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 suppliers 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