“I’m on a capsule of 50K IU every 3 weeks or so. It’s a prescription. I supplement with 1K pills on weeks 2 and 3.”
You must have been very low on D, too. Since mine wasn’t prescription, I kept forgetting to get it. My prescriptions are on automatic refill and I get a call from Walgreens that I have prescriptions to pick up. I’ll go by the window and not go in the store most of the time.
It was 10, but after 2 yrs it went up to 34. I abstain from supplements for a couple of weeks before the test. It has helped a lot for immune support.