These 10 Costco Foods Are Secretly Great for Weight Loss

May 14, 2025

Costco isn’t just about giant tubs of snacks and family-sized lasagnas—it’s also a hidden goldmine for healthy eats that actually help you hit your goals. Whether you’re aiming to slim down or just make smarter food swaps, these 10 items are flavorful, filling, and surprisingly waistline-friendly. From high-protein options to smart low-sugar snacks, here’s what to toss in your cart on your next Costco run.

1. Mush Overnight Oats $11.79/8 x 5 oz

No prep, no mess—these ready-to-eat overnight oats are dairy-free, plant-based, and naturally sweetened. Great for a quick breakfast or post-workout snack.

Nutritional Facts (per 5 oz cup)

  • Calories: 210
  • Fat: 7g
  • Carbs: 29g
  • Sodium: 75mg
  • Dietary Fiber: 4g
  • Sugar: 7g
  • Protein: 6g

Ingredients

Rolled oats, almond milk, dates, chia seeds, sea salt, fruit purée (varies by flavor)

Preparation Instructions

Ready to eat cold—just grab and go. No heating needed.

2. Yasso Cookies n’ Cream Greek Yogurt Bars $11.99/15 x 3.5 oz

Image Editorial Credit: Costco

These bars taste like dessert but pack in protein and gut-friendly benefits from Greek yogurt. A guilt-free sweet treat.

Nutritional Facts (per bar)

  • Calories: 100
  • Fat: 2g
  • Carbs: 17g
  • Sodium: 45mg
  • Dietary Fiber: <1g
  • Sugar: 12g
  • Protein: 5g

Ingredients

Greek yogurt, skim milk, sugar, cocoa, cookie pieces, tapioca starch

Preparation Instructions

Keep frozen. Enjoy straight from the freezer.

3. Wild Caught Salmon $174.99/10 lbs

A powerhouse of omega-3s and protein, wild salmon is ideal for heart health and weight management. Versatile enough for grilling, baking, or pan-searing.

Nutritional Facts (per 4 oz serving)

  • Calories: 180
  • Fat: 10g
  • Carbs: 0g
  • Sodium: 60mg
  • Dietary Fiber: 0g
  • Sugar: 0g
  • Protein: 23g

Ingredients

100% wild caught salmon

Preparation Instructions

Season and bake at 400°F for 12–15 minutes or grill for 4–6 minutes per side.

4. Organic Ground Turkey $24.99/2 x 1.5 lbs

Lean, clean, and perfect for meal prepping. This organic meat is high in protein but low in fat, making it ideal for tacos, bowls, and lettuce wraps.

Nutritional Facts (per 4 oz serving)

  • Calories: 160
  • Fat: 8g
  • Carbs: 0g
  • Sodium: 70mg
  • Dietary Fiber: 0g
  • Sugar: 0g
  • Protein: 22g

Ingredients

Organic ground turkey

Preparation Instructions

Cook in a skillet over medium heat until fully browned (165°F internal temp).

5. Fairlife Nutrition Plan Chocolate Protein Shake $38.99/18 x 11.5 oz

Image Editorial Credit: Costco Wholesale

These ultra-filtered shakes offer high protein with minimal sugar and lactose, perfect as a post-gym recovery drink or meal replacement.

Nutritional Facts (per bottle)

  • Calories: 150
  • Fat: 2.5g
  • Carbs: 4g
  • Sodium: 230mg
  • Dietary Fiber: 1g
  • Sugar: 2g
  • Protein: 30g

Ingredients

Filtered low-fat milk, cocoa, natural flavors, sucralose, lactase enzyme

Preparation Instructions

Drink chilled. Shake well before opening.

6. Tru Grill Grilled Chicken Strips $13.99/2 lbs

Fully cooked, lean grilled chicken strips that are ready to toss in salads, wraps, or grain bowls. No artificial additives.

Nutritional Facts (per 3 oz serving)

  • Calories: 110
  • Fat: 2.5g
  • Carbs: 1g
  • Sodium: 400mg
  • Dietary Fiber: 0g
  • Sugar: 0g
  • Protein: 21g

Ingredients

Chicken breast, water, vinegar, salt

Preparation Instructions

Heat in a skillet or microwave for 1–2 minutes until warmed.

7. Kevin’s Natural Foods Cilantro Lime Chicken $16.99/32 oz

This paleo-friendly dish is packed with flavor and protein but skips the heavy oils and sugars. Great for quick, satisfying dinners.

Nutritional Facts (per 6 oz serving)

  • Calories: 160
  • Fat: 5g
  • Carbs: 5g
  • Sodium: 460mg
  • Dietary Fiber: 1g
  • Sugar: 1g
  • Protein: 24g

Ingredients

Chicken breast, lime juice, garlic, avocado oil, cilantro, spices

Preparation Instructions

Microwave in tray for 3–4 minutes or sauté for 5 minutes in a pan.

8. Poppi Prebiotic Soda $23.49/15 x 12 fl oz

This trendy soda alternative contains apple cider vinegar and plant-based prebiotics—great for gut health without the sugar crash.

Nutritional Facts (per can)

  • Calories: 25
  • Fat: 0g
  • Carbs: 5g
  • Sodium: 20mg
  • Dietary Fiber: 2g
  • Sugar: 4g
  • Protein: 0g

Ingredients

Carbonated water, apple cider vinegar, fruit juice, agave inulin, stevia

Preparation Instructions

Serve chilled. Best enjoyed cold and bubbly.

9. Good Foods Chunky Guacamole $9.99/3 x 10 oz

Image Editorial Credit: Costco

Avocados are rich in fiber and healthy fats that support satiety. This guac skips added sugars and preservatives for a clean, creamy bite.

Nutritional Facts (per 2 tbsp)

  • Calories: 45
  • Fat: 4g
  • Carbs: 2g
  • Sodium: 85mg
  • Dietary Fiber: 1g
  • Sugar: 0g
  • Protein: <1g

Ingredients

Hass avocados, tomato, onion, garlic, lime juice, jalapeño, salt

Preparation Instructions

Serve straight from the tub as a dip or topping.

10. Kirkland Signature Egg White Bites $14.99/10 ct

Low-cal, high-protein, and easy to microwave. These bites are a clean, satisfying option to start your day or snack smart.

Nutritional Facts (per bite)

  • Calories: 70
  • Fat: 2.5g
  • Carbs: 3g
  • Sodium: 240mg
  • Dietary Fiber: 0g
  • Sugar: 1g
  • Protein: 9g

Ingredients

Egg whites, cottage cheese, bell peppers, spinach, cheese, spices

Preparation Instructions

Microwave for 45–60 seconds or bake at 350°F for 10–12 minutes.

Conclusion

Weight loss doesn’t have to mean eating bland food or cooking from scratch every night. Costco’s shelves are packed with convenient, nutritious choices that support your goals without sacrificing taste. Next time you’re cruising the aisles, keep this list handy—you might be surprised how much healthy goodness is hiding in bulk packaging.

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