B-6 (Pyridoxine) is a key factor in red blood cell regeneration, amino acid/protein metabolism, and carbohydrate metabolism. Vit B-6 deficiency has been linked to anxiety, clinical depression, schizophrenia, epilepsy, headaches, kidney diseases, anemia, pregnancy, lactation, arthritis, insomnia, immune deficiency, kidney disease, high cholesterol and with any nutritional program..