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How much vitamin D should I take

Wednesday, 18 November 2015  |  Editor

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How much vitamin D?

View Vitamin D Supplements

The current RDA for vitamin D is 200iu, although many are arguing for a much higher level of perhaps 5-10 times that amount. It is generally accepted that pregnant women and the elderly need more than the RDA.

The current suggested upper safety limit is 1000iu, although it is interesting to note that the skin will manufacture up to 20 times this amount from the sun before it will start using the UVB rays to destroy any surplus.
Classically there has been a concern that high levels of supplemental vitamin D may lead to hypercalcaemia and hypercalciuria, but again strong evidence is lacking. 

Reinhold Vieth writes in his review of the research, “Throughout my preparation of this review, I was amazed at the lack of evidence supporting statements about the toxicity of moderate doses of vitamin D.” He adds that “Vitamin D deficiency can mask primary hyperparathyroidism and this could account for the occasional cases of hypercalcemia that occur when large groups of elderly people are given vitamin D supplements.” 

We have a number of articles about different aspects of Vitamin D and the vital roll it plays. Click of any link below to look at that subject or, below the links, click to bring up a printable PDF document covering all of the subjects by the excellent Nutrigold company, which also incorporates references.
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Nutri Advanced Vitamin D Drops Vegan

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Liquid vitamin D3 drops in a vegan form sourced from lichen, providing 400IU per drop

Viridian 100% Organic Golden Flax Seed Oil

Viridian 100% Organic Golden Flax Seed OilFrom:  £8.90

Perfect vegan alternative to obtain the essential omega oils.

Viridian 100% Organic Hemp Seed Oil

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Suitable alternative to evening primrose oil supplements.

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Can be added to smoothies or salad dressing, drizzled over food.

Viridian Alpha Lipoic Acid 200mg Veg Caps(30)

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Helps to prevent cell damage.

Viridian Balanced Amino Acid Complex Veg Caps (90)

Viridian Balanced Amino Acid Complex Veg Caps (90)£30.40

This food supplement provides essential amino acids in an appropriately balanced ratio.

 

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