“Daily intakes of 11 vitamins were estimated using the multiple source method to account for within-person variation from two 24 -h recalls, incorporating both food and supplement contributions. Total vitamin intake was calculated as their sum.”
I couldn’t understand so much of the methodology of this paper so it doesn’t really help much to me.
So many potential confounders that aren’t really explained. Sort of p hacking also.
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My latest vitamin D test results are in: 69 (up from 42 a year ago) after taking calcifediol 30 mcg (3 pills of vitamoreD) per day for 2 months. I was previously taking 2 pills (20mcg) per day for 10 months. (no test in between; just a hunch). I’ll stay with the higher dose and recheck in a few months to see if that’s my dose or I need to back off.
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Association of Circulating Vitamin D in Midlife With Increased Tau-PET Burden in Dementia-Free Adults
Paper: https://www.neurology.org/doi/10.1212/WN9.0000000000000057
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I am doing some experiments at the moment trying to work out whether cholecalciferol taken whilst fasting creates more serum 25OHD or not.
However, regardless I tend to think I want to be at least 100 nmol/l (40ng/ml).
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