To be clear the keto diet is not just any low carb diet. Keto is 75% of your calories from fat, this is the fuel part of your diet that trains your body to burn fat. Most people need about 20% protein to maintain and repair muscles. If you are trying to build muscle mass by intense weight lifting or some other training you may need more protein. However, if you eat more protein than you need your body will turn it into sugar. This can be knock you out of ketosis and make some nasty byproducts in the process.Track your nutrition smart.