Same Calories, Twice the Fat Loss: What the 2025 UCL Study Found | Rhiannon Lambert

A 2025 UCL study found that people eating home-cooked meals lost twice as much body fat as those eating ready meals — with identical calories and identical ingredients. Rhiannon Lambert, one of the UK's leading Registered Nutritionists and author of The Unprocessed Plate, breaks down why food matrix may be the variable that calorie counting ignores, and what that means for anyone relying on convenience food while trying to improve body composition. If you track your macros but eat mostly packaged food, this clip reframes the equation. Stream the full episode on YouTube: https://youtu.be/ALu0mttzK48 Or listen on your favourite podcasting platform: https://theproof.com/food-labels-fibre-and-ultra-processed-foods-what-really-matters-rhiannon-lambert/ Want to support the show? The best way to support the show is to use the products and services offered by our sponsors. To check them out, and enjoy great savings, visit https://theproof.com/friends/. • The Proof with Simon Hill - https://theproof.com/podcast/ • Book: The Proof is in the Plants - https://theproof.com/book/ • Apple Podcast - https://podcasts.apple.com/gb/podcast/the-proof-with-simonhill/id1367773989 • Spotify - https://open.spotify.com/show/7bAIJCVgnquxXZuQCdZyTi • Instagram - https://www.instagram.com/theproof/ • Twitter - https://twitter.com/theproof • Facebook - https://www.facebook.com/theproofwithsimonhill • Plant-Based Ferments Guide - https://theproof.com/ferments/ • Two-week meal plan - https://theproof.com/mealplan/ • Plant Performance - https://theproof.com/plant-performance/ • Use the products and services offered by our sponsors. To check them out, and enjoy great savings, visit theproof.com/friends.