Good Health Viralex® Vitamin C Extra Strength is a scientifically researched high strength immune support powder for use in times of immune challenges, with antioxidant protection against free radicals. A high dose of buffered Vitamin C, which is easy on digestion while ensuring it supports the body’s immune defences when you need it most, such as, in times of stress or in the season of ills and chills. Viralex® Vitamin C Extra Strength also contains Vitamin D3 and Zinc to support all-round immune defences. Viralex® Vitamin C Extra Strength is a natural orange flavoured powder that mixes easily into water, juice or smoothie for a delicious drink.