What is ImmunoVit? Healthspan have developed a range of immune health supplements containing innovative ingredients combined with proven immune nutrients. Ideal for anyone looking for seasonal protection or year-round immunity support. What is Super C & Vegan D Plus? A combination of four immune health super ingredients: vitamin C, vitamin D, vitamin B12 and zinc. One convenient, daily tablet provides high levels of each to deliver robust support for your immune system and safeguard you from any deficiencies. While most forms of vitamin D are derived from animal sources, this formulation also uses an innovative algal form of vitamin D3, making this product suitable for vegans. *Vitamins B12, C, D and zinc contribute to the normal function of the immune system.