FeedGreen strengthening Feedgreen superfood strengthening powder contains a specially formulated composition of valuable antioxidants, vitamins and minerals that can help to compensate for nutritional imbalances in dogs and cats. Superfoods are foods that contain particularly high levels of so-called vital substances such as vitamins, minerals or antioxidants. The 200g can of strengthening contains superfoods such as barley grass, spirulina, rose hips, chia seeds and moringa leaves, which support the immune system of dogs and cats on a daily basis thanks to their high content of valuable antioxidants, vitamins and minerals.