Used as a nutritional supplement to prevent or treat vitamin B6 deficiency, which can support nerve function and reduce symptoms like numbness and tingling. Commonly included in multivitamin formulations and B-complex supplements. Plays a role in amino acid metabolism, neurotransmitter synthesis, and hemoglobin production. Used in the management of certain types of anemia and to support brain health. Also applied in pharmaceuticals for treating certain metabolic disorders and in some cases, to alleviate nausea during pregnancy. Frequently added to fortified foods and animal feed to ensure adequate dietary intake.