citrus bioflavonoids and zinc serve as a powerful foundation for overall health by supporting immune system function
all known to support a healthy respiratory system
increase to one softgel twice daily if required
L-tryptophan converts to niacin in the body
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NOW Foods, Sodium Ascorbate, 3 lbs PHD Energy citrus bioflavonoids and zinc serveDescription Pure, Buffered Vitamin C Powder Vitamin C is a water soluble nutrient well known for its vital role in the immune system. Vitamin C is also necessary for the production of collagen (a structural protein in connective tissue) and is therefore important for skin, bone, and joint health. Vitamin C is needed for amino acid metabolism, neurotransmitter synthesis, and the utilization of many nutrients, such as folic acid and iron. It is also a