Eggs are high in protein, B vitamins, minerals and antioxidants. Two eggs contain zero carbohydrates and 12 grams of protein. Eggs have been shown to trigger hormones that increase feelings of fullness and keep blood sugar levels stable, and they also contain antioxidants such as lutein and zeaxanthin, which help protect eye health. When you cut down to very low carb intake, your body produces less insulin . With less insulin, your kidneys release more sodium, which can throw your other essential electrolytes out of balance and lead to temporary muscle cramping.