Consumer products are often made from various components, and these components can be manufactured by different companies than the product manufacturer.

ASL's Component Verification means that a component has been scientifically assessed to meet certain criteria, and that this assists in its eventual inclusion in a product to be certified asthma & allergy