Advice Line with Peter Rahal of RXBAR
In this Advice Line episode, RXBAR co-founder Peter Rahal joins the show to share insights on building a clean-label snack brand from scratch and his new venture, David Protein. Callers ask about scaling a nutrition company, navigating acquisitions, and maintaining ingredient transparency while growing. Rahal offers practical advice on entrepreneurship, product development, and the challenges of disrupting the snack industry.
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Episode Recap
RXBAR's "No B.S." Approach
Peter Rahal, co-founder of RXBAR and founder of David Protein, joins the Advice Line to share his entrepreneurial journey and offer guidance to callers.
Rahal explains how RXBAR disrupted the protein bar market with its "No B.S." ingredient transparency, prominently displaying simple ingredients on the front of every wrapper. He discusses the challenges of scaling from a small operation to a nationally distributed brand, and the decision to sell to Kellogg's in 2017 for approximately $600 million.
Building a Brand and Launching David Protein
The conversation covers the importance of maintaining brand integrity during acquisitions, the complexities of non-compete agreements, and the process of launching a new venture after leaving a successful company. Rahal shares insights on product formulation, supply chain management, and the evolving consumer demand for clean-label snacks.
Callers ask about starting a nutrition company, navigating the acquisition process, and balancing growth with quality control. Rahal emphasizes the value of direct-to-consumer feedback, the need for rigorous testing, and the importance of building a team that shares the founder's vision.
Key Advice for Founders
The episode concludes with Rahal's perspective on the future of performance nutrition and his mission to make protein bars that are both delicious and genuinely healthy.
Key Takeaways
- 1Start with transparency: Rahal built RXBAR by prominently displaying simple ingredients, building trust before it was an industry standard.
- 2Acquisitions require clear eyes: Selling to Kellogg's brought resources but also new constraints; founders should clarify deal terms before signing.
- 3Non-competes are real: Plan your next chapter before your non-compete clock starts ticking.
- 4Product quality is non-negotiable: Even at scale, never compromise on the ingredient list that made the brand famous.
- 5Direct consumer feedback beats guesswork: Let customers tell you what to build next.
Founders Featured

Peter Rahal
Co-founder of RXBAR and founder of David Protein. Rahal built the paleo-friendly protein bar brand around simple ingredients before selling to Kellogg's for $600M in 2017, then returned to the market with David Protein in 2024 after his non-compete expired.
1 episode
Eric Urkiski
Founder of SquatWedgies, a Los Angeles-based fitness equipment brand. An exercise science graduate from East Carolina University and personal trainer, Urkiski developed squat wedges and slant boards to support knee-over-toes training and improve squat mechanics.
1 episode
Christy Stewart
Founder of Inner Wealth Supplements, a Calgary-based supplement brand focused on women's hormonal health. With a background in molecular biology and biochemistry, Stewart creates science-backed supplements for PMS, perimenopause, and lean muscle mass.
1 episode

April Wachtell
Founder and CEO of Cheeky Cocktails, a Brooklyn-based cocktail mixer brand. A 13-year bartending veteran and former Bacardi brand ambassador, she launched Cheeky Cocktails in 2019 to bring bar-quality, shelf-stable mixers to home enthusiasts.
1 episode
Related Companies

RXBAR
Clean-label protein bar brand known for "No B.S." ingredient transparency. Co-founded in 2013 and acquired by Kellogg's for $600M in 2017.
1 episode

Cheeky Cocktails
Brooklyn-based cocktail mixer brand offering professional-grade, shelf-stable syrups and juices for home and professional bars. Founded by bartenders in 2019.
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David Protein
New York-based performance nutrition company founded by Peter Rahal in 2024, offering rigorously formulated protein bars designed to increase muscle and decrease fat.
1 episode

Inner Wealth Supplements
Calgary-based supplement brand focused on women's hormonal health. Creates science-backed supplements for PMS, perimenopause, and lean muscle mass.
1 episode

SquatWedgies
Los Angeles-based fitness equipment brand specializing in squat wedges and slant boards for knee-over-toes training. Trusted by over 40,000 lifters worldwide.
1 episode