Support your immune system daily with Tonic Health Immunity & Vitality effervescent tablets. Each tablet delivers a powerful 4-in-1 blend of Vitamin D, Vitamin C and Zinc plus 8 more essential nutrients. Simply drop a tablet in water for a refreshing raspberry and lemon drink that's vegan, sugar-free and free from artificial ingredients. Formulated with plant-based Vitamin D3 and Reishi mushroom extract, these fast-acting tablets help combat tiredness, support healthy skin, hair and nails, and strengthen your body's natural defences. Doctor and nutritionist supported for optimal absorption.