India, June 15 -- If you've been taking your vitamin D supplements regularly, following the recommended schedule and rarely missing a dose, it can be frustrating to see little or no improvement in your blood test results. While many people assume the supplement itself isn't working, the issue often lies elsewhere. One of the most important factors influencing the effectiveness of any supplement is how well it is absorbed and utilised by the body. Certain common mistakes can significantly reduce its impact.

Dr Dmitry Yaranov, a cardiologist and heart-transplant specialist with expertise in advanced heart failure and mechanical circulatory support, is highlighting common mistakes that may be preventing vitamin D supplements from working as...