7 Must-Have Costco Drinks That Fans Can’t Stop Rebuying

Costco shoppers know the beverage aisle is more than just bulk soda and bottled water—it’s a treasure trove of trendy, refreshing, and functional drinks that fans can’t stop stocking up on. From gut-friendly sodas to immune-boosting shots, Costco offers unbeatable deals on drinks you’d normally pay a premium for at specialty stores. These seven must-have beverages are so popular, shoppers claim they’re always in their carts—and their fridges.

Spindrift Sparkling Water $22.12/30 x 12 fl oz

Refreshing and lightly flavored with real fruit juice, Spindrift has become a cult favorite for those wanting sparkling water with a clean, natural taste. Each can contains just a splash of juice, offering bright flavors like lemon, raspberry lime, and grapefruit without added sugars or artificial sweeteners. Costco’s bulk pack delivers variety at a price you can’t find in regular grocery stores. Perfect for workdays, poolside sipping, or cocktail mixers, it’s the sparkling water that feels elevated while still everyday drinkable.

Suja Organic Daily Immunity Shots $19.99/10 ct

Packed with ginger, turmeric, echinacea, and live probiotics, these little wellness shots give your immune system a quick boost. Fans love keeping them in the fridge to start the morning with a fiery kick or to ward off seasonal sniffles. Each tiny bottle is USDA-certified organic and cold-pressed to preserve nutrients. Buying them at Costco is a major money saver compared to boutique health food stores. For wellness-minded shoppers, this pack is an essential staple that makes healthy living more convenient.

Mexican Soda Variety Pack $40.74/24 x 12 fl oz

Imported from Mexico, these sodas are made with real cane sugar, giving them a smoother, richer flavor compared to U.S. versions. The variety pack often includes popular brands like Coca-Cola, Sprite, and Fanta. Shoppers say they taste more authentic and nostalgic, making them a hit for family gatherings, BBQs, or casual dinners. The glass bottles keep the carbonation sharp and the experience refreshing. Costco’s bulk pricing makes indulging in these iconic sodas far more affordable than buying them individually.

Olipop Prebiotic Soda Variety Pack $54.99/24 x 12 oz

Olipop has quickly grown a fanbase for offering soda that’s actually good for your gut. Each can contains plant fiber and prebiotics to support digestive health, but without sacrificing flavor. Costco’s variety pack includes fun flavors like Vintage Cola, Classic Root Beer, and Strawberry Vanilla—favorites that satisfy soda cravings in a healthier way. With only 2–5 grams of sugar per can, it’s a guilt-free bubbly option that feels indulgent but functional. Fans say they taste so good, you forget they’re good for you.

Almond Milk (Kirkland Signature Organic) $9.99/6 x 32 fl oz

For plant-based households, Kirkland’s organic almond milk is a must. Smooth, creamy, and fortified with calcium and vitamins, it’s perfect for cereal, smoothies, or coffee. The shelf-stable cartons mean you can stock up without worrying about spoilage, and Costco’s price per carton is far cheaper than most grocery store brands. Shoppers love the clean flavor and versatility—it’s a daily essential whether you’re vegan, lactose-intolerant, or just looking for a lighter alternative to dairy milk.

Celsius Energy Drinks $24.99/18 x 12 fl oz

Marketed as a “fitness energy drink,” Celsius has built a huge following among gym-goers and busy professionals. Each can is packed with caffeine, green tea extract, and B vitamins to give a clean boost of energy without the crash. With flavors like Tropical Vibe, Sparkling Orange, and Peach Mango, it feels more refreshing than traditional energy drinks. Costco’s bulk deal makes it far more affordable than buying single cans at convenience stores. Fans call it their go-to pick-me-up before workouts or long workdays.

Poppi Prebiotic Soda $23.49/15 x 12 fl oz

Poppi combines the fun fizz of soda with apple cider vinegar and prebiotics, creating a drink that supports gut health while tasting like a treat. With fruity flavors like Raspberry Rose, Ginger Lime, and Orange, Poppi has become a trendy alternative to sugary sodas. Shoppers love the light sweetness, probiotic benefits, and the fact that it pairs well with meals or as a mid-afternoon refresh. Costco’s 12-pack makes it easy to keep the fridge stocked with this buzzy wellness soda.

Final Thoughts

Whether you’re chasing energy, gut health, or just great flavor, Costco has you covered with a beverage lineup that rivals any specialty store—at a fraction of the price. From refreshing sparkling waters to functional prebiotic sodas and nostalgic Mexican sodas, these seven drinks are constantly being rebought by loyal fans. Next time you stroll down the beverage aisle, don’t skip these Costco staples—they’re the fridge must-haves that shoppers can’t live without.