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

🥑 Make smarter food choices. Become a member at - 10% off with code ZOEYOUTUBE10 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’. 🌱 Try our new plant based wholefood supplement - Daily 30 *Naturally high in copper which contributes to normal energy yielding metabolism and the normal function of the immune system Follow ZOE on Instagram | 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 | Every Body Should Know This by Dr Federica Amati | | Food For Life by Prof. Tim Spector | 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 Cut-points for associations between vitamin D status and multiple musculoskeletal outcomes in middle-aged women (2016), published in Osteoporosis International Assessment of the genetic and clinical determinants of fracture risk: genome wide association and mendelian randomisation study (2018), published in British Medical Journal Other episodes of ZOE Science & Nutrition: Have feedback or a topic you'd like us to cover? Let us know here: Episode transcripts are available here: