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R.B. · 07-27-2010, 02:14 AM

Becky

The ability of the body of older people to make vitamin D has been shown to drop to 25 % of that of young people.

Pre-Vitamin D is made in the surface of the skin, and slowly absorbed, so washing within 8 hours risks removing some or most of it, depending on how close the washing is to the sun exposure. Soap will certainly remove it, water may. Even surfer dudes and sunbathing Florida residents are often short of D, at a guess for these reasons.

Moisturisers before or after may affect production - we do not know. In fact there is a whole lot we do not know.

If you are taking it as a supplement you have to digest it, and many have impaired digestion.

Lauriesh

There are lots of good suppliers. Some D products come packed in high Omega 6 oils which is not optimal. Vitacost are cheap and efficient, but last time I bought some, theirs was in an Omega six rich oil, although not much. A name of a company was posted that did D in olive oil. I will try and find the details.

07-27-2010, 02:14 AM	#9
R.B. Senior Member Join Date: Mar 2006 Posts: 1,843	Re: Vitamin D Test Results Becky The ability of the body of older people to make vitamin D has been shown to drop to 25 % of that of young people. Pre-Vitamin D is made in the surface of the skin, and slowly absorbed, so washing within 8 hours risks removing some or most of it, depending on how close the washing is to the sun exposure. Soap will certainly remove it, water may. Even surfer dudes and sunbathing Florida residents are often short of D, at a guess for these reasons. Moisturisers before or after may affect production - we do not know. In fact there is a whole lot we do not know. If you are taking it as a supplement you have to digest it, and many have impaired digestion. Lauriesh There are lots of good suppliers. Some D products come packed in high Omega 6 oils which is not optimal. Vitacost are cheap and efficient, but last time I bought some, theirs was in an Omega six rich oil, although not much. A name of a company was posted that did D in olive oil. I will try and find the details. Last edited by R.B.; 07-27-2010 at 02:22 AM..