Vegan Vitamin D3 1000iu 180 Tablets – Plant Sourced Cholecalciferol. HIGH DOSE Pharmanostix Vegan Vitamin D3 is derived from algae, making it low-CO2 and 100% plant source. Vitamin D3 from algae uses no pesticides and no harsh solvents as it is grown in controlled conditions. It is also a very low-energy process as algae grows so rapidly, whilst waste algae can be reused in the next round of algae growth, making it an efficient and sustainable process. Vitamin D regulates the amount of calcium and phosphate in the body, both needed for healthy bones, teeth and muscles. It is found naturally in a small number of foods including oily fish, red meat, liver and egg yolks and in fortified food like breakfast cereals and fat spreads but Vitamin D is known as the sunshine vitamin, because our bodies generally rely on our skin making vitamin D from sunlight. Helps keep bones, teeth and muscles healthy Supports the immune system Vitamin D contributes to the maintenance of normal bones, muscle function, teeth & immune system. Vitamin D also contributes to normal absorption/utilisation of calcium and phosphorus, to normal blood calcium levels and has a role in the process of cell division.