High-Protein Costco Foods I Buy as a Fitness Trainer
As a mom who lifts heavy and values simple, nourishing meals, I’m always looking for easy high-protein staples that help me hit my daily protein goals and support muscle recovery. This roundup includes my favorite high-protein Costco finds from fridge and freezer staples to pantry items that make quick, balanced meals so much easier. If you’re busy but still want to fuel your body well, these are the Costco foods I rely on week after week.
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As someone who trains consistently and juggles family life, I’ve learned how important it is to build meals around quality protein. I aim to get protein and produce at every meal, and having easy Costco options on hand helps me stay energized and support muscle repair after strength workouts, HIIT or even recovery days.
I love that Costco carries clean protein options, like their organic eggs, rotisserie chicken and breakfast sausages. Costco also offers plenty of vegetarian choices such as edamame, quinoa and Greek yogurt, which make it easy to hit protein goals without relying solely on meat.
I chose these protein-rich foods from Costco because they’re convenient, taste great and offer clean, high-quality protein without unnecessary fillers. When shopping for protein at Costco, I focus on foods that deliver at least 6-25g of protein per serving, come from real ingredients, and make meal prep as simple as possible. My favorite meal prep items include pre-cooked sausages, rotisserie chicken, cottage cheese and frozen proteins that save time during busy weeks.
Personally, I get my meats such as beef, pork, wild-caught seafood and chicken breasts from ButcherBox, which has been a service I’ve relied on for years. It saves me time, keeps my freezer stocked, and knowing the meat is responsibly raised gives me peace of mind every time I cook.
High Protein Snacks
My favorite high-protein Costco snacks I keep stocked in my fridge, pantry, car and diaper bag. They make it easier to hit my goals, feel my best and I feel good giving them to my kids, too.
Best Costco Snacks
Ready-Made and Convenience Proteins
Kirkland Rotisserie Chicken
A budget-friendly, high-protein staple I love for quick meal prep. I add it into salads, grain bowls or pair it with veggies for an easy, balanced plate.
23g protein per 3 oz
AmyLu Chicken Sausages
Lean, flavorful and super convenient for busy mornings. I love slicing them into egg scrambles or adding them to a veggie-loaded skillet.
14g protein per 1 link
Amylu Apple and Gouda Cheese Chicken Sausage
I love pairing these high-protein sausages with roasted veggies for a quick lunch or tossing them on the grill for a simple weeknight dinner.
16g protein per 1 link
Amylu Chicken Meatballs Basil and Parmesan
These make high-protein meals effortless without sacrificing flavor. I toss them into pasta, spaghetti squash or serve them with marinara and veggies.
17g protein per 4 meatballs
Jones Dairy Farm Fully Cooked Pork Sausage
Perfect for savory breakfast lovers who want effortless protein. I heat these alongside eggs or add them to breakfast bowls – and my kids absolutely love them too.
7g protein per 3 sausages
Kirkland Signature Grass-Fed Beef Patties
A high-quality protein that cooks quickly and works for so much more than burgers. I use these patties for protein bowls, lettuce wraps or for hosting cookouts during the summer.
26g protein per patty
Kirkland Signature Oven Browned Turkey Breast
Lean, versatile deli meat I love for easy lunches. Perfect for wraps, sandwiches or adding extra protein to a snack plate.
12g protein per 2 oz
Dairy and Eggs
Kirkland Organic Eggs
One of the most affordable whole food proteins. Ideal for breakfast, meal-prep egg bakes or a great addition to ramen or rice bowls.
6g protein per egg
Liquid Egg Whites (Carton)
A great way to boost protein without extra fat. I add them to omelets, oatmeal or pancake mixes for extra protein.
5g protein per 3 tbsp
Cottage Cheese (Good Culture or Kirkland)
One of my favorite high-protein, super versatile staples. I add it to smoothies, spread it on toast or mix it into pasta for extra creaminess and protein.
14g protein per ½ cup
Kirkland Organic Greek Yogurt
A protein powerhouse that works for snacks or breakfast. I love pairing it with berries and nuts or using it as a high-protein swap in sauces.
18g protein per ½ cup
Kirkland Signature Organic Hard-Boiled Eggs
Pre-cooked and perfect for on-the-go protein. I add them to snack boxes, salads or eat with fruit and toast.
6g protein per egg
La Terra Fina Quiche, Variety Pack
My favorite tasty and easy breakfast to serve when hosting for a crowd. It is packed with protein, whole food veggies, whole milk and wheat flour.
11g protein per ⅕ quiche
Pantry and Plant-Based Proteins
Kirkland Quinoa
A complete plant-based protein, I meal prep each week for an easy meal base. Perfect with roasted veggies, chicken or mixed into my favorite kale quinoa salad.
8g protein per cooked cup
Kodiak Cakes Protein Pancake Mix
My favorite way to make breakfast fun and protein-packed. Add egg whites or Greek yogurt to the batter for even more protein.
14g protein per serving
Kirkland Almond Butter
A perfect mix of healthy fats and protein to add to smoothies, toast or drizzle over oats for a satisfying breakfast.
6-7g protein per 2 tbsp
Organic Edamame (Frozen)
One of the best plant proteins, and so easy to prepare. I toss it into salads, grain bowls or eat it as a salty snack. Bonus: my kids love edamame as an after-school snack.
17g protein per cup
S&W Organic Garbanzo Beans
Affordable, filling and great for plant based meals. I use them in salads, roasted for snacks or blended into creamy hummus.
6g protein per ½ cup
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FAQs
What are the best high-protein snacks at Costco?
As an athlete, I look for high-protein snacks made with clean, real ingredients that keep me full and energized. A great snack should offer a balance of protein, healthy fats and fiber (without added sugars or artificial ingredients). Some of my go-to options from Costco include Greek yogurt, edamame, hard-boiled eggs, cottage cheese, turkey breasts, bone broth, pumpkin seeds, cashews and chickpeas.
What is the best protein bar to buy at Costco?
My favorite protein bars from Costco are G2G Bars because they have 18 grams of protein per bar and are made with simple, clean ingredients. Plus, they actually taste good, which is a win for any high-protein snack. Use discount code: NML at checkout to save on G2G bars.
Which Costco food has the most protein?
One of the highest-protein food items at Costco is Kirkland Rotisserie Chicken, which packs 23g of protein per serving. It’s a versatile staple I love for quick meal prep. I add it into salads, grain bowls or pair it with veggies for an easy, balanced plate. If you’re looking for a lean, whole-food protein source that keeps you full, this is a great option to grab next time you do your Costco shopping.
More Recipes
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