Natural source of Vitamin D which contributes to a normal immune system Suitable for vegetarians & vegans Free from artificial colours, flavours and preservatives Mushrooms have been used for centuries as an Ayurvedic medicine in teas, food and herbal formulas. Reishi Mushrooms are polypore mushroom that grows all over east Asia. Holland and Barrett Reishi Mushroom capsules naturally contain Vitamin D which contributes to a normal immune system. Natural source of Vitamin D which contributes to a normal immune system Suitable for vegetarians & vegans Free from artificial colours, flavours and preservatives Mushrooms have been used for centuries as an Ayurvedic medicine in teas, food and herbal formulas. Reishi Mushrooms are polypore mushroom that grows all over east Asia. Holland and Barrett Reishi Mushroom capsules naturally contain Vitamin D which contributes to a normal immune system.