Observation

"Pilate saith unto him, What is truth? And when he had said this, he went out again..."

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Location: Tampa, FL, United States

Saturday, December 12, 2009

Vitamin A and D... Working Together

Vitamins A and D tend to balance one another, much like progesterone and estrogen work together. There's an avalanche of good studies coming out about the benefits afforded by Vitamin D but not as much on Vitamin A. Too much Vitamin A can undermine the benefits of Vitamin D. Apart from any Vitamin A deficiencies or known need for extra Vitamin A, if you take a multivitamin look for one that contains no more than 1000 units of preformed Vitamin A. Any more of this vitamin might work against whatever Vitamin D you make (UVB ray exposure) or ingest (food and supplements). If your Vitamin A label incorporates beta carotene, a Vitamin A precursor, then you don't need to count that against the Vitamin A content as it's not a concern in larger doses.

Cod liver oil contains Vitamin A and D. Look for one with a low ratio of Vitamin A: Vitamin D. Carlson's brand has a good ratio. If your cod liver oil has a higher ratio of Vit A:D consider switching to Carlson's brand or over to regular fish oil (molecularly distilled) or Neptune Krill Oil (a superior Omega-3 fat).

Disclaimer: I do not have stock in Carlson's cod liver oil or its parent company. This information is for informational purposes only. It is not intended to diagnose, treat, manage or cure disease. Seek out a personal licensed physician to manage all health-related matters.

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1 Comments:

Anonymous max said...

Vitamin A&D-Fish Oil is great stuff..
Vitamin D provides nutritive support for normal, healthy skeletal growth, strong bones and healthy calcium and phosphorus metabolism. Vitamin A provides nutritive support for healthy skin, bones and teeth.

9:24 AM  

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