1d • General discussion
🍤🐟Selenium Lowers Antibodies!🥩🍳
Selenium is one of the most powerful minerals for Hashimoto’s, yet most women are deficient.
Here’s why selenium is essential:
✨ It converts T4 → T3
✨ It protects thyroid cells from oxidative stress
✨ It lowers thyroid antibodies (TPO + TG)
✨ It reduces inflammation
✨ It helps regulate the immune system
When you’re deficient, you may experience:
😣 Higher antibodies
🔥 More inflammation
🥱 Fatigue
😵 Anxiety and mood swings
🧠 Brain fog
🔥 Increased oxidative stress
Inside your thyroid, selenium acts like a shield, protecting it from free radical damage caused by chronic inflammation.
🌿 Best ways to get selenium:
• Brazil nuts (1–2 per day)
• Pasture-raised eggs
• Beef + lamb
• Sardines
• Tuna
• Chicken
• Supplements (only if needed, too much can be harmful)
🩸 Selenium Labs, What to Aim For
If you test selenium in blood (serum or plasma) :
👉 optimal range
~70–110 µg/L
• Below ~70 µg/L→ Often considered suboptimal for thyroid enzyme activity and antioxidant protection
• ~80–100 µg/L→ Very commonly targeted in Hashimoto’s protocols
• Above ~110–120 µg/L→ Usually unnecessary
🍽️ Daily Selenium Intake
🔹Minimum intake (to avoid deficiency)
👉 55 µg/day
(This is the official RDA, prevents deficiency, but is often not enough for Hashimoto’s‼️)
🔹Optimal intake
👉 ~80–150 µg/day
This range is perfect for:
• Support T4 → T3 conversion
• Help lower thyroid antibodies
• Support immune and antioxidant systems
🔹Upper safe limit
👉 400 µg/day (long-term)
Selenium has a narrow therapeutic window, so balance matters.
🥚🥩 Best Food Sources of Selenium
Animal foods are the most reliable sources, because plant selenium depends heavily on soil quality.
🥚🥩 Approximate selenium amounts (per portion)
• 1 large egg → ~15 µg
• 100 g beef steak → ~40–45 µg
• 100 g tuna → ~90–100 µg
• 100 g salmon → ~40–45 µg
• 100 g shrimp → ~45–50 µg
• 100 g chicken or turkey → ~25–30 µg
• 1 Brazil nut → ~50–90 µg (varies a lot depending on soil)
💡 100 g = 1 hecto
⚠️ Brazil nuts are very potent, 1 nut is usually enough.
🍳🥗 How to Reach
80–150 µg selenium per day
✅ Around
80–90 µg/day
• 2 eggs → ~30 µg
• 100 g chicken → ~25 µg
• 100 g salmon → ~40–45 µg
Total: ~95 µg
✅ Around
100–120 µg/day
• 2 eggs → ~30 µg
• 100 g beef steak → ~40–45 µg
• 100 g chicken or turkey → ~25 µg
Total: ~95–100 µg
➕ Add a small portion of fish or seafood and you’re easily over 100 µg
✅ Around
120–150 µg/day
• 100 g tuna → ~90–100 µg
• 1 egg → ~15 µg
• 100 g shrimp → ~45–50 µg
Total: ~150–165 µg
✅ Simple
“Brazil Nut Option”
• Normal meals → ~60–80 µg from food
• + 1 Brazil nut → ~50–90 µg
➡️ Brings you straight into the functional selenium range
⚠️ Avoid eating several Brazil nuts daily — selenium has a narrow safety window.
🧠 Key Takeaways for Hashimoto’s
• 🩸 Target blood selenium: ~70–110 µg/L
• 🍽️ Minimum intake to avoid deficiency: 55 µg/day
• 🌱 Optimal intake for Hashimoto’s: ~80–150 µg/day
• 🥚🥩 Food-based selenium is effective and safer long-term
Selenium is a small nutrient with huge impact on antibody levels!🦠
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🍤🐟Selenium Lowers Antibodies!🥩🍳
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