Strawberries contain potassium, vitamin K and magnesium which are important for health. Strawberries are filled with biotin, which helps build strong hair and nails. Direction to use: Mix 5g with 100ml of water for an unsweetened juice for children, mix with apple juice if you like it slighter sweeter, then freeze to make ice lollies. You can use strawberry powder in backing cakes, porridge, smoothies, yogurt, ice-cream, milk drinks and so on.