Pellagra symptoms may appear during B₆ deficiency because this vitamin is required in the process of obtaining niacin from tryptophan.

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Pellagra is caused by niacin deficiency, but the body can also obtain niacin from the amino acid tryptophan through a process that requires vitamin B₆. Therefore, a deficiency in B₆ can lead to decreased niacin production from tryptophan and contribute to the development of pellagra.

Pellagra Symptoms May Appear During B₆ Deficiency Because This Vitamin