L-Tryptophan

What is L-Tryptophan?

L-Tryptophan, an essential amino acid, contributes to the production of protein. It must be consumed through diet, as it is not made by the body.

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L-Tryptophan Distributor & Supplier Information

For questions regarding L-Tryptophan pricing, please fill out the price request form linked below. For complete technical ingredient specifications and other inquiries, please contact one of our sales representatives.

Contact A Sales Rep Price Request Form


For information on L-Tryptophan use in the food and beverage industry, please visit the link below.

L-Tryptophan – American International Foods, Inc.

L-Tryptophan Uses in the Personal Care & Cosmetic Industries

Nutritional Supplements
For its role as a natural remedy for mood regulation and sleep, L-Tryptophan is one of the most widely used ingredients in nutritional supplements. It is also used for its potential to help with anxiety and depression.
Personal Care
Acting as a conditioning agent, L-Tryptophan can be used as an ingredient in shampoos and conditioners to help repair damaged hair.

About American International Ingredients - An L-Tryptophan Supplier

American International Ingredients is a leading L-Tryptophan supplier with an additional full service portfolio of over 2500 personal care and cosmetic ingredients. We offer one of the most extensive lines of amino acids distributed to manufacturers and processors in the cosmetic, makeup, personal care, nutritional supplement, and household & commercial cleaning sectors. With a strategic nationwide warehouse network and our reliable just-in-time deliveries, we can supply your business with high quality amino acids at competitive prices.