Turning good food into good business

Since being associated with benefits for the heart, many people have gone out of their way to consume fatty acids known as omega-3. Although they are found naturally in fish, oil and nuts, a market for omega-3 supplements has also exploded in the last decade. A recent study published in the Journal of the American Medical Association has however cast doubt on the positive health effects. At the same time supplement manufacturers say sales are going from strength to strength.

Next, we meet a mother behind a new diet for children with cancer. A hospital in the United States has adopted her nutrition programme, suggesting there's a new market for food as a complementary treatment for cancer or other diseases.

Finally, we head to Quebec, where raw cranberries are often marketed as a superfruit because of their nutrient content and antioxidant qualities. This positive health association could not be better for business. In Canada, the industry has doubled its size in the last five years and is now on track to dethrone the United States in overall production.