Black beans or black turtle beans are a small, shiny variety of beans that are commonly found in South America. Like other legumes, they are prized for their high protein and fibre content.

Shattering the 'carbohydrate ceiling' could put the peloton into hyper-drive: '120 is a new reference, but the exact number ...

Both high-protein and low-carb diets are effective for weight loss. Consuming more protein may be the most important factor ...