Our new Overcoming Diabetes CPD course is available on-demand. Health professional members get 50% off. Enrol today!

Caitlin Arnold

Caitlin Arnold

Caitlin Arnold is a competitive Bodybuilder and Accredited Sports Nutritionist specialising in plant-based nutrition. Her work focuses on the intersection of performance nutrition, physique development, and long-term health.

She specialises in supporting active individuals to build muscle, optimise body composition, and enhance performance within a plant-based framework. Her approach is grounded in evidence-based practice, with a strong emphasis on translating the latest nutrition science into practical, sustainable strategies that work in real-world settings.

Caitlin is passionate about cutting through misinformation, and aims to bring clarity, nuance, and practical application to plant-based performance nutrition. She places a strong focus on key nutritional considerations such as protein quality, energy intake, and critical nutrients including leucine, creatine, iron, and vitamin B12 - ensuring that plant-based athletes and everyday individuals not only meet their needs but thrive at a high level.

In addition to her work, Caitlin is an active athlete and competitive bodybuilder. She applies first-hand plant-based nutrition strategies at a high-performance level within her own training and competition, demonstrating how a well-structured plant-based approach can support optimal physique development, recovery, and performance at the highest level.