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Dr Stasha Gominak argues government should not set vitamin D guidance

Diary of a CEO · Vitamin D Expert: The Supplement World Is Giving The WRONG Advice! · July 27, 2026
Dr Stasha Gominak argues government should not set vitamin D guidance
Diary of a CEO
Diary of a CEO
Vitamin D Expert: The Supplement World Is Giving The WRONG Advice!
"It's unfortunately been given to the government to give recommendations. It should never be in the hands of the government. The government doesn't know anything about our biochemistry."
Dr Stasha Gominak argues that vitamin D guidance should not be set by government bodies, saying they lack the biochemical expertise to issue recommendations. She claims population-level advice has fuelled confusion about dosing and interpretation.

About this episode

Neurologist and sleep clinician Dr Stasha Gominak tells Steven Bartlett she believes widespread vitamin D deficiency has contributed to a global rise in sleep problems and broader chronic illness, arguing that vitamin D functions as a hormone with brainstem relevance rather than a simple dietary “vitamin”. She describes sleep-study observations in headache patients and says that, after testing around 500 patients in late 2009, she found low vitamin D levels across the group and began trialling supplementation alongside other interventions.

Gominak advances a contested hypothesis that vitamin D deficiency disrupts the gut microbiome, lowering production of B vitamins and contributing to inflammation, pain and insomnia. She also argues that supplement dosing should be guided by blood levels, not fixed daily doses, and criticises what she describes as institutional reluctance to test or individualise vitamin D management. In a prominent anecdote, she cites a patient taking 30,000 IU vitamin D daily for several years while maintaining a blood level “in the 60s”.

She distinguishes sunlight exposure from supplementation, citing literature that skin-made vitamin D may behave differently and arguing that sunlight produces other compounds beyond vitamin D. The conversation ranges into microbiome theory (including faecal transplant practice) and ends with highly controversial assertions that conditions such as narcolepsy may be treatable through the same lens, including a claim that one patient “cured herself” using nicotine patches.

The episode is heavy on personal clinical experience and hypotheses rather than peer-reviewed consensus, with repeated warnings about supplement side-effects and dosing variability.

Key takeaways

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