180 Vitamin D Tablets (6 months supply)🧐 WHY BUY OUR VITAMIN D 4000IU TABLETS? Vitamin D tablets maintain bone and muscle health – Public Health England advises everyone needs a daily Vitamin D supplement. Most of our competitors provide Vitamin D3 4000 IU which is 10X the recommended intake suggested by the NHS. Taking too much D3 Vitamins can cause too much calcium to build up and be harmful to the body. We provide premium quality optimum level Vitamin D3 4000IU supplements which are formulated in the UK.