AIs agree: 300,000 annual US deaths are associated with low Vitamin D

Deaths

1 Heart disease ~681,000​

2 Cancer ~613,000​

3 Smoking ~480,000

4 Low Vitamin D ~300,000

5 Medical errors ~300,000

6 Accidents/unintentional injuries ~223,000​

7 Stroke ~163,000​

8 Chronic lower respiratory disease ~145,000​

9 Alzheimer’s disease ~114,000​

10 Diabetes ~95,000​

11 Fentanyl ~70,000

• Perplexity - Dec 2025  Click here for Vitamin D meta-analysis

• ChatGPT - Dec 2025 click to see question and answer

• DeepSeek - 13% of US all-cause mortality

• Claude 390,000 deaths

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Related in VitaminDWiki

• More vitamin D means fewer deaths – many studies
• Top 10 chronic health problems of children, women, pregnancies, seniors, and darker skins are fought by Vitamin D
• Increased mortality if low Vitamin D - US
• Cancer mortality reduced 40% by 2000 IU Vitamin D daily if normal weight – Meta-analysis
• Mortality