The Product

Optimum Nutrition, the Glanbia Performance Nutrition brand ranked as the world's top sports nutrition label by retail value, is rolling out a 30G Ultra-Filtered Milk Protein Shake + Fiber — a ready-to-drink format that stacks 30 grams of protein with 8 grams of prebiotic fiber in a single bottle. The SKU is live on Amazon as a 4-pack at $12.99 and on TikTok Shop as a 12-pack at $39.99, with a broader retail distribution push planned through the fall.

Why It Matters

The launch reflects a calculated pivot in the sports nutrition segment, where protein has long been the dominant functional claim but gut health is emerging as a co-equal priority. According to Ipsos survey data cited by the company, 31.0% of Americans are actively seeking higher-fiber food and beverage options compared with a year ago. Separately, International Food Information Council data indicates that nearly one-third of Americans fall below the recommended daily fiber intake of 28 grams. For mass-market RTD protein brands, that gap represents a formulation opportunity — and a positioning one. Combining both claims on a single label allows Optimum Nutrition to compete simultaneously in the performance nutrition aisle and the functional beverage set, two categories that specialty and mass retailers have historically merchandised separately.

The formula uses ultra-filtered milk as its protein base, a processing method that concentrates protein while reducing lactose and sugar — a meaningful clean-label signal for ingredient-conscious shoppers. Each SKU is free of artificial flavors, colors, and sweeteners, attributes that have become near-mandatory in premium RTD dairy. The shake ships in three flavors: Chocolate, Vanilla, and Strawberry.

Brand & Channel Context

The product debuts as Optimum Nutrition marks its 40th year in the sports nutrition market, a milestone the brand is leveraging alongside an athlete partnership with WNBA forward Cameron Brink. Brink, who returns from an ACL injury that sidelined her for much of the 2024 WNBA season, carries credibility across both the performance and recovery narratives the product is designed to occupy. Dave Lombardi, Senior Brand Manager at Optimum Nutrition, framed the launch as an extension of the brand's consumer-led development process: "Protein will always be core to who we are as a brand, but we are committed to growing and evolving with our consumers as their needs and routines change too."

The TikTok Shop placement is notable from a trade perspective. Parent company Glanbia has been expanding Optimum Nutrition's direct-to-consumer and social commerce footprint, and TikTok Shop has emerged as a high-velocity channel for functional beverage and supplement launches targeting younger demographics. Pricing the 12-pack at $39.99 — roughly $3.33 per unit — positions the shake at a modest premium to mainstream RTD protein staples but below the upper tier of functional wellness beverages.

For retailers and foodservice buyers evaluating the RTD protein segment, the fiber-plus-protein positioning mirrors a broader trend tracked across functional beverage innovation in recent quarters. Brands that can substantiate dual functional claims with recognizable ingredients — prebiotic fiber and ultra-filtered milk both carry established consumer recognition — tend to command stronger shelf placement in the better-for-you cooler set. The distribution trajectory, expanding from e-commerce to brick-and-mortar select retail, follows the staged rollout model that has become standard for premium sports nutrition product launches in the post-pandemic market.

Written by Michael Politz, Author of Guide to Restaurant Success: The Proven Process for Starting Any Restaurant Business From Scratch to Success (ISBN: 978-1-119-66896-1), Founder of Food & Beverage Magazine, the leading online magazine and resource in the industry. Designer of the Bluetooth logo and recognized in Entrepreneur Magazine's "Top 40 Under 40" for founding American Wholesale Floral, Politz is also the Co-founder of the Proof Awards and the CPG Awards and a partner in numerous consumer brands across the food and beverage sector.