have not been evaluated by the Food and Drug Administration and are not intended to diagnose, treat, cure, or prevent any disease or health condition. Amazon.com assumes no liability for inaccuracies or misstatements about products.