Vitamins and supplements like melatonin and fish oil offer health benefits but can cause side effects if misused. Learn about the impact of saw palmetto on blood pressure and find the best multivitamins for young women and adults over 50.
Chlorella and spirulina are both types of algae that are commonly marketed as supplements. Chlorella is a form of green algae, and spirulina is a type of blue-green algae. Chlorella is a rich source of chlorophyll, and spirulina provides a variety of proteins, vitamins and minerals.
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Purple corn extract is derived from purple corn, a plant that belongs to the same species as yellow table corn, but contains vividly-colored biologically active natural plant dyes. Native South Americans have been using the dyes, known as anthocyanins, to color food and drinks for centuries.
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