One serving (50g) of these green soybeans provides 5.5g of protein, 2.6g of fibre and plenty of folate, vitamin K and magnesium - the latter plays a crucial role in muscle contraction. A 2009 study, found soybean antioxidants, called isoflavones, decreased
-rich, muscle-boosting Whole-grain quinoa (pronounced ‘keen-wa') makes most other grains look like nutritional lightweights. No grain has more protein (8g per 170g cooked). It has hefty amounts of carbohydrate and more magnesium, folate, iron and fibre than
