Building The Brand with James Burtt
Building The Brand with James Burtt
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Grenade Founder Juliet Barratt: Building Carb Killa, £200M Exit & Why Success Felt Like Grief
1 hour 13 minutes Posted Apr 29, 2026 at 4:01 am.
— Intro01:24 — The one thing that made Grenade successful01:43 — Why “giving a shit” became Grenade’s real advantage02:00 — Juliet and Alan’s experience before Grenade03:14 — Why the first version of Grenade did not sell04:20 — Going from distributor to brand owner05:00 — The gap in the sports nutrition market07:00 — Why Grenade’s branding came from gut instinct08:46 — Retiring, getting bored and deciding to build again10:25 — Creating a product people could actually feel working12:26 — Wanting Grenade to be the Red Bull of sports nutrition13:52 — Driving a tank into the NEC15:00 — How Grenade started attracting athletes and advocates17:00 — Why bricks and mortar made sense before DTC18:43 — The tough early days of building Grenade20:18 — Running lean, paying suppliers and not taking salaries21:45 — Taking private equity in 201423:00 — Bringing in a CFO and freeing up the founders25:00 — Launching Carb Killa25:50 — Why Juliet still worries about money28:16 — The emotional finality of the Mondelez deal30:00 — Why selling Grenade felt like giving away a child31:05 — Still feeling protective over the brand32:08 — PAUSE POINT: Creating a category35:00 — Leaving the business and losing founder identity40:31 — How Carb Killa moved Grenade into mainstream FMCG41:30 — Educating Tesco and helping build the protein category45:00 — PAUSE POINT: Why timing matters in business47:00 — Why taste mattered more than health claims48:19 — Building Grenade as husband and wife51:44 — Did Grenade break up the marriage or hold it together?56:40 — PAUSE POINT: The truth about co-founder relationships58:45 — How the Oreo collaboration came about1:01:10 — Did Juliet and Al build Grenade to sell?1:03:00 — Selling a majority stake and what Juliet would rethink1:07:34 — Why founder DNA matters as a business scales1:08:59 — Carb Killa, timing and creating opportunity1:10:30 — Juliet’s work with founders, boards and entrepreneurship1:12:00 — What Juliet looks for in the brands she supports
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Show notes
Juliet Barratt is the co-founder of Grenade, one of the most successful British brands of the last decade.In this episode of Building The Brand, Juliet shares the real story behind Grenade, from launching with limited resources, driving a tank into the NEC to stand out at BodyPower, getting picked up by major retailers, creating the Carb Killa bar, helping bring protein into mainstream retail, taking on private equity and eventually selling to Mondelez.IN THIS EPISODE, JULES SHARES:▪️ How Grenade was born from years of experience in sports nutrition▪️ Why Juliet believes founder-market fit matters more than just having a good idea▪️ How Grenade spotted a gap in a category full of generic white tubs and scientific names▪️ Why the grenade-shaped packaging gave the brand instant memorability▪️ How standing out at BodyPower helped get the attention of GNC▪️ Why early brand building was about being different, not having the biggest budget▪️ The story behind launching Carb Killa▪️ How Grenade helped move protein bars from niche sports nutrition into mainstream food retail▪️ Why timing was crucial to Grenade’s success▪️ How the brand educated retailers and consumers at the same time▪️ Why Juliet says the secret to Grenade’s success was simply “giving a shit”▪️ The reality of having almost no money in the early days▪️ Why Juliet and Al did not take salaries for years▪️ How private equity changed the business▪️ Why selling a majority stake may not always be the right move▪️ What it really felt like to sell Grenade to Mondelez▪️ The emotional impact of exiting a business you built from scratch▪️ Building a business with your spouse▪️ Why Grenade kept Juliet and Al together professionally even as their marriage changed▪️ The difference between building a brand and running a numbers-led business▪️ What Juliet looks for now when she works with founders and brandsKEY MOMENTS:0:00 — Intro01:24 — The one thing that made Grenade successful01:43 — Why “giving a shit” became Grenade’s real advantage02:00 — Juliet and Alan’s experience before Grenade03:14 — Why the first version of Grenade did not sell04:20 — Going from distributor to brand owner05:00 — The gap in the sports nutrition market07:00 — Why Grenade’s branding came from gut instinct08:46 — Retiring, getting bored and deciding to build again10:25 — Creating a product people could actually feel working12:26 — Wanting Grenade to be the Red Bull of sports nutrition13:52 — Driving a tank into the NEC15:00 — How Grenade started attracting athletes and advocates17:00 — Why bricks and mortar made sense before DTC18:43 — The tough early days of building Grenade20:18 — Running lean, paying suppliers and not taking salaries21:45 — Taking private equity in 201423:00 — Bringing in a CFO and freeing up the founders25:00 — Launching Carb Killa25:50 — Why Juliet still worries about money28:16 — The emotional finality of the Mondelez deal30:00 — Why selling Grenade felt like giving away a child31:05 — Still feeling protective over the brand32:08 — PAUSE POINT: Creating a category35:00 — Leaving the business and losing founder identity40:31 — How Carb Killa moved Grenade into mainstream FMCG41:30 — Educating Tesco and helping build the protein category45:00 — PAUSE POINT: Why timing matters in business47:00 — Why taste mattered more than health claims48:19 — Building Grenade as husband and wife51:44 — Did Grenade break up the marriage or hold it together?56:40 — PAUSE POINT: The truth about co-founder relationships58:45 — How the Oreo collaboration came about1:01:10 — Did Juliet and Al build Grenade to sell?1:03:00 — Selling a majority stake and what Juliet would rethink1:07:34 — Why founder DNA matters as a business scales1:08:59 — Carb Killa, timing and creating opportunity1:10:30 — Juliet’s work with founders, boards and entrepreneurship1:12:00 — What Juliet looks for in the brands she supports