Not all nuts are equally high in protein. Here are the top five most protein-rich nuts to help support your muscles and overall health.  However, not all nuts pack the same amount of protein. Here are some nuts with the highest protein content to help keep your muscles and your body healthy and strong. Peanuts Peanuts contain 7 grams of protein per ounce and are also high in antioxidants, which help protect the body from cellular damage. Almonds A close second are almonds, which contain 6 grams of protein per ounce. Almonds are often considered a superfood, as, similar to peanuts, they are filled with antioxidants. Pistachios Pistachios are not only tasty but also pack 5.7 grams of protein per ounce, along with potassium, copper, magnesium, and vitamin B1, all of which support brain health. Cashews Containing 4.8 grams of protein per ounce, cashews are still a pretty good choice for those looking to increase their protein intake. They are also high in magnesium and iron. Hazelnuts Hazelnuts provide 4.3 grams of protein per ounce and help fight “bad cholesterol.” Research suggests that consuming 50 grams a day can lower LDL-cholesterol by up to 7.4%.