The overall rating for leucine is 1.6 out of 3 meaning there is some evidence that this supplement does some (not all) of what it claims. Using this supplement may lead to some improvements.
- Simple Report
- Detailed Report
- Overall Effectiveness Rating
- Research Rating
- Products Containing Leucine
- Claim Ratings
Overall Effectiveness Rating
The overall effectiveness rating for leucine is 1.6 out of 3. This rating means the evidence is mixed on the supplement's ability to deliver positive results. While some of the research supports its use, other evidence does not. Using this supplement may lead to positive results. Note, this effectiveness rating is for leucine as a whole; there are also individual ratings for the claims below.
Read more: What is the effectiveness rating?
Research Rating for Leucine
There are 11 studies in the database on leucine; the research rating is 51. A score above 80 means the effectiveness rating for this supplement is reliable. A score under 80 means there is insufficient evidence to ensure a reliable effectiveness rating. Note, this research rating is for leucine as a whole; there are also individual ratings for the claims below.
Read more: What is the research rating?
Products Containing Leucine
|Products Names||Amount of Leucine|
|Mega Men Diabetic Support||10mg|
|A1 Amino BCAA EAA Blend||3g|
|CYRx MD Pre-Workout||1g|
|SuperPump MAX||Amount not listed.|
|Full list of all 101 products containing Leucine.|
The overall ratings above are an average of the individual claim ratings below. Individual claims may have higher or lower ratings compared to the supplement's overall rating. For example, some supplements may have excellent backing for one claim, but be completely useless for another. Click on a claim below for more information.
|Body Composition (weight, muscle, body fat) Claims||Effectiveness Rating||Research Rating|
|increase muscle mass|
|Protein Synthesis Claims||Effectiveness Rating||Research Rating|
|decrease protein breakdown||increase protein synthesis|
|Performance Claims||Effectiveness Rating||Research Rating|
|Recovery Claims||Effectiveness Rating||Research Rating|
|improve recovery||reduce muscle damage||reduce muscle soreness|
The Supplement Database includes 5 studies on leucine dosing. These studies indicate an effective dose is 3.42 grams per day. For a more detailed dosing analysis visit: Supplement Dosing for Leucine.