Roos Jonsin is a Canadian naturopath and researcher dedicated to helping people live healthier lives through education about vitamins, herbs, and nutritional supplements. Roos also consults with sup-pliers and manufacturers with product development and marketing.
National Nutrition is Canada’s leading health & nutritional supplements store, also voted as the
Best Health Food Store in Canada by the experts at Canadian Health Food Association. Email:
roos.jonsin.nd@nationalnutrition.ca