Source Naturals, Free Form L-Leucine - 500 mg -240 Capsules
About this product
About this item ULTIMATE ENERGY SUPPORT. L-Leucine is an essential amino acid, specifically classified as a "branched-chain amino acid" (BCAA).
BCAAs, especially leucine, stimulate muscle protein synthesis and may be the major fuel involved in anabolic reactions. This makes them especially important for body builders and other athletes in sports that demand explosive strength.*
Suggested Use: 2 to 3 capsules daily between meals.
Over 40 years of trust. source naturals was created in 1982 by ceo ira goldberg to support everyone’s potential to enjoy optimal health.
Manufactured under the Good Manufacturing Practices (cGMPs) established by the US Food and Drug Administration (FDA).
Editor's Take
Amazon reviewers say this Source Naturals L-Leucine formula is a good-value supplement that supports stamina, recovery, and mental alertness, with several comments noting no jitters and easy reordering. Amazon’s review summary also highlights praise for quality and usefulness after strained or sprained muscles, while some shoppers describe it as a practical way to get a meaningful leucine dose.
Retail listings that surface customer feedback show similarly positive reactions, with reviewers calling it excellent as a post-workout supplement and generally rating it highly. There are only a small number of public review samples in the results, so the overall picture is favorable but limited.
No genuine YouTube review or unboxing results for this exact product were found in the available search results, so the video list is empty.
- Amazon reviewers: quality, stamina, recovery, value
- Retail reviews: post-workout use, overall satisfaction
- Reddit/forums/review blogs: no clearly surfaced results in the available search set
Price History
Specifications
| Type | Amino Acids |
| Form | Capsules |
| Count | 240 |
Product Details
| Product Dimensions | 3.11 x 3.11 x 5.6 inches; 5.44 ounces |
| Item model number | SN2054 |
| Department | Health and Beauty>Health and Wellness |
| Date First Available | May 7, 2005 |
| Manufacturer | Source Naturals |
| ASIN | B000QJ4E9I |
| Best Sellers Rank | #83,964 in Health & Household ( See Top 100 in Health & Household ) #178 in Branched Chain Amino Acids Nutritional Supplements |
| Customer Reviews | 4.3 4.3 out of 5 stars (168) |
