Eating only meat long-term might hurt your heart, mess with your metabolism, and weaken your gut and immune system because it lacks fiber and key nutrients found in plants.

Eating only animal foods might reduce body-wide inflammation, keep blood sugar steady, and give you lots of important nutrients—all of which could help your metabolism work better.

If you cut out fiber by eating only meat, it might mess with your gut bacteria and weaken your gut lining over time.

Eating only animal products might help calm inflammation in your body by lowering high triglycerides, which could mean your metabolism is under less stress.

Eating only animal products might help balance your hunger hormones so you naturally eat less and lose body fat, especially if you're overweight.

If you're eating only meat on a carnivore diet, you're probably getting almost no fiber and missing key vitamins and minerals like vitamin C and potassium, which could put your health at risk over time.