Vitamin D deficiency affects 42% of US adults

EVIDENCE CARD

#09C2DED4

"Vitamin D deficiency affects 42% of US adults"

Author confidence: Medium confidence78%

Rationale

"NHANES data shows widespread deficiency, especially in certain demographics."

1 SOURCES

ncbi.nlm.nih.gov

NHANES analysis

COMMUNITY RATING

Last updated Jan 9, 2026

CURRENT

Visibility: Public

Have a claim you want to back up?