You Should Know

June 1997 Issue

Algae Alert: More Than You Bargained For?

Though called pond scum by some, the dietary supplement blue-green algae is a rich source of nutrients, including protein, trace minerals like zinc, and carotenoids like beta-carotene. It's often touted—though without proof—to increase energy and stamina, strengthen immunity, aid weight loss and promote a healthy heart and circulatory system. But new information suggests that in some cases it could be a source of unhealthy toxins. Last summer, a toxin-producing variety of algae, Microcystis

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