MOHIVATE

23. The Sunlight Hormone: Vitamin D | Deficiency, Balance & Modern Life

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In this episode of MOHIVATE, Dr Mohi Sarawgee explores vitamin D beyond the headlines, bringing clarity to one of the most discussed nutrients in modern health.

Often called the sunlight hormone, vitamin D sits at the intersection of health and environment, linking bone health and calcium balance with immune regulation and deficiency risk. This episode explains what vitamin D really does and why more is not always better.

Set against the background of recent headlines and supplement trends, this conversation brings clarity to testing, dosing, and safe supplementation, and explores why deficiency remains common in modern indoor lifestyles.

Alongside the science, the episode traces the history and evolutionary story of vitamin D, showing how human biology has always been shaped by sunlight and environment.

With clinical insight and practical perspective, this episode invites you to understand vitamin D as a foundational part of health in modern life.

References

1. NICE Vitamin D Guidance (UK)

https://www.nice.org.uk/guidance/ph56

2. NHS Vitamin D Overview (UK)

https://www.nhs.uk/conditions/vitamins-and-minerals/vitamin-d/

3. SACN Vitamin D and Health Report (UK Government)

https://www.gov.uk/government/publications/sacn-vitamin-d-and-health-report

4. NIH Vitamin D Fact Sheet for Health Professionals (USA)

https://ods.od.nih.gov/factsheets/VitaminD-HealthProfessional/

5. Endocrine Society Clinical Practice Guideline (International)

https://www.endocrine.org/clinical-practice-guidelines/vitamin-d-for-prevention-of-disease

6. Evaluation, Treatment and Prevention of Vitamin D Deficiency

https://academic.oup.com/jcem/article/96/7/1911/2833671

7. Vitamin D Testing and Clinical Use (MedlinePlus / NIH)

https://medlineplus.gov/lab-tests/vitamin-d-test/

8. Public Health England and NICE Vitamin D Statement

https://www.gov.uk/government/publications/vitamin-d-supplementation-during-winter-phe-and-nice-statement

9. Vitamin D and Immune Function Review 

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3166406/



Just a gentle reminder: this episode is for information, education, and inspiration only. It’s not a substitute for your doctor’s advice. For any personal health concerns, always seek guidance from your doctor.