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Reishi Mushroom Supplements

Arsenic in Mushroom Supplement?

September 16, 2025
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Arsenic, lead, and cadmium above "Actions Levels" were recently report in a Host Defense mushroom product. Should you be concerned? Get our take on this in our Lion's Mane & Chaga Supplements Review. Also see our Top Picks for lion's mane, chaga, and reishi supplements.