Vitamin D is essential for healthy bones and teeth, muscle function, and immune function, yet a third[1] of us aren’t getting enough and it can take months to overcome a deficiency. ​

Swisse Fast Acting Vitamin D3 contains calcifediol, which is 3x more powerful than standard vitamin D (colecalciferol) and – when taken daily – is quicker at increasing vitamin D levels in the body, and may help to resolve a vitamin D deficiency faster.​