Split from Vitamin D Sensitivity Thread
Thanks, @aaron_c ,very timely. I am going to take vit A tonight for a stubborn cough + canker sore. Tomorrow morning I willl take my multimin w/ copper then. I think this explains why the last time I took vit A I had increased hair loss (low copper) ?
This study on the interactions of vitamin A, Copper and Zinc has an interesting chart on page 7. In it, you will notice that when vitamin A is supplemented at a very high level (in rats), ceruloplasmin (the major copper-transport protein in the blood) can increase to over twice what it was in rats fed very little vitamin A. This effect is much greater than the effect of copper: Taking ten times more copper appears to increase ceruloplasmin by something like 10%.
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