I take 5,000IU most days. I just had my levels tested and it was 57ng/mL. The article says over 50 is problematic, but the test reports toxicity levels are at >

I take 5,000IU most days. I just had my levels tested and it was 57ng/mL. The article says over 50 is problematic, but the test reports toxicity levels are at >150ng/mL, which puts me well within the healthy range. I’m not sure what my take away here is.