RE: I Read Way Too Many Studies About Vitamin D So You Don't Have To

[chiren]

Great point about the UVB index—that would be super useful info to have during winter!

I hear you on sun being the best source. The problem for those of us up north is that above ~35° latitude, the sun's angle in winter literally can't produce vitamin D, even on sunny days. The UVB rays just don't penetrate at that angle. So it's basically sun in summer, supplements in winter, or risk deficiency.

Haven't looked into the fructose/vitamin D connection—that's interesting though! Got any studies on that? Sounds like a potential rabbit hole.

Thanks for the comment!

Comments

[irivers]

I've seen popular science articles about the interaction between vitamin d and the free fructose in HFCS.

I haven't drilled down to scientific articles.

The same problem happens with invert sugar and agave nectar.

My understanding is that sucrose is a combination of fructose and glucose.

To make invert sugar, one processes the sucrose to separate the glucose from the fructose. this makes this sweeter. they do the same thing with agave nectar.

The free fructose acts like a radical which damages vitamin d.

I believe that the studies in this area are relatively new. If it is true then hfcs, invert sugar and other processed sugars are weeking our immune systems.

It might make an interesting article.

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