{"podcast":{"title":"The Evolving Wellness Podcast with Sarah Kleiner Wellness","slug":"the-evolving-wellness-podcast-with-sarah-kleiner-wellness-2136142","podcast_index_feed_id":2136142,"rss_url":"https://anchor.fm/s/48b7c51c/podcast/rss","website_url":"https://www.sarahkleinerwellness.com/courses","image_url":"https://d3t3ozftmdmh3i.cloudfront.net/staging/podcast_uploaded_nologo/12100031/12100031-1742232167558-1c82391d7cb44.jpg","author":"Sarah Kleiner","episode_count":350,"summary":"Sarah Kleiner Wellness challenges preconceived notions about modern health + wellness by breaking down scientific research into digestible, actionable actionable information to help people live genuinely healthy lives. We dive deep into circadian health, quantum health, hormone health, nutrition, and more. As a certified Nutrition + Quantum Health Coach, I provide instructor-led and self-led workshops and programs that allow people to regain control and intention over their wellness journey and health outcomes.","last_synced_at":null,"page_url":"https://stenobird.com/podcast/the-evolving-wellness-podcast-with-sarah-kleiner-wellness-2136142"},"episode":{"title":"The Dark Side of Vitamin D & the REAL Problem in Winter","slug":"the-dark-side-of-vitamin-d-the-real-problem-in-winter","published_at":"2025-12-24T10:55:00+00:00","page_url":"https://stenobird.com/podcast/the-evolving-wellness-podcast-with-sarah-kleiner-wellness-2136142/the-dark-side-of-vitamin-d-the-real-problem-in-winter","show_page_url":"https://stenobird.com/podcast/the-evolving-wellness-podcast-with-sarah-kleiner-wellness-2136142","url":"https://podcasters.spotify.com/pod/show/sarahkleinerwellness/episodes/The-Dark-Side-of-Vitamin-D--the-REAL-Problem-in-Winter-e3ckc58","audio_url":"https://anchor.fm/s/48b7c51c/podcast/play/112914024/https%3A%2F%2Fd3ctxlq1ktw2nl.cloudfront.net%2Fstaging%2F2025-11-20%2F414744477-44100-2-17f4fc117ad67.mp3","summary":"In this episode of the Evolving Wellness Podcast, I delve into the complexities of vitamin D and melatonin, particularly during the winter months. I discuss the natural decline of vitamin D levels in winter, the critical role of melatonin, and how modern lifestyles disrupt these hormonal balances. The conversation covers the impact of stress, alcohol, and blue light on health, the importance of circadian rhythms, and the potential benefits and drawbacks of vitamin D supplementation. Links: Become a substack subscriber &amp; get early access to podcasts + free courses - https://open.substack.com/pub/sarahkleinerwellness/p/uvbred-light-protocol?r=5eztl9&amp;utm_campaign=post&amp;utm_medium=web&amp;showWelcomeOnShare=true Holiday Sale - https://www.sarahkleinerwellness.com/SKW-holiday Free Webinar - https://www.sarahkleinerwellness.com/mycircadianapp-free-webinar Timestamps: 00:00 Introduction to Vitamin D and Melatonin 02:47 Understanding Seasonal Changes in Vitamin D Levels 06:13 The Role of Melatonin in Winter Health 09:00 Impact of Modern Lifestyle on Vitamin D and Melatonin 11:51 The Effects of Stress and Alcohol on Hormonal Balance 15:08 Circadian Rhythms and Their Importance 17:51 The Dangers of Blue Light and Sleep Disruption 21:07 Winter Infections and Their Impact on Vitamin D 23:59 Pros and Cons of Vitamin D Supplementation 27:13 Understanding Individual Variability in Vitamin D Metabolism 29:52 Short-Term Vitamin D Supplementation: When Is It Appropriate? 33:14 The Importance of Comprehensive Testing and Monitoring 36:01 Conclusion and Future Directions References &amp; further reading: Article: You’ve been warned about sunlight but not about supplements - http://sarahkleinerwellness.com/blog/you-ve-been-warned-about-sunlight-but-not-supplements Article - Can…","meta_description":"In this episode of the Evolving Wellness Podcast, I delve into the complexities of vitamin D and melatonin, particularly during the winter months. I discu…","key_points":[],"chapters":[],"topics":[],"duration_seconds":2847,"processing_state":"not_requested","actions":[{"name":"request_transcript","method":"POST","url":"https://stenobird.com/v1/public/podcasts/the-evolving-wellness-podcast-with-sarah-kleiner-wellness-2136142/episodes/the-dark-side-of-vitamin-d-the-real-problem-in-winter/transcription-requests","description":"Idempotently request low-priority transcript generation for this episode."},{"name":"read_markdown","method":"GET","url":"https://stenobird.com/podcast/the-evolving-wellness-podcast-with-sarah-kleiner-wellness-2136142/the-dark-side-of-vitamin-d-the-real-problem-in-winter.md","description":"Read the agent-friendly Markdown representation of this episode resource."}]}}