Bertholletia excelsa
The richest natural source of selenium — 1-2 nuts provide daily requirement. Used for thyroid support, antioxidant protection, and immune health.
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May interact with thyroid medications.
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Safe in small amounts. Selenium toxicity: hair loss, nail brittleness, GI upset.
Full dosage ranges, extraction ratios, and step-by-step preparation instructions for Brazil Nut are available to members.
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