
Clean Simple Eats (CSE) announced on April 1, 2026 that its supplement line is now available in 2,000 Walmart stores nationwide and on walmart.com, beginning March 28, 2026. The brand places its products in the Performance Nutrition Department. CSE plans to expand to all Walmart locations nationwide as distribution grows.
The launch brings CSE’s best-selling protein powders and supplements to mass retail for the first time. Products available at Walmart include the Simply Vanilla Protein Powder, Brownie Batter Protein Powder, viral Pink Burst Clear Protein Powder, and a Protein Variety 10-Pack. Every CSE product is non-GMO, third-party tested, and gluten-free, formulated without artificial sweeteners, flavors, or colors.
The Products: Grass-Fed Whey at Mass Retail Price Points
The flagship product at the center of the Walmart launch is CSE’s protein powder, built around grass-fed, pasture-raised whey protein isolate delivering 20 grams of protein per serving. Whey protein isolate differs from concentrate in protein content per gram and digestibility. Isolate undergoes additional processing to remove more fat and lactose, producing a faster-absorbing, higher-purity protein input. The grass-fed sourcing claim adds a further quality differentiation, connecting the product to a specific cattle management standard that commands a premium across both consumer and ingredient markets.
The Pink Burst Clear Protein Powder is the brand’s most viral SKU. Clear protein powders use a different processing approach than traditional whey-based shakes. The protein must remain soluble and transparent in an acidic, juice-style format rather than a milky base. This requires a highly refined isolate and precise pH management during formulation and production. The success of CSE’s clear protein on social media preceded this retail launch and drove the initial consumer demand that made Walmart placement viable.
From DTC to Walmart: What the Transition Means
Clean Simple Eats built its business through direct-to-consumer and social channels. The brand’s founders, Erika and JJ Peterson, built its audience through content-driven marketing that positioned clean ingredient standards and flavor performance as equally important. That positioning resonated specifically with the fitness-adjacent consumer who wants supplements that taste good enough to use consistently, not just technically meet a nutritional threshold.
Erika Peterson, Founder and CEO, stated in the company’s announcement:
“It’s always been our goal to create supplements that are undeniably clean, 100% delicious, and meant to be enjoyed every day. There’s nothing more exciting than seeing our products on Walmart shelves and in the hands of new customers who want to take control of their health and wellness goals.”
The Walmart launch changes the brand’s operating model in several important ways. DTC brands control price, presentation, and customer data directly. Mass retail placement requires price negotiation with the buyer, compliance with Walmart’s packaging, labeling, and supply chain standards, and acceptance that the shelf environment will position the product alongside competitors without the brand’s own editorial context. The Performance Nutrition Department at Walmart places CSE alongside established sports nutrition brands, many of which operate at significantly lower price points and with conventional whey rather than grass-fed isolate.
Why It Matters for Whey Protein Suppliers and Sports Nutrition Co-Manufacturers
Grass-fed whey protein isolate at Walmart scale creates a new procurement pressure point for specialty dairy suppliers. Grass-fed whey protein isolate commands a meaningful premium over conventional whey protein concentrate. The sourcing requirement is specific: cattle must be pasture-raised on grass-based diets, which limits the pool of eligible dairy farms and processors. Most of the U.S. grass-fed whey supply comes from a small number of certified producers, many in the upper Midwest and the Pacific Northwest. Distribution across 2,000 Walmart locations requires a sustained, predictable supply commitment at volumes that DTC fulfillment did not previously require.
The Walmart launch validates the mass retail opportunity for premium clean protein brands. For years, the sports nutrition category at mass retail was dominated by conventional protein powders at accessible price points. Premium protein brands, including those using grass-fed sourcing, third-party testing, and clean ingredient formulations, largely stayed in specialty channels: natural grocery, fitness retail, and direct-to-consumer. CSE’s Walmart placement signals that the premium protein consumer is now present in meaningful numbers at mass retail. For brands evaluating their own channel expansion, and for whey protein suppliers building sales pipelines, the CSE Walmart launch is a confirmation that mass retail is now a viable distribution channel for the clean protein segment.
Third-party testing at scale creates recurring quality assurance costs that affect co-manufacturing partner selection. CSE markets every product as third-party tested. At DTC volumes, third-party testing per batch is manageable. At 2,000-location Walmart distribution, batch sizes increase significantly and the cost and logistics of maintaining third-party testing programs require co-manufacturing partners with integrated quality systems and established relationships with testing labs. For contract manufacturers in the sports nutrition space, the ability to support third-party testing programs at high volume is a differentiating capability that premium DTC brands scaling into mass retail specifically require.
The clear protein powder category is reaching an inflection point. CSE’s Pink Burst Clear Protein is the viral product that most likely drove the Walmart buyer conversation. Clear protein powders represent a genuinely new format in the sports nutrition category. They compete with Starbucks Refreshers and sparkling water in the mid-afternoon consumption occasion rather than positioning as a post-workout shake. The format’s growth signals an expansion of protein’s consumption window beyond the traditional breakfast and post-exercise moments. For co-manufacturers developing clear protein production capabilities, including pH-stabilized whey isolate handling, fruit-flavor system sourcing, and RTD or powder formats that maintain visual clarity, the CSE Walmart launch is a validation signal for the category’s mainstream commercial viability.

FAQs
- Where is Clean Simple Eats available at Walmart? In the Performance Nutrition Department at 2,000 select Walmart stores nationwide and on walmart.com, beginning March 28, 2026.
- What products does CSE sell at Walmart? The launch includes Simply Vanilla Protein Powder, Brownie Batter Protein Powder, Pink Burst Clear Protein Powder, and a Protein Variety 10-Pack.
- What type of protein does CSE use? Grass-fed, pasture-raised whey protein isolate delivering 20 grams of protein per serving, formulated without artificial sweeteners, flavors, or colors.
- Are CSE products third-party tested? Yes. According to the brand’s announcement, every CSE product is third-party tested, non-GMO, and gluten-free.
- Who founded Clean Simple Eats? Erika and JJ Peterson, a husband and wife team, founded CSE with a mission to create clean supplements that prioritize both ingredient quality and flavor.
About Source86
Clean Simple Eats’ Walmart launch reflects the growing mass retail demand for grass-fed whey protein isolate, clean-label supplement formulations, third-party tested sports nutrition products, and co-manufacturing capabilities that support premium protein brands scaling from direct-to-consumer into national retail distribution. At Source86, we connect sports nutrition brands, supplement co-manufacturers, and private label protein operators with trusted bulk and wholesale suppliers of grass-fed whey protein isolate, clear whey isolate, natural flavoring systems, and specialty supplement ingredients that meet the clean-label, third-party testing, and non-GMO standards that premium mass retail buyers require.
Whether your production team is scaling a grass-fed protein powder line for national retail, sourcing bulk clear whey isolate for a new RTD or powder format, or building a co-manufacturing partnership that supports third-party testing at Walmart-level volumes, Source86 is your bridge to the right partners. Contact Source86 today to start your sourcing search.









