Welcome to Powerplay

Nanci S. Guest MSc, RD, CSCS, PhD candidate is a Registered Dietitian, Certified Personal Trainer and Certified Strength and Conditioning Specialist. She is the owner of Power Play – Nutrition, Training, Genetics in Toronto, ON / Vancouver, B.C.

Nanci specializes in advanced sports nutrition as an international consultant. She is currently researching high performance athletes and their response to dietary nutrients and supplements based on their genotype (DNA).

Since 1995 Nanci has provided individuals and the community with nutritional consulting and personal training services via seminars, research services, product development, media work and various publications. Nanci works with the general public as well as athletes of all levels including individuals and teams at both the professional and national level.

Nutrition • Training • Genetics

Toronto: 416.873.3312  |  Vancouver: 604.818.8348