Does leucine work?

    Claims for Leucine

    The supplement database currently has 4 claims for Leucine. The claims include: increase protein synthesis, decrease protein breakdown, reduce muscle soreness, improve recovery.

    Overall Grade for Leucine

    The average score for all claims for Leucine is 1.7 meaning there is some evidence that this supplement does some (not all) of what it claims. Using this supplement may lead to some improvements. Click on a specific claim below for more specifics.

    Claim #1: decrease protein breakdown

    Some evidence exists to support the claim, however with such a small amount of research included in the database on this claim, you should use caution when interpretting the results. Read more about this claim.
    Number of Studies in this Claim 2
    Overall Rating of this Claim 2

    Claim #2: improve recovery

    The evidence does not support the claim, however with such a small amount of research included in the database on this claim, you should use caution when interpretting the results. Read more about this claim.
    Number of Studies in this Claim 1
    Overall Rating of this Claim 1

    Claim #3: increase protein synthesis

    Some evidence exists to support the claim. Read more about this claim.
    Number of Studies in this Claim 5
    Overall Rating of this Claim 1.8

    Claim #4: reduce muscle soreness

    The evidence does not support the claim, however with such a small amount of research included in the database on this claim, you should use caution when interpretting the results. Read more about this claim.
    Number of Studies in this Claim 1
    Overall Rating of this Claim 1