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Creatyl-L-Leucine

Moderate concern

Limited published clinical or safety data on this specific compound. Has been the subject of FDA enforcement letters where vendors marketed it as creatine.

Found in

42 products

What it is

Compound formed from creatine and L-leucine; a creatine-amino acid conjugate marketed as a sports nutrition ingredient.

Marketed as creatine alternative or delivery form in supplements.

Why it's flagged

limited safety data
regulatory uncertainty

What regulators actually say

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Regulatory status

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