Clean Simple Eats Just Landed at Costco, Bringing Protein Soda to the Masses
HOSPITALITY
A sunshine sipper with a creamy vanilla finish, Frosted Lemonade is a favorite for its tart and juicy flavor, as well as its amazing benefits.
If you've spent any time in the health and wellness space over the last few years, you've probably seen clear protein soda quietly go from niche curiosity to genuine phenomenon. And the brand most responsible for that shift just made its biggest retail move yet.
Clean Simple Eats (CSE) has officially launched its Clear Protein Soda at Costco, with the brand's fan-favorite Frosted Lemonade flavor now available in 100 Costco locations across the Southwest region and on costco.com. For a brand that built its following through community, clean ingredients, and a product that genuinely surprised people with how good it tasted, landing at one of America's most trusted bulk retailers is a significant milestone.
The Product That Started a Category
CSE doesn't just sell protein soda, the brand claims credit for introducing clear protein to the market in the first place. Before CSE, protein supplements largely meant thick, chalky shakes that required some commitment to choke down. Clear protein changed the formula entirely: light, sparkling, and flavored like something you'd actually want to drink.
The Frosted Lemonade variety that's hitting Costco shelves is a fan favorite for good reason. It delivers a tart, citrusy punch with a creamy vanilla finish, described as a "sunshine sipper," while packing 20 grams of grass-fed whey protein isolate into every serving. It's gentle on digestion, zero sugar, non-GMO, gluten-free, and third-party tested. For shoppers trying to consistently hit protein goals without resorting to something that tastes like a compromise, it's a compelling offer.
Why Costco Makes Sense
Costco has a well-earned reputation for demanding quality at scale, and for introducing its members to products they didn't know they needed but can't stop buying. For CSE, the partnership is a natural fit on both counts.
"It's always been our goal to create supplements that are undeniably clean, 100% delicious, and meant to be enjoyed every day," said Erika Peterson, CSE Founder and CEO. "Seeing Clean Simple Eats Clear Protein Soda at Costco is so exciting for our team and our community. We are thrilled to be able to offer a clean soda, made with zero sugar and 20g of whey protein isolate, bringing better-for-you options to even more people looking to prioritize their health and wellness goals."
That accessibility piece matters. CSE has always positioned wellness as something that should be approachable and enjoyable, not restrictive or expensive. Costco's value-driven model aligns directly with that philosophy, putting a premium functional beverage within reach of a much wider audience.
What Comes Next
The current launch covers 100 Costco locations in the Southwest, but the brand has its sights set on a nationwide Costco rollout. Given how quickly products with strong community backing tend to move at Costco, and how loyal the CSE customer base already is, that expansion feels like a matter of when, not if.
For anyone who's been sleeping on the clear protein trend, consider this your sign. The future of protein is sparkling, and it's now available in bulk.
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