A great many factors influence body weight, most of them well known to us: but could a specific nutritional deficiency be hampering your efforts to stay in shape?

Vitamin D deficiency has an array of troubling symptoms, and according to a number of studies, we can add weight gain to the lengthy list.

So what’s the link here, and are there genuine grounds for adding vitamin D to your diet as a means of keeping the weight off? Read on to find out.