Author: Harry Parrish

Harry Parrish is the co-founder of Truesource Nutrition & Coaching and the driving force behind its evidence-based, plan-first approach to fat loss and performance. With a degree in Sport and Exercise Science and nine years as a clinical scientist in Haematology, he pairs laboratory-grade rigour with hands-on strength and conditioning coaching. Harry built Truesource alongside his wife Megan, a qualified scientist and athlete coach, to replace guesswork and reactive calorie-counting with structured nutrition rooted in physiology rather than fads. He writes on nutrition, training, and sustainable fat loss.