If you don’t already eat them, it’s time to add blackberries to your diet because they are packed with health benefits. A doctor has shared five reasons why everyone should love the superfood, which is great eaten on its own, sprinkled over Greek yogurt or blended into a smoothie. “You guys know I love my berries and it’s blackberry season,” Dr Amir Khan said on Instagram. “Here are five reasons to forage for them or just buy some.” Firstly, blackberries are full of Vitamin C and Vitamin K.