Tue, Nov-09-04, 18:20
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Finding the Pieces
Posts: 17,055
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Plan: Mishmash
Stats: 365/260.0/185
BF:
Progress: 58%
Location: Boston, MA, US
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It's the man made vitamin D that's toxic. Natural vitamin D is not toxiic at even 50,000 IU/day. The total vitamin D necessary for good health from sun, food and supplements is 4,000 IU/day.
Quote:
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The amount of sun exposure needed to get the proper dose of vitamin D depends on a person's skin type, where they live, and time of year, and time of day the exposure occurs. Holick says it is difficult for people living in northern climates to get the vitamin D they need from the sun in the winter, but in the summer a light-skinned person at the beach should get all the vitamin D they need in about five minutes.
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Vitamin D levels can be tested and it's been disproved that 5 minutes at the beach provides enough...unless you're in the Caribbean or Tropics. |