Best Costco Products from Dietitians

By Alexandra Caspero on November 9, 2023

Costco is beloved for its bulk sizes and budget-friendly prices, but did you know it’s also a great place to shop for nutritious foods? As nutrition experts, dietitians know how to spot health-boosting bargains at the popular warehouse store.

From produce to high-quality proteins and pantry staples, these dietitian-recommended products offer great nutrition at Costco prices.

Just Bare Lightly Breaded Chicken Breast Chunks

Photo Credit: Shutterstock.

The Just Bare Lightly Breaded Chicken Breast Chunks available at Costco are a great option. They are made with antibiotic-free chicken and provide 16 grams of protein and only 1 gram of saturated fat per serving. They taste remarkably like Chick-fil-A chicken nuggets and are a definite crowd-pleaser at home!

Mandy Tyler, M.Ed., RD, CSSD, LD, Nutrition By Mandy

Rao’s Homemade Marinara Sauce

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Photo Credit: Costco Canada.

Rao’s homemade marinara sauce is a must-buy at Costco! It is also the cheapest per oz at Costco. I love and recommend Rao’s jarred marinara sauce because of its bold and delicious flavor. Plus, this is one of the few pasta sauces that contains no added sugar.

Katie Schimmelpfenning, RD, Founder of Eat Swim Win

Tasty Bite Organic Indian Madras Lentils

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Photo Credit: Tasty Bite.

I like this product as it is flavor-packed and can be heated in just 60 seconds. When paired with frozen cauliflower rice and brown basmati rice it can become a complete meal in under 15 minutes.

Laurie Thenedy, RD, Owner, Nutrition Renewed

Peanut Butter

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Photo Credit: Shutterstock.

I love their peanut butter! It’s very creamy and delicious made out of peanuts and sea salt only. Overall, peanut butter is a great plant-based protein source and this brand has 8 grams of protein per serving.

Patricia Kolesa MS, RDN The Dietitian Dish

Primal Kitchen Buffalo Sauce

Buffalo Sauce From Costco
Photo Credit: Shutterstock.

Primal Kitchen medium heat Buffalo sauce is a flavor party made from real ingredients like avocado oil, vinegar, and spices. With a creamy texture and feisty cayenne kick, it’s also gluten-free, dairy-free, and vegan and is fabulous on crispy cauliflower and Brussels, as well as air-fried wings.

Lauren Harris-Pincus, MS, RDN, founder of NutritionStarringYOU.com and author of The Everything Easy Pre-Diabetes Cookbook

Kirkland Organic Dried Mangoes

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Photo Credit: Shutterstock.

The Kirkland Organic Dried Mangoes are a great snack. The only ingredient is organic dried mangoes, with no added sugars. I love to eat dried mango with nuts.

Sarah Alsing, MS, RD Registered Dietitian and founder of Delightfully Fueled.

Kirkland Wild Caught Alaska Pink Salmon

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Photo Credit: Shutterstock.

I always have canned Kirkland Wild Caught Alaska Pink Salmon at home for an easy no prep protein source. It comes in a pack of 6 cans. One can provide 34 g of protein. I eat it with salads, crackers, and in a warp. There are so many ways to use this easy protein source.

Sarah Alsing, MS, RD Registered Dietitian and founder of Delightfully Fueled.

That’s It Mini Fruit Bars

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Photo Credit: Shutterstock.

These are a staple in my pantry for an easy on-the-go option. The only ingredient is fruit, so you can feel great about adding these to a lunch or a snack when you are all out of groceries. I love having them for the weeks when I am traveling or on the go, as they fit in a bag easily and don’t go bad quickly!

Marissa Meshulam, registered dietitian and founder of MPM Nutrition

Simple Mills’Honey Cinnamon Sweet Thins

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Photo Credit: Simple Mills’.

Having sweet treats that you can feel good about at home is a no-brainer for me. I love these as a pantry staple when your sweet tooth hits but you do not want to go on a blood sugar roller coaster. The main ingredient is a seed & nut flour blend, making them a nutritious sweet choice.

Marissa Meshulam, registered dietitian and founder of MPM Nutrition

Wild Planet Albacore Wild Tuna

Wild Planet Foods
Photo Credit: Wild Planet Foods.

The Albacore Wild Tuna from Wild Planet are a staple in my pantry, as they provide an easy, no-prep-necessary protein source for the days I have not prepped ahead. I love this brand as they ensure good quality fish. Plus – since they are stable in your pantry for a while, you can stock up to make sure you are never devoid of a quick protein lunch.

