Though many people take Vitamin D supplements, many of them do not see any results even when they take it daily. Several factors may contribute to Vitamin D ineffectiveness. Let’s learn about a few.
How much vitamin C you need per day depends on your age, gender, whether or not you're currently pregnant, and if you smoke. Here are the guidelines and general limits.
In some cases, even 1,000 to 2,000 IU daily is insufficient to raise Vitamin D levels to the desired range. Without monitoring the blood levels, it becomes virtually impossible to know whether ...