Key takeaways:
- Based on paper provided by the Mayo we should target 50 ng/ml but levels below 100 Ng/ml are fine and non-toxic.
- Toxicity occurs above 50,000 IUs daily dosing
- Levels below 30 ng/ml are deficient and sub optimal for health
- Levels between 50-100 don’t provide excess benefit
I take 5000 IUs daily and have only reached 30 ng/ml. I am upping my dosage to 10,000 IUs daily to get to 50.