As of March (2016), Health Canada has approved a number of Young Living Essential oils as Natural Health Products (NHP). This means that the health claims that you see here (and on the Young Living Canada Natural Remedies Guide) are backed by scientific evidence, and have been confirmed by Health Canada as safe and effective natural remedies.
What is a NHP?
According to Health Canada’s website, “Natural health products (NHPs) are naturally occurring substances that are used to restore or maintain good health. They are often made from plants, but can also be made from animals, microorganisms and marine sources. They come in a wide variety of forms like tablets, capsules, tinctures, solutions, creams, ointments and drops.”
Evidence may include clinical trial data or references to published studies, journals, pharmacopoeias and traditional resources. The type and amount of supporting evidence required depends on the proposed health claim of the product and its overall risks. 
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