Studies show that 29% of U.S. adults are clinically deficient in vitamin D (?20 ng/mL) and those with low levels face significantly higher risks of Alzheimer’s and dementia—up to 125% increased risk in severe cases.
Indoor work, sunscreen use and seasonal sunlight variability make natural vitamin D synthesis unreliable. Dietary sources (e.g., fatty fish) also fall short, often necessitating supplementation.
Optimal vitamin D3 (cholecalciferol) supplementation requires: Form – D3 (bioidentical) over D2, dose – 5,000 IU daily to maintain 40–60 ng/mL levels and absorption – pair with healthy fats (e.g., olive oil) for bioavailability.
Vitamin D reduces brain inflammation, supports neuron health and helps clear amyloid plaques—potentially preventing 17% of Alzheimer’s cases if populations maintained sufficient levels.
Experts urge personalized vitamin D testing and supplementation as a simple, evidence-based strategy to safeguard cognitive health and delay dementia onset.
With Alzheimer’s disease affecting 6.5 million U.S. adults over 65—a number projected to nearly double by 2060—researchers are urgently seeking ways to mitigate risk. A growing body of evidence suggests that maintaining healthy vitamin D levels could play a critical role in preventing cognitive decline.
Read Full Article: https://www.naturalnews.com/2026-03-03-study-links-vitamind-deficiency-to-increased-alzheimers-risk.html