Dr. Tim Spector: Why these supplements don't work with Dr. Federica Amati

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Vitamin D is the world’s favorite supplement. Governments around the world recommend people take the supplement for at least six months out of the year. But do we really need these pills? Do they even work? And could they actually be harming us?

In this episode, two ZOE scientists - Professor Tim Spector and Dr Federica Amati reveal the truth about vitamin D.

Tim is scientific co-founder of ZOE and professor of genetic epidemiology at King’s College London. Federica is head nutritionist at ZOE and author of the Sunday Times bestseller ‘Every Body Should Know This’.

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Timecodes:
00:00 The sunshine vitamin
01:50 Quickfire questions
04:50 What is vitamin D?
08:02 Is sunlight the best source of vitamin D?
10:35 Does vitamin D keep my bones strong?
16:40 Vitamin D levels: a marker of good health?
21:00 What counts as normal levels of vitamin D?
25:56 Vitamin D supplement controversy
30:05 Do calcium supplements help bones?
33:19 Can I take too much vitamin D?
41:18 The health conditions vitamin D could prevent
45:10 Tim’s sunscreen controversy
50:18 Vitamin D and immunity

Books by our ZOE Scientists:
The Food For Life Cookbook | https://amzn.to/4amfIMX
Every Body Should Know This by Dr Federica Amati | | https://amzn.to/4blJsLg
Food For Life by Prof. Tim Spector | https://amzn.to/4amZinu

Mentioned in today’s episode:
The VITAL Trial - Principal results of the VITamin D and OmegA-3 TriaL (VITAL) and updated meta-analyses of relevant vitamin D trials (2020), published in The Journal of Steroid Biochemistry and Molecular Biology https://pubmed.ncbi.nlm.nih.gov/31733...

Cut-points for associations between vitamin D status and multiple musculoskeletal outcomes in middle-aged women (2016), published in Osteoporosis International https://link.springer.com/article/10....

Assessment of the genetic and clinical determinants of fracture risk: genome wide association and mendelian randomisation study (2018), published in British Medical Journal https://www.bmj.com/content/362/bmj.k...

Other episodes of ZOE Science & Nutrition:
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Episode transcripts are available here: https://zoe.com/learn/category/podcasts