Oscillococcinum is a homeopathic remedy that is made by taking the heart and liver of a duck and diluting it to nothing. It's a placebo, but sold widely by pharmacies as a "treatment" for colds and influenza.
Vitamin D has been widely touted as beneficial for preventing cancer and cardiovascular disease. A large, well-conducted clinical trial now show that it has no effect.
A judge in the Canadian province of New Brunswick has ruled that alternative-to-medicine practitioners knows as naturopaths cannot claim that they are "medically trained" or that they offer "family practice".
IgG food intolerance testing is ineffective, yet it continues to be promoted to consumers. CBC Marketplace recently investigated two Canadian companies that sell these tests.