Just 14 seconds of UV-B on sliced carrots

news Article

Original Overview Article

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Similar to the short time to greatly increase vitamin D in Mushrooms

this is probably vitamin D2 not vitamin D3

They do not appear to mention the IR of vitamin D before or after

Note: can also triple the vitamin D in eggs by increasing the amount of vitamin D in the chicken feed

It appears that you could then get 600 IU of vitamin D ( the RDA recommended in Nov 2010) with just 2 eggs.

See also in VitaminDWiki

• All items in Food Sources of Vitamin D
• Vegan vitamin D levels are only 22 ng – Feb 2011
• Spinach adds Vitamins C D E and K in a few days under supermarket light - Mar 2010 seems strange - no UVB
• Vitamin D from mushrooms: a review on optimisation of the process
• UV strobes to beef up mushrooms – May 2010