Rhonda Patrick on Vitamin D3

“I personally take 4,000 IUs a day and I get my vitamin D levels measured, ideally quarterly, and my levels hover around 50 nanograms per milliliter.”

Rhonda Patrick at Orthomolecular Medicine Congress in Bussum, Netherlands (Keynote Oct. 3rd, 2015)

“I currently supplement with 4,000 IUs per day and my levels are consistently 50 nanograms per milliliter.”

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“In the evening after dinner, I take my vitamin D.”

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“I personally take 4,000 IU a day and my levels range between 50 to 54 nanograms per mil, which is considered adequate.”

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“I'm taking the vitamin D K2.”

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“Vitamin D can actually protect your DNA. Telomeres are caps at the end of your DNA that protect it from unwinding, and vitamin D can actually protect telomere length.”

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“Vitamin D also upregulates a variety of neurotrophic factors including nerve growth factor and brain-derived neurotrophic factor.”

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“Having levels above 30 is associated with a lower all-cause mortality.”

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“Nutrition research has demonstrated the positive benefits of micronutrient supplementation such as vitamins D, E, B and omega-3 fatty acids on disease prevention and decreasing all-cause mortality.”

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“Vitamin D is so much more than a vitamin. It's actually converted into a steroid hormone. That means that it goes into the nucleus of our cells and interacts with our DNA and it activates genes that are important.”

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“They found weekly doses, daily doses worked, but monthly doses did not in terms of protecting against acute respiratory tract infections.”

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“You want to have your 25-hydroxyvitamin D levels between 30 to 60 nanograms per milliliter as a great level to have.”

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“They were given 4000 IU of vitamin D a day.”

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“Depending on like vitamin D we have more, it's not exact but that was the default that we finally agreed to after multiple meetings and intense discussions.”

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“Vitamin D levels should be measured prenatally. If these women do not have enough vitamin D, they need to be given a vitamin D supplement.”

Rhonda Patrick at Orthomolecular Medicine Congress in Bussum, Netherlands (Keynote Oct. 3rd, 2015)

“You don't really want to go above 80 nanograms per milliliter; then you start getting into a pretty high range.”

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“Vitamin D2 supplementation with vitamin D2 seemed to like inhibit some of the effects of vitamin D in muscle.”

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“In this study they only took 2,000 IUs a day. If you're deficient it takes about 4,000 IUs of Vitamin D3 a day to bring you up to a sufficient status.”

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“Sunscreen, dark skin color, high body fat and old age all affect the ability of your body to produce vitamin D upon UVB radiation.”

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“About 50% of the vitamin D bioavailability is reduced in people that are overweight and obese. So, you're just not able to release vitamin D into the bloodstream to be converted into the active steroid hormone.”

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