Important contributors to niacin intake in the American diet are

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Poultry, meat, and fish are significant contributors to niacin intake in the American diet because they contain high amounts of tryptophan, an amino acid that can be converted into niacin in the body. This is particularly true for organ meats such as liver, which are rich sources of tryptophan and other essential nutrients. While fruits and vegetables can also contribute to niacin intake, their overall contribution is much lower than that of animal-based foods. Dairy products can also be a source of niacin, but their contribution to the average American diet is relatively small compared to meat, poultry, and fish.

Important Contributors to Niacin Intake in the American Diet Are