Nutri-Nick Stevia Drops have created ten ready made flavours to enable you to add natural zero calorie taste and sweetness to tea, coffee, water, shakes, yoghurt and baking. Stevia Drops Spearmint Flavour are especially good in chocolate milk and shakes. Nutri-Nick Stevia Drops have created ten ready made flavours to enable you to add natural zero calorie taste and sweetness to tea, coffee, water, shakes, yoghurt and baking. Stevia Drops Spearmint Flavour are especially good in chocolate milk and shakes.