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Vitamin D is one of the most commonly taken supplements... but should YOU actually be taking it?

For our supplement guide, see: https://www.healthmappingclinic.com/r...

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In this video, I walk through an evidence-based framework to help you decide whether vitamin D is right for you, how to take it safely, and how to know if it’s actually working. We cover what vitamin D does in the body, how deficiency is defined, what the science really says about benefits like bone health, immunity, falls, cancer risk, and why measuring blood levels matters far more than blindly taking a dose.

This isn’t about blanket recommendations or megadosing. It’s about personalised, measured supplementation based on your biology, lifestyle, and risk profile.

This video is for education only and reflects current scientific evidence.
It is not medical advice. Supplementation should always be individualised using blood tests and clinical context.

Timestamps

00:00 What vitamin D actually is (and why it acts like a hormone)
01:20 What vitamin D does in the body
02:15 Why people take vitamin D (and who benefits most)
03:10 Deficiency vs insufficiency vs optimal levels
03:55 The blood test that actually matters (25-hydroxy vitamin D)
05:00 Benefits and risks of supplementation
06:10 What the research really shows (falls, immunity, cancer, diabetes)
07:40 How to take vitamin D properly (form, dose, seasonality)
08:45 What levels to aim for and why measuring matters
09:45 Final takeaways and framework recap

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