Function: Metabolism of carbohydrates, proteins, and fats for energy production; production of adrenal hormones and red blood cells
Sources: Organ meats, fish, chicken, eggs, cheese, whole grains, avocados, cauliflower, sweet potatoes, oranges, strawberries, yeast, legumes
Optimal Intake: 50-100 mg
Deficiency Signs: Numbness and shooting pains in the feet; fatigue
Toxicity: None reported