Best High-Protein Foods at Costco, Ranked (2026)

Costco offers a variety of high-protein foods, with Premier Protein shakes providing 30 g per serving, followed by Kirkland frozen chicken breast at 26 g. Other notable options include Kirkland protein powder at 25 g and canned chicken at 22 g, making them excellent choices for protein intake.

This article ranks the best high-protein foods available at Costco, focusing on their protein content per serving. These options are ideal for those looking to increase their protein intake efficiently.

Which Costco Foods Have the Most Protein?

Highest protein per serving:

1. Premier Protein Shake (1 shake): 30 g protein
2. Kirkland Frozen Chicken Breast (4 oz): 26 g protein
3. Kirkland Protein Powder (1 scoop): 25 g protein
4. Kirkland Wild Salmon (4 oz): 23 g protein
5. Kirkland Canned Chicken Breast (3 oz): 22 g protein

Which Costco Foods Have the Best Protein Per Calorie?

Most protein for the fewest calories (g per 100 cal):

1. Kirkland Albacore Tuna: 22 g per 100 cal
2. Kirkland Canned Chicken Breast: 22 g per 100 cal
3. Kirkland Protein Powder: 19 g per 100 cal
4. Premier Protein Shake: 19 g per 100 cal
5. Kirkland Greek Yogurt: 18 g per 100 cal

Costco Protein Foods: Full List

The top high-protein foods at Costco include Premier Protein shakes, Kirkland frozen chicken breast, and canned chicken. Each of these options provides significant protein per serving, making them ideal for various dietary needs. Additionally, Kirkland products like protein bars and Greek yogurt also offer substantial protein content.

Product	Serving	Protein (g)	Calories
Premier Protein Shake	1 shake	30	160
Kirkland Frozen Chicken Breast	4 oz	26	130
Kirkland Protein Powder	1 scoop	25	130
Kirkland Wild Salmon	4 oz	23	180
Kirkland Canned Chicken Breast	3 oz	22	100
Kirkland Albacore Tuna	3 oz	20	90
Kirkland Protein Bar	1 bar	21	190
Kirkland Organic Ground Beef (85/15)	4 oz	21	240
Kirkland Rotisserie Chicken (breast)	3 oz	19	110
Kirkland Greek Yogurt (nonfat)	3/4 cup	18	100
Kirkland Cottage Cheese	1/2 cup	13	90
Eggs (Kirkland)	2 eggs	12	140
Kirkland Turkey Jerky	1 oz	11	80
Kirkland String Cheese	1 stick	7	80

Canned chicken and albacore tuna are standout options for protein per calorie and per dollar.

How to Track Costco Protein Foods Accurately

Estimating protein content can be challenging due to variations in serving sizes and preparation methods. Nutrola is an AI nutrition tracking app that identifies groceries and packaged foods from a photo or barcode and returns calories and macros from a database of more than 1.8 million foods. It also supports voice logging. Nutrola is available from EUR 2.50 per month and shows no ads on any tier.

For related references, see best high-protein foods at Walmart, Costco rotisserie chicken calories and macros, and every chip and snack ranked by calories.

How We Calculated These Numbers

Every value is per the serving shown, rounded. Figures are compiled from Nutrola's food database, anchored to USDA FoodData Central and published Costco and Walmart nutrition data. Serving sizes vary, so each row lists its own serving.

Frequently Asked Questions (FAQ)

What are the best high-protein foods at Costco?

The best high-protein foods at Costco include Premier Protein shakes with 30 g, Kirkland frozen chicken breast with 26 g, and Kirkland protein powder with 25 g. Canned chicken and albacore tuna also rank high for their protein content.

How much protein is in a Kirkland protein bar?

A Kirkland protein bar contains 21 g of protein per bar. This makes it a convenient option for a quick protein boost.

What is the cheapest protein at Costco?

The cheapest protein at Costco is often Kirkland canned chicken, which provides 22 g of protein for a relatively low cost. This makes it an economical choice for protein-rich meals.

How much protein is in Costco rotisserie chicken?

Costco rotisserie chicken contains 19 g of protein per 3 oz serving. It's a popular option for those seeking a ready-to-eat protein source.

What are the best Costco foods for building muscle?

The best Costco foods for building muscle include high-protein options like frozen chicken breast, Greek yogurt, and protein powder. These foods provide essential nutrients to support muscle growth.

Does Costco have good protein options?

Yes, Costco has a variety of good protein options, including frozen meats, canned proteins, and protein supplements. These choices cater to different dietary preferences and needs.

Key Takeaways

• Premier Protein shakes provide 30 g of protein per shake.
• Kirkland frozen chicken breast offers 26 g of protein per 4 oz.
• Kirkland protein powder contains 25 g of protein per scoop.
• Canned chicken has 22 g of protein per 3 oz serving.
• Kirkland Greek yogurt provides 18 g of protein per 3/4 cup.
• Kirkland protein bars contain 21 g of protein per bar.