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Dr. Joseph Mercola - Take Control of Your Health

The Hidden Reason Vitamin D Fails in People with Obesity

February 12 · 5 min · 7.2 MB
0:00-5:01

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  • Extra body fat interferes with how vitamin D works after it enters your body, which explains why low levels often persist despite supplements or sun exposure
  • Vitamin D can become trapped in fat tissue and fail to convert into its usable form, leaving blood tests low even when intake appears sufficient
  • Deep belly fat and liver fat have the strongest impact on vitamin D availability, making waist size more important than body weight alone
  • Taking higher doses of vitamin D doesn't always fix the problem if metabolic signals from excess fat remain unchanged
  • Reducing visceral fat, restoring metabolic health, and supporting proper vitamin D activation help vitamin D function normally again