Nutrition Information for Costco Muffins: Calories, Carbs, Fat, and Protein

Which Costco Muffins Are Healthiest?

Which Costco Muffins Are Healthiest?
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Costco, the retail wholesale club, is known in part for its baked goods, including its muffins, sold under the Kirkland Signature brand name. They’re available in flavors such as cinnamon chip, blueberries and cream, lemon raspberry, and corn.

These muffins tend to be high in calories and fat, although the exact nutritional specifics vary between flavors.

Cinnamon Chip Muffins

The Kirkland Signature Cinnamon Chip Muffins are tied with the Kirkland Signature Blueberries & Cream variety for the highest-calorie muffin available: Each muffin contains 460 calories, according to the retailer.

Each cinnamon chip muffin also has 26 grams (g) of fat, with 16 g of saturated fat. According to the American Heart Association (AHA), you should get less than 6 percent of your daily calories from saturated fat to lower the risk of heart disease; that’s about 11 to 13 g of fat per day.

The cinnamon chip muffins are also high in carbohydrates with 54 g total, and 30 g of added sugar. They each contain only 1 g of dietary fiber, which is a nutrient that helps you feel full. As such, even though these muffins are high in calories, they may not make you feel satiated. Each cinnamon chip muffin also contains 5 g of protein.

Blueberries and Cream Muffins

Kirkland Signature Blueberries & Cream Muffins also contain 460 calories, with 25 g of total fat and 15 g of saturated fat, according to the retailer. They also contain 54 g of carbs, with 25 g of added sugar. This much added sugar makes up half the daily value (DV), according to the U.S. Food and Drug Administration (FDA). Each muffin provides 1 g of fiber and 6 g of protein.

Lemon Raspberry Muffins

Each Kirkland Signature Lemon Raspberry Muffin contains 420 calories, according to the retailer. That’s 21 percent of your daily intake, based on a 2,000-calorie diet. One muffin contains 23 g of fat, with 14 of saturated fat. It also has 50 g of carbohydrates, 23 g of added sugar, and 1 g of fiber. Each muffin contains 5 g of protein.

Corn Muffins

Kirkland Signature Corn Muffins are lower in calories than the other varieties, because they’re 20 to 23 percent smaller than the brand’s other flavors, according to the retailer. Each muffin provides 290 calories, or 14.5 percent of your daily intake, based on a 2,000-calorie diet.

These muffins have 10 g of fat, and 2 g of saturated fat, which makes them the best option for staying within the AHA’s saturated fat recommendation. Of the 44 g of carbohydrates in the muffins, 19 g come from added sugar, and they provide just 1 g of dietary fiber. Each muffin has 5 g of protein.

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Kayli Anderson, RDN

Medical Reviewer

Kayli Anderson has over a decade of experience in nutrition, culinary education, and lifestyle medicine. She believes that eating well should be simple, pleasurable, and sustainable. Anderson has worked with clients from all walks of life, but she currently specializes in nutrition therapy and lifestyle medicine for women. She’s the founder of PlantBasedMavens.com, a hub for women to get evidence-based, practical, and woman-centered guidance on nutrition and cooking, hormone health, fertility, pregnancy, movement, mental well-being, nontoxic living, and more.

Anderson is board-certified in lifestyle medicine and serves as lead faculty of the American College of Lifestyle Medicine’s (ACLM) "Food as Medicine" course. She is past chair of the ACLM's registered dietitian member interest group, secretary of the women's health member interest group, and nutrition faculty for many of ACLM's other course offerings. She is the coauthor of the Plant-Based Nutrition Quick Start Guide and works with many of the leading organizations in nutrition and lifestyle medicine to develop nutrition content, recipes, and educational programs.

Anderson frequently speaks on the topics of women’s health and plant-based nutrition and has coauthored two lifestyle medicine textbooks, including the first one on women’s health, Improving Women's Health Across the Lifespan.

She received a master's degree in nutrition and physical performance and is certified as an exercise physiologist and intuitive eating counselor. She's a student of herbal medicine and women's integrative and functional medicine. She lives with her husband in the Colorado Rocky Mountains, where you’ll find her out on a trail or in her garden.

Brian Willett

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Brian Willett began writing in 2005. He has been published in the "Buffalo News," the "Daytona Times" and "Natural Muscle Magazine." Willett also writes for Bloginity.com and Bodybuilding.com. He is an American Council on Exercise-certified personal trainer and earned a Bachelor of Arts in journalism from the University of North Carolina.