Dr. Berg’s Healthy Keto and Intermittent Fasting Podcast

What If You Eat 2 Brazil Nuts Every Day

Jan 15, 2026
Eating just two Brazil nuts a day can provide you with a staggering 1000% of your daily selenium needs. This trace mineral plays a crucial role in supporting your immune system, boosting fertility, and promoting hair growth through keratin production. Brazil nuts are the best dietary source of selenium, which also aids in preventing infections and balancing immune responses. Discover how selenium can protect against viruses and some cancers, while its antioxidant properties shield your cells from toxins.
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ADVICE

Two Brazil Nuts A Day

  • Eat two Brazil nuts daily to supply abundant selenium cheaply.
  • Two nuts deliver about 135–180 mcg, over 1000% of the RDA.
INSIGHT

Selenium Supports Hair Protein

  • Selenium works with enzymes to increase keratin and support hair growth.
  • Low selenium can cause thinning hair because keratin production falls.
INSIGHT

Selenium Fuels T Helper Cells

  • Selenium feeds T helper cells, the immune system's coordinating 'general.'
  • Insufficient selenium reduces these cells and raises vulnerability to infections and cancer.
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