Random, interesting studies
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Topical Oxidized Vitamin C (DHA) permeates through skin 12x faster than ascorbic acid.
Even though the human study below is from a company that produced the product with DHA, it seems to be very carefully done with practical considerations.
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@Lejeboca yes I saw that one too but hadn't clicked on it. Thanks for sharing.
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Sorbitol
I'd be careful with sorbitol. The issue with sorbitol is that it is often made with a nickel catalyst, which leaches into the endproduct.
" The Cr/Fe promoted system exhibits the highest activity but the Fe leaches from the catalyst into the reaction mixture. Moreover, this catalyst deactivates after successive runs. For all Raney-type Ni catalysts leaching of Ni in the product mixture occurs."
https://www.sciencedirect.com/science/article/abs/pii/S0920586103000403?via%3DihubAlthough Ray said a little is ok:
Post 28 Title: Bryan · Feb 4, 2013 at 5:00 PM Author: Bryan Post Content:
Me: Is sorbitol o.k. to eat? I got some gummy bears that have it in them.
Peat: A little is o.k.
