FoundMyFitness #009 Rhonda Answers the Most Popular Questions About Vitamin D
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Aug 6, 2015 Dive into the intriguing world of vitamin D as Dr. Rhonda Patrick tackles popular questions. Discover how to determine your ideal supplementation level and whether it's possible to overdo it. Learn about the differences between vitamin D from sunlight versus supplements and which forms are absorbed best by the body. This informative discussion sheds light on the essentials of maintaining optimal vitamin D levels for your health!
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Tailor Vitamin D Supplementation
- To reach optimal vitamin D levels (40-60 ng/mL), supplement around 4,000 IU daily if deficient or low sun exposure.
- Adjust supplementation based on sun exposure, skin tone, age, and body fat; test blood levels to tailor doses.
Sun Exposure Affects Supplement Needs
- A friend living in sunny Los Angeles took 5,000 IUs daily but her vitamin D level rose to 90 ng/mL, which is too high.
- She reduced her intake to 2,000 IUs and her levels normalized to about 50 ng/mL.
Avoid Vitamin D Toxicity Risks
- Avoid excessive vitamin D intake; toxicity typically occurs above 10,000 IU/day and causes hypercalcemia.
- Supplement vitamin K1 and K2 to direct calcium to bones and prevent blood vessel calcification.