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Originally Posted by Flabbibulin
Street pharmacist, dont mean to change topics entirely, but hope you dont mind me asking a different topic question as my doc recently brought this up with me. what is your opinion on the huge emphasis over the last few years on vitamin D supplementation? Is this just the latest medical industry hype, or are vitamin D levels really as important as they say? From what I can tell, everyone in Canada will be low on vitamin D in winter months, and it seems to be nearly impossible to get to those ideal levels through food and sunshine alone?
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Vitamin D is a pretty active area of research and different experts will tell you different things about how much you need. Excessive vitamin D can be harmful, but deficiency is more likely here. Most agencies don't recommend more than 4000 IU, though real toxicity isn't seen until much higher than that. Personally I take a vitamin D supplement in the winter but don't worry about it in the summer when I'm spending more time outside in the sun.