• B-6 is a natural precursor to the neurotransmitter, Serotonin. This is a recommended supplement in Dianne Craft's Biology of Behavior Nutritional protocol.
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      A Zinc deficiency can be spotted by white spots on the nails or by slow healing of cuts and other abrasions. Zinc is essential for cellular reproduction, which is the process of growth and repair. It also helps prevent the buildup of Vit A in the liver. Teenagers have also reported that it helps to clear up acne.