The truth about vegan food – and why it isn't as healthy as you think The plant-based revolution is here to stay, but are animal-free substitutes really the answer to our health and climate woes? 5 July 2021 • 5:00am Taste the rainbow: health experts say we should eat 10 servings of fruit and vegetables a day Credit: Alamy Images The vegan revolution has arrived. Not so long ago, buying a cup of coffee meant two choices: with milk or without. Now the barista reels off a list of options that sounds more like the contents of my kitchen store cupboard: will that be soy, oat, coconut, pea, rice, cashew or almond in your americano?