Ingredient

Creatyl-l-leucine

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Source
Not animal-derived
Allergen
No
Role in food
Manufacturers may add creatyl-L-leucine to beverages, particularly energy drinks and teas, as a functional …

What it is

Creatyl-L-leucine is a synthetic compound created by combining creatine and the amino acid L-leucine. It is designed to potentially enhance the delivery of creatine to muscles.

Why it's used

Manufacturers may add creatyl-L-leucine to beverages, particularly energy drinks and teas, as a functional ingredient. It is intended to support athletic performance and muscle recovery.

Health notes

Creatyl-L-leucine is not currently listed as a GRAS (Generally Recognized As Safe) substance or an approved food additive by the FDA. There is limited publicly available research on its safety and efficacy in humans at typical consumption levels. International bodies like JECFA have not extensively evaluated this specific compound.

Allergen info

Creatyl-L-leucine is not derived from any of the nine FDA major allergens. It does not contain gluten.

Products containing Creatyl-l-leucine

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Last updated: September 28, 2026

Note: This site presents label data from USDA FoodData Central for general information. It is not medical advice. Check the package label; formulations change.