Lamb is a red meat that is rich in high quality protein, vitamins and minerals and is great for a Keto diet.
Lamb has zero net carbs.
Mutton which is meat from an adult lamb and lamb meat of the younger animal. Lamb and mutton is a nutritionally dense food with a gamey taste.
The same concept generally applies to eating all types of animal meat while trying to lose weight, pick leaner cuts of meat. A strange myth that goes around in the Keto community is that you can eat as much fat as you want and still lose weight is incorrect, and will cause weight loss stalls of even cause weight gain. Lamb loin chops, shoulder and shank are good choices when choosing leaner cuts of lamb.
Red meats including lamb is a good source of the amino acid beta-alanine which the human body uses to produce carnosine. Carnosine is important for muscle function and help preserve muscle mass. It is associated with decrease muscle fatigue and improved exercise performance.
Lamb is also a good source of creatine, which is known as a supplement which directly enhances muscle performance. Animal meats such as beef, pork and lamb all contain similar quantities of creatine which vary by cuts. Supplementing creatine through real food is going to be most economical, safest and healthiest way to improve exercise performance. As an example, 454 grams (1lb) of lamb will contain around 2 grams of creatine. 2 grams to 5 grams is a good amount for daily maintenance of your creatine stores. This may seem like a lot of meat to eat in one day, however early humans during the paleolithic era in hunter/gatherer societies would easily eat that amount of meat per day before the days of plant and animal agriculture.
Lamb meat contain carnitine which is an amino acid that helps you body move fatty acids into the mitochondria for burning as energy. Carnitine has been associated with various benefits including improved weight loss, improvements in brain function, heart health, exercise performance and reduction of depression symptoms. Food sources of carnitine provide the best absorption in to the body.
Lamb and other meats contain taurine is an amino acid found in meat which may be beneficial to your muscles and heart. It is also an ingredient used in many energy drinks such as Red Bull.
Lamb is an excellent source of vitamin B3, B12, zinc, selenium, phosphorus and highly bioavailable heme-iron.