With just over 70 calories, one large egg also provides six grams of protein.
A 5.5-ounce portion of plain, nonfat Greek yogurt comes in just under 100 calories. With 16 grams of protein, this snack is one of the more concentrated sources of protein on this list. Similar to eggs
Not only is tuna a protein-rich food, but it also packs essential fats, like omega-3. A 3.7-ounce portion of tuna contains 91 calories and a whopping 20 grams of protein.
While you can find many different types of jerky meats, beef jerky is one of the most popular options. A one-ounce portion provides just over 100 calories and nearly 10 grams of protein
While not the highest protein food on this list, peanut butter is a source of plant-based protein that also provides healthy fats and fiber
All cheese contains protein, but part-skim mozzarella may be your best option if you are looking to maximize protein within a 100-calorie portion.
Another plant-based source of protein on our list, you'll find around 11 grams of protein in a 100-calorie portion of edamame.