Costco, known for its bulk items and great deals, is more than just a place to stock up on household essentials. It’s also a treasure trove of popular, high-quality products that shoppers can’t stop talking about. These items have gone viral for their value, quality, and sometimes their unexpected uniqueness.
Based on real-world trends, customer reviews, and expert insight, this list highlights some of Costco’s most buzzworthy finds — perfect whether you’re a longtime member or just starting to explore the warehouse aisles.
Kirkland Signature Organic Peanut Butter

Costco’s Kirkland Signature Organic Peanut Butter has a loyal following. Made with just roasted peanuts and sea salt, it’s praised for its natural flavor and clean ingredient list. Its wide appeal has made it a household staple, especially as more people seek out healthier, minimally processed foods.
Chef's Cut Jerky

Chef’s Cut Jerky is nothing like the dry, overly processed versions you might be used to. Made with quality ingredients and offered in flavors like Teriyaki, Chipotle Cracked Pepper, and Original Recipe, this jerky has become a go-to for fans of protein-rich, low-carb snacks. It’s especially popular with those following high-protein or keto-friendly diets.
Sonoma Creamery Cheese Crisps

Sonoma Creamery Cheese Crisps have won fans for their irresistible crunch and rich, cheesy flavor. Gluten-free and made with simple ingredients, they’re a satisfying alternative to chips and crackers. With more people choosing low-carb and gluten-free snacks, these crisps have quickly become a Costco favorite.
Kirkland Signature Vodka

Kirkland Signature Vodka has become a cult classic. Affordable yet smooth, it’s often compared to far pricier brands. With the rise of at-home cocktail making, it’s no surprise this bottle continues to be one of Costco’s most talked-about spirits.
Premier Protein Shakes

Premier Protein Shakes are a bulk-buy favorite at Costco. Each shake delivers 30 grams of protein with minimal sugar, making them a convenient choice for athletes, busy parents, and anyone looking for a quick, nutritious meal replacement. Their popularity reflects today’s focus on health and fitness-friendly foods.
Kirkland Signature Cashews

Kirkland Signature Cashews are roasted, salted, and packaged in generous portions—perfect for snacking or cooking. They’ve become a viral staple thanks to their rich flavor, satisfying crunch, and unbeatable value compared to smaller store-bought packs.
Artika Skylight Flat Panel Light Fixture

The Artika Skylight Flat Panel Light Fixture brings modern style to any room. Designed to mimic natural daylight, it brightens spaces while offering sleek, minimalist appeal. Its simple installation and eye-catching design have made it a standout among Costco’s viral home finds.
Kirkland Signature Pima Cotton T-Shirts

Costco’s Kirkland Signature Pima Cotton T-Shirts are praised for their softness, durability, and fit—qualities that rival designer brands at a fraction of the price. With more shoppers leaning toward minimalist wardrobes, these shirts have earned a spot as one of the warehouse’s most viral clothing items.
Chia Seeds

Chia seeds are tiny but mighty, offering fiber, protein, and omega-3s in every spoonful. Costco’s bulk bags make it easy to stock up on this versatile superfood, which can be sprinkled into smoothies, baked goods, or even salads for a nutritious boost.
Kirkland Signature Extra Virgin Olive Oil

Kirkland Signature Extra Virgin Olive Oil is one of Costco’s most celebrated pantry staples. Imported from Italy and known for its smooth, rich flavor, it holds its own against more expensive brands. With healthy cooking oils in demand, this olive oil has become a viral must-buy for home cooks everywhere.


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