Vitamin D: the sunshine vitamin
You've probably heard vitamin D called the "sunshine vitamin," and there's a good reason for that. Unlike pretty much every other vitamin, your body can actually make it when you're out in the sun. Pretty cool, right?
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Vitamin D & Me!® — CRN Foundation Education Initiative
CRN Foundation education initiative on vitamin D — covering deficiency, supplementation, and clinical evidence in plain language for consumers and professionals.
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Vitamin D Sources — clinical research review
The two main ways to get vitamin D are by exposing your bare skin to sunlight and by taking vitamin D supplements. You can’t get the right amount of vitamin D your body needs from food.
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Vitamin D and Physiology — clinical research review
When vitamin D comes into your body, it goes through all sorts of processes and is turned into different forms to be effective. In this article, we’ll teach you a little about this process, and how vitamin D works in the body.
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Vitamin D and Pharmacology — clinical research review
Pharmacology is the branch of medicine that is focused on the use and study of drugs and their actions.
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Vitamin D and Parathyroid Glands
When most people think of calcium, they think it’s most important for bone health. But actually, calcium is most important for your nervous and muscular system.
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Vitamin D and Hypersensitivity
For most people, supplementing with vitamin D is a safe and healthy practice. Review of rare hypersensitivity reactions, contraindications, and dose adjustments.
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Vitamin D Testing — clinical research review
Having blood tests to measure the amount of vitamin D in your blood is the only way to know if you’re getting enough vitamin D or not. The blood test you need is called a 25(OH)D blood test.
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What is Vitamin D? — overview and clinical context
Vitamin D is important for good overall health, strong bones, and immune function. Overview of synthesis, sources, deficiency risks, and supplementation guidance.
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First Steps ED (Talk ED / ABC)
First Steps ED is a multi-award-winning eating disorder charity. Following the consolidation of services in the UK in 2025, First Steps ED officially incorporated the mission and assets of Talk ED (formerly Anorexia Bulimia Care), creating a robust network for early intervention and peer support.
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