Marissa Meshulam, registered dietitian and founder of MPM Nutrition

Whisps Cheddar Cheese Crisps

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Photo Credit: Shutterstock.

I love Whisps, as they provide you with the salty crunch of a chip, but are made with 100% real cheese, meaning you get to satisfy your salty craving, but also get a good source of protein—10g+ per serving—to keep you fuller, longer.

Marissa Meshulam, registered dietitian and founder of MPM Nutrition

Frozen Broccoli Florets

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Photo Credit: Shutterstock.

My absolute go-to at Costco has to be the Frozen Broccoli Florets. They come in these convenient individual packages, making it a breeze to grab just the right amount for your meal. Whether you’re in the mood for a crispy side dish from the air fryer, a perfectly roasted option from the oven, or a lightning-fast nuke in the microwave, these florets have got you covered. And here’s the real gem: toss them into a creamy broccoli cheddar soup, and you’ve got yourself a mouthwatering delight that’ll have your taste buds singing!

Tiffany Lankford, MS, RD, LD

RealGood Foods Company Chicken Strips

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Photo Credit: Shutterstock.

My go-to item at Costco is RealGood Foods Company Chicken Strips as this product is a healthier item breaded with chickpea flour instead of refined flour, which adds some dietary fiber with a whopping 23 grams of protein in a serving. They crisp up perfectly in the air fryer. Better yet, they are family and kid-friendly!

Nicole Ibarra, RD, LD

OLIPOP

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Photo Credit: Shutterstock.

When I’m in the mood for something bubbly, I love sipping on OLIPOP. This tasty soda alternative comes in a variety of nostalgic flavors like Classic Root Beer and Vintage Cola. OLIPOP also contains 9 grams of prebiotic fiber and 2 to 5 grams of sugar per can, which supports gut health and blood sugar balance.

Catherine Karnatz, MPH, RD, Owner of Nutrition Education RD and OLIPOP Nutrition Partner.

Canned Beans

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Photo Credit: Shutterstock.

Costco sells a wide variety of black beans, chickpeas, and kidney beans, which are rich in protein and fiber.

Wan Na Chun, MPH, RD, CPT of One Pot Wellness, One Pot Wellness.

Balsamic Vinegar and Olive Oil

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Photo Credit: Shutterstock.

The Kirkland brand has high-quality options for cooking and dressings.

Wan Na Chun, MPH, RD, CPT of One Pot Wellness, One Pot Wellness

Siete Chips

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Photo Credit: Shutterstock.

Costco has a great price for these grain-free chips in sea salt, lime, and nacho flavors.

Wan Na Chun, MPH, RD, CPT of One Pot Wellness, One Pot Wellness.

RXBars

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Photo Credit: Shutterstock.

I love buying the RXBars for easy protein bars with simple ingredients in various flavors. It is a great convenient snack.

Wan Na Chun, MPH, RD, CPT of One Pot Wellness, One Pot Wellness.

PBfit

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Photo Credit: Shutterstock.

This is powdered peanut butter which is easy to add to smoothies and baking for additional protein and a hint of nuttiness.

Wan Na Chun, MPH, RD, CPT of One Pot Wellness, One Pot Wellness.

Sukhi’s Chicken Coconut Curry with Mango

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This is an easy dinner option that only takes a few minutes to make and adds tons of flavor. Pair with rice, roasted veggies, and naan.

Alex Turnbull, RDN, LD, My Family Nutritionist

Annie’s Variety Pack of Macaroni & Cheese

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With two kids, macaroni and cheese is a staple in our house and this Annie’s variety pack is always a must anytime I go to Costco. I love that you get three different kinds of macaroni & cheese. This way you’re still giving the pickiest of eaters variety.

Alex Turnbull, RDN, LD, My Family Nutritionist

Taylor Farm Mexican Style Street Corn Chopped Kit

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Salad kits are one of the main reasons I eat salads. They’re convenient and I don’t have to buy 10 different ingredients just to make a tasty salad. Taylor Farm Mexican Style Street Corn is hands down one of the best salad kits I’ve had. I never leave Costco without at least some kind of salad kit.

Alex Turnbull, RDN, LD, My Family Nutritionist

Wildbrine Raw Organic Kraut Blends

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Photo Credit: WildBrine.

One product I always stock up on from Cosco is the Wildbrine Raw Organic Kraut blend! Fermented foods, like sauerkraut, contain probiotic microorganisms which may improve overall digestive health! Sauerkraut also acts as a prebiotic, encouraging the growth of beneficial bacteria in the gut microbiome. Wildbrine Kraut can last for months in the refrigerator, making it a perfect item to buy in bulk!

