Costco’s house brand, Kirkland Signature, delivers dependable quality at wallet-friendly prices. This September, you can stock up on essentials for under $40 each, from pantry staples to apparel and household must-haves. Here are 14 Kirkland Signature finds worth adding to your cart.
Kirkland Signature Steak Strips $12.99 for 12 oz
Smoky, protein-packed beef strips made from whole top-round beef for an on-the-go snack.
A meaty, flavorful jerky alternative at about $1 per ounce.
Nutritional Facts
- Calories 80
- Fat 1 g
- Carbs 5 g
- Sodium 410 mg
- Dietary Fiber 0 g
- Sugar 4 g
- Protein 10 g
Ingredients
Beef, soy sauce, sugar, spices, natural smoke flavor.
Preparation Instructions
Ready to eat; store in a cool, dry place.
Kirkland Signature UltraClean HE Liquid Laundry Detergent $19.99 for 194 oz
High-efficiency detergent that’s hypoallergenic yet tough on stains, delivering 194 loads at just 14¢ each.
Comparable to top brands at half the price—ideal for families.
Key Features
Ultra-concentrated formula; hypoallergenic; works in all HE and standard machines.
Materials
Liquid detergent with biodegradable surfactants and enzymes.
Use Instructions
Use 1 oz per load; follow machine guidelines and store tightly sealed.
Kirkland Signature CoQ10 Softgels $20.99 (on sale from $24.99), 300 mg per softgel
Supports heart health and energy production in a convenient softgel form.
A potent, cost-effective supplement, especially with this month’s $4 discount.
Nutritional Facts
- Calories 5
- Fat 0.5 g
- Carbs 0 g
- Sodium 0 mg
- Dietary Fiber 0 g
- Sugar 0 g
- Protein 0 g
Ingredients
Coenzyme Q10, soybean oil, gelatin, glycerin, purified water.
Preparation Instructions
Take one softgel daily with a meal.
Kirkland Signature Organic Almond Beverage $9.99 for 6 cartons (32 oz each)
Unsweetened almond milk with a natural vanilla note—perfect for coffee, cereal, or smoothies.
Only 5¢ per ounce, making it an excellent dairy-free staple.
Nutritional Facts
- Calories 30
- Fat 2.5 g
- Carbs 1 g
- Sodium 160 mg
- Dietary Fiber 1 g
- Sugar 0 g
- Protein 1 g
Ingredients
Organic almond base, sea salt, natural vanilla flavor, added vitamins/minerals.
Preparation Instructions
Shake well; refrigerate after opening.
Kirkland Signature Bar Soap with Shea Butter $14.49 for 15 bars
Rich, moisturizing soap made with 5% shea butter and sustainable plant oils.
A luxurious lather at just 97¢ a bar.
Key Features
Plant-based formula; long-lasting 4.5 oz bars; light, clean scent.
Materials
Palm oil, coconut oil, shea butter, fragrance.
Use Instructions
Store in a cool, dry area; lather with water and rinse.
Kirkland Signature Optifiber $15.99 (on sale from $18.99) for 26.8 oz
A tasteless, soluble fiber supplement that blends into hot or cold drinks.
Eight cents per dose makes it cheaper than Benefiber without sacrificing quality.
Nutritional Facts
- Calories 10
- Fat 0 g
- Carbs 3 g
- Sodium 0 mg
- Dietary Fiber 3 g
- Sugar 0 g
- Protein 0 g
Ingredients
Wheat dextrin.
Preparation Instructions
Stir 2 tsp into any beverage; drink promptly.
Kirkland Signature Whole Black Peppercorn $7.69 for 14.1 oz
Fragrant, bold peppercorns perfect for daily cooking.
Restaurant-quality flavor at nearly half the grocery-store price.
Nutritional Facts
- Calories 5
- Fat 0 g
- Carbs 1 g
- Sodium 0 mg
- Dietary Fiber 1 g
- Sugar 0 g
- Protein 0 g
Ingredients
Whole black peppercorns.
