However, your body's inability to absorb B12 from food declines with age, making deficiency more common in older adults, especially men over 40, who have various signs and symptoms in their legs and .
Not having enough iron can cause symptoms ... deficiency. Furthermore, a minority of people with iron deficiency reported taking iron supplements—22% to 35% of women and 12% to 18% of men. “ ...
Vitamin D is fat-soluble. The natural source of vitamin D is sunlight, which can naturally fulfill the deficiency of vitamin D. But due to a bad lifestyle, people are facing severe deficiency of ...
Vitamin C deficiency is considered rare in the United States and other developed countries. However, having certain conditions may increase your risk of vitamin C deficiency. This includes type 2 ...