Vitamin D3 deficiency is common in sunny regions
6.0Moderate
evidence
evidence
The Claim
There is a belief that Vitamin D3 deficiency is widespread even in regions with abundant sunlight, suggesting a need for supplementation regardless of lifestyle.
Origin
This myth may have originated from reports of low Vitamin D levels in certain populations despite living in sunny climates, often highlighted in health media.
What Science Says
Research indicates that while some individuals in sunny regions may still experience Vitamin D deficiency due to factors like indoor lifestyles, clothing, and skin pigmentation, the prevalence is generally lower than in less sunny areas. Studies show that lifestyle and cultural practices significantly influence Vitamin D status.
Verdict
Misleading
Sources
- PMID:29420062 Epidemiology of vitamin D insufficiency and deficiency in a population in a sunny country: Geospatial meta-analysis in Brazil.
- PMID:26447257 Vitamin D deficiency and insufficiency in Africa and the Middle East, despite year-round sunny days.
- PMID:39511286 Prevalence and risk factors of vitamin D deficiency among Afghan primary school children.