army1987 comments on Quantified Health Prize results announced - Less Wrong

44 Post author: Zvi 19 February 2012 08:10AM

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Comment author: Kevin 18 February 2012 08:43:22AM *  6 points [-]

It seems lots of supplement manufacturers just kind of make it up as they go along.

Other warning signs that should get you to throw out particular multivitamins -- Vitamin E as d-alpha tocepherol only rather than mixed tocopherols, and selenium as a single form such as selenomethionine rather than selenium yeast or selenium amino acids.

I also suspect Vitamin A is similarly harmful in isolated form compared to the much more complex natural sources of it but don't really have any evidence on that.

Comment author: [deleted] 18 February 2012 10:37:28AM 0 points [-]

IIRC at least some multivitamins contain at least part of their Vitamin A as carotene rather than retinol.

Comment author: Kevin 18 February 2012 11:52:20AM 1 point [-]

Yup, definitely, many multivitamins (particularly at the higher end) also contain complex forms of Vitamin E and selenium.