"Wild Nutritions biologically active form of Food-Grown® vitamin D3 is scientifically shown to be 100% more effectively absorbed** than the leading high street Vitamin D spray and capsules. Official recommendation: The UK Department of Health recommends that everyone should consider a daily supplement of vitamin D, especially during the autumn and winter. (Source: www.nhs.uk). **Scientifically provenThe results of a scientific study show that when compared to leading high street Vitamin D supplements in tablet and spray form, the Food-Grown® Vitamin D in our capsules was 100% more effectively absorbed."