Gut Health Dietitian Julie Balsamo, MS, RDN

Beyond Burgers

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I always love to keep plant-based options stocked in the freezer for Meatless Mondays or game day parties. Luckily, the newest Beyond Burger is rolling out now at Costco stores nationwide! This satisfying plant-based patty has the meatiest, juiciest flavor yet while also providing 19 grams of protein per patty with 35% less saturated fat than an 80/20 beef patty. It’s made from simple ingredients like pea and brown rice protein and cooks from frozen in 10 minutes.

Mackenzie Burgess, RDN, registered dietitian nutritionist and recipe developer at Cheerful Choices and Partner with Beyond Burger

Chickpeas

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Chickpeas, also known as garbanzo beans, are a great source of antioxidants that may help protect against chronic diseases, such as heart disease and cancer. They are also packed with plant-based protein–1 cup of cooked chickpeas contains 15 grams of protein. I like to stock up on this pantry-friendly food at Costco and use a variety of recipes. Try sprinkling them over leafy green salads, blending them into hummus, or adding them to customizable protein boxes.

Mackenzie Burgess, RDN, registered dietitian nutritionist and recipe developer at Cheerful Choices.

Sprouted Rolled Oats

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Photo Credit: One Degree Organic Foods.

Sprouted Rolled Oats by One Degree Organic Foods are higher in protein, various minerals, and insoluble fiber than traditional rolled oats, boasting 6 grams of protein and 4 grams of fiber per serving. Use sprouted oats just as you would old-fashioned rolled oats, whether making baked oatmeal or energy bites!

Kristi Ruth RD/RDN, CNSC, LDN, Carrots & Cookies

Extra Virgin Olive Oil

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Photo Credit: Shutterstock.

Extra Virgin Olive Oil Extra virgin olive oil (EVOO) is an excellent source of mono-unsaturated fats and other properties, like polyphenols, that have been shown to have an anti-inflammatory effect. Believe it or not, EVOO can be used for more than just salad dressings. I use it in place of other oils for pretty much everything, including baking, roasting veggies, and making marinades for chicken and pork, as it has been shown to have a reasonably high smoke point. Still, as with other oils, if it starts to smoke while cooking, you’ll want to turn down the heat. Thankfully, you will find both organic and conventional extra virgin olive oil in the aisles of Costco, so there’s an option for every budget!

Kristi Ruth RD/RDN, CNSC, LDN, Carrots & Cookies

The 15 Healthiest Canned Foods To Stock Up On

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Having canned goods stocked in your pantry can help ensure you always have access to quick, healthy meals and snacks. Registered Dietitians love canned foods as they are nutritious, accessible and affordable, especially choices that are lower in sodium and added sugar.

To help stock your pantry, we asked nutrition experts to share their healthiest canned food picks– these are their top 15 must-have canned foods.

Read: The 15 Healthiest Canned Foods To Stock Up On

Nutritionists Can’t Live Without These 17 Healthy Trader Joe’s Buys

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Trader Joe’s has become a go-to grocery store for many health-conscious shoppers looking for great values on nutritious foods. With so many options lining the shelves, what are the best bets for healthy options according to experts?

We consulted Registered Dietitians across the country about their top food finds at Trader Joe’s. From plant-based proteins to snacking staples and everything in between, these dietitians handpicked their must-have items to fill your cart with.

These are Registered Dietitian’s favorite Trader Joe’s products.

Read: Nutritionists Can’t Live Without These 17 Healthy Trader Joe’s Buys

22 Nutritionist-Approved Packaged Snacks You Can Feel Good About Eating

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Photo Credit: Shutterstock.

Having dietitian-approved snacks on hand can make sticking to your health goals much easier when hunger hits. With minimal prep and portion control, these snacks offer an easy way to curb cravings and give your body the fuel it needs.

These are the best store-bought, dietitian-approved snacks.

Read: 22 Nutritionist-Approved Packaged Snacks You Can Feel Good About Eating

The Best ALDI Finds According to Nutrition Experts

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Photo Credit: Shutterstock.

With its low prices and clever finds, Aldi has become a go-to grocery store for many shoppers looking to save money.

We asked registered dietitians to share their favorite Aldi buys. From healthy snack foods to lean protein choices to vitamin-packed produce, these experts revealed their top Aldi picks that deliver great nutrition without costing too much.

Read: The Best ALDI Finds According to Nutrition Experts

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Meet Alex Caspero

Alex Caspero is a Registered Dietitian, New York Times Bestselling Chef, and mom of two. She aims to cut through the nutrition noise by providing real-life, nourishing tips for body and mind. Learn more about Alex.

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