9 Generic Products You Should Always Buy at Costco

Shopping smart at Costco often means going generic—especially with Kirkland Signature products that rival or outperform big-name brands. From pantry staples to household essentials, these nine generics deliver premium quality at unbeatable prices.

1. Kirkland Signature Organic Maple Syrup $14.99/33.8 oz

Pure, grade-A amber syrup sourced from Canadian forests, this maple syrup is a top-seller for a reason. It’s organic, rich in flavor, and free of additives.

Nutritional Facts

• Calories: 210
• Fat: 0g
• Carbs: 53g
• Sodium: 5mg
• Dietary Fiber: 0g
• Sugar: 50g
• Protein: 0g

Ingredients

Organic maple syrup

Preparation Instructions

Serve warm over pancakes, waffles, or use in marinades and baking.

2. Kirkland Signature Ultra Clean Liquid Laundry Detergent $19.99/194 oz

This high-efficiency detergent works in all machines and competes directly with Tide. It boasts powerful stain-fighting enzymes and a fresh scent.

Ingredients

Surfactants, enzymes, water softeners, fragrance

Preparation Instructions

Use 1-2 oz per load depending on size and soil level. Works in hot or cold water.

3. Kirkland Signature AA Batteries $19.99/72-count

These batteries last long and power everything from remotes to gaming controllers at a fraction of the price of Duracell.

Ingredients

Alkaline battery components (manganese dioxide, zinc)

Preparation Instructions

Insert with correct polarity. Store in a cool, dry place.

4. Kirkland Signature Gasoline $3.20/1 gal

Often cheaper than local stations, Costco’s gasoline meets Top Tier standards and helps maintain engine cleanliness.

Ingredients

Unleaded gasoline with detergent additives

Preparation Instructions

Refuel at any Costco gas station—membership required.

5. Kirkland Signature Bath Tissue $24.99/30 rolls

Soft, strong, and septic-safe, this bath tissue has earned loyal fans for comfort and value.

Ingredients

Processed paper pulp, no added dyes or fragrances

Preparation Instructions

Use as needed. Store in a dry place.

6. Kirkland Signature ProCare Infant Formula $19.99/42 oz

Comparable to Similac and Enfamil, this infant formula is designed to support brain and eye development with DHA and Lutein.

Nutritional Facts

• Calories: 100
• Fat: 5.3g
• Carbs: 10.8g
• Sodium: 27mg
• Dietary Fiber: 0g
• Sugar: 0g
• Protein: 2.1g

Ingredients

Nonfat milk, lactose, vegetable oils, vitamins and minerals, DHA, ARA

Preparation Instructions

Mix 1 scoop with 2 oz of water. Shake well before feeding.

7. Kirkland Signature Organic Extra Virgin Olive Oil $19.99/2L

Cold-pressed from olives grown in Italy, this oil is ideal for drizzling, dipping, or cooking at low to medium heat.

Nutritional Facts

• Calories: 120
• Fat: 14g
• Carbs: 0g
• Sodium: 0mg
• Dietary Fiber: 0g
• Sugar: 0g
• Protein: 0g

Ingredients

Organic extra virgin olive oil

Preparation Instructions

Use in salad dressings, pasta dishes, or for sautéing vegetables.

8. Kirkland Signature Drawstring Kitchen Trash Bags $20.99/13 gal

These durable, leak-resistant trash bags come with drawstring closures and rival name brands in strength and reliability.

Ingredients

Plastic (polyethylene)

Preparation Instructions

Line trash can, pull and tie when full.

9. Kirkland Signature Organic Peanut Butter $11.69/28 oz

Made with just one ingredient—organic roasted peanuts—this peanut butter is smooth, rich, and free of added sugar or oil.

Nutritional Facts

• Calories: 190
• Fat: 16g
• Carbs: 7g
• Sodium: 0mg
• Dietary Fiber: 3g
• Sugar: 1g
• Protein: 8g

Ingredients

Organic dry roasted peanuts

Preparation Instructions

Stir before use. Spread on toast, add to smoothies, or use in sauces.

Conclusion

Costco’s Kirkland Signature line proves that you don’t need a big brand label to get quality. Whether you’re stocking the pantry or restocking household staples, these 9 generic products offer major savings without compromise. Add them to your next Costco haul—you won’t regret it.