Preparation Instructions
Grind fresh as needed.
Kirkland Signature Women’s ¾ Sleeve Slub Tee $21.99 (2-pack)
You May Be Interested In
Soft, 100% cotton tees that can be dressed up or down and layered for fall.
At about $11 per shirt, these are a versatile, budget-friendly wardrobe staple.
Key Features
Breathable cotton fabric; classic ¾ sleeve cut; two-pack value.
Materials
100% cotton.
Use Instructions
Machine wash cold with like colors; tumble dry low.
Kirkland Signature Protein Bars $26.49 for 20 bars (2.12 oz each)
Chocolate-coated bars with 21 grams of protein for post-workout or meal replacement.
A filling snack at just $1.33 each.
Nutritional Facts
- Calories 190
- Fat 7 g
- Carbs 22 g
- Sodium 210 mg
- Dietary Fiber 15 g
- Sugar 1 g
- Protein 21 g
Ingredients
Milk protein isolate, whey protein, fiber syrup, chocolate coating, sweeteners.
Preparation Instructions
Ready to eat.
Kirkland Signature Turmeric Capsules $35.49 (on sale from $42.99), 1,000 mg
Turmeric root extract with black pepper to support joint health and mobility.
A natural anti-inflammatory supplement with a $7.50 discount this month.
Nutritional Facts
- Calories 0
- Fat 0 g
- Carbs 0 g
- Sodium 0 mg
- Dietary Fiber 0 g
- Sugar 0 g
- Protein 0 g
Ingredients
Turmeric root extract, black pepper extract, vegetable cellulose capsule.
Preparation Instructions
Take one capsule daily with food.
Kirkland Signature Almond Flour $13.69 for 3 lb
Finely ground almond flour for gluten-free baking or low-carb cooking.
At $4.56 per pound, it’s a fraction of supermarket prices.
Nutritional Facts
- Calories 160
- Fat 14 g
- Carbs 6 g
- Sodium 0 mg
- Dietary Fiber 3 g
- Sugar 1 g
- Protein 6 g
Ingredients
Blanched almonds.
Preparation Instructions
Use as a 11 substitute for wheat flour in many baked goods.
Kirkland Signature Aller-Flo Nasal Spray $18.99 (on sale from $22.99), 120 sprays
Provides 24-hour allergy relief in a non-drowsy formula.
An affordable seasonal essential with a $4 manufacturer’s discount.
Ingredients
Fluticasone propionate 50 mcg per spray, inactive ingredients (glycerin, purified water).
Preparation Instructions
Shake gently; spray 1–2 times in each nostril daily.
Kirkland Signature Flex-Tech 13-Gallon Scented Kitchen Trash Bags $20.99 for 200 bags
Strong, tear-resistant kitchen bags with a clean scent and convenient drawstrings.
Just 11¢ per bag for durable, long-lasting trash management.
Key Features
Flex-Tech stretch technology to resist tears; fresh scent; drawstring closure.
Materials
Plastic with elasticized Flex-Tech construction.
Use Instructions
Do not overfill; tie drawstring securely; store box in a cool, dry location.
Kirkland Signature Alkaline AAA Batteries $15.99 for 48 count
Long-lasting power for everyday electronics at a per-battery price that beats big-name brands.
Reliable and affordable energy for everything from remotes to toys.
Key Features
Long shelf life; leak-resistant design; bulk 48-pack value.
Materials
Alkaline battery cells with steel casing.
Use Instructions
Store in a cool, dry place; keep away from direct heat; recycle responsibly.
Final Thoughts
These 14 Kirkland Signature deals under $40 prove that Costco’s house brand is the ultimate combination of quality and value. Whether you’re stocking your pantry, upgrading your wardrobe, or refreshing household supplies, these September finds let you save big without compromising on performance or taste.
Recommended For You
