alt Hacker NewsWhat is way too much? I take around 4000IU per day. Which just about brings my blood levels into the “green” area in blood testing.
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layer8 • today at 12:52 AM
Current recommendations are 800 IU per day if you’re not significantly deficient. Always keep testing at least once a year or so. I took 5000 IU per day for a while, which ended up pushing me over 60 ng/ml. That’s considered too high a level and may have negative health effects.
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rsyring • yesterday at 6:48 PM
FWIW: my functional provider recently noted low levels in my labs and I was already taking 2K IU daily. She bumped me up to 6K UI daily.
thegeekpirate • yesterday at 7:25 PM
4,000 is perfect.
The reddit post was taking 50,000IU a day, which is usually the amount prescribed for someone to take once a week.
Your 4000IU isn't too much. Lots of the brands you see in stores are 5k for daily supplementation.