A recent study published in the American Journal of Preventive Cardiology found that higher vitamin D doses do not improve heart health in older adults with low vitamin D levels. The research, ...
Taking Higher-Than-Recommended Doses of Vitamin ... vitamin D deficiency affects developing neurons in the brain's dopamine circuit, which may lead to the dopamine dysfunction seen in adults ...
Adults 71 or older: 800 IU (20 mcg) If a healthcare provider has diagnosed you with vitamin D deficiency, they may recommend higher doses until your body's vitamin D levels are restored. Sunlight ...