Why I “Megadose” on Vitamin D

Sun is bad?

I’ve got the scary quotes around megadose for a reason. The truth is that when I take 10,000 to 15,000 international units (IU) of vitamin D, I’m trying to mimic what my body will produce on a sunny summer’s day with my shirt off. I don’t see it as a true megadose since this is what my body would make if I was out in the sun. But 15,000IU you ask? Are you nuts Paleo? The government only recommends about 500IU per day!

Well, I don’t take 15,000IU every day. I average around 8,000IU from October to March. However, when I feel a cold coming on, I up my dosage along with my zinc and Vitamin C.

The 400 to 600IU recommendation makes no sense to me. If my body naturally makes up to 15,000IU in an hour of summer sun exposure, why would I only supplement my body with a few hundred units? Like so many things coming from the government, this makes no sense to me.

Why is Vitamin D so important in my view? See below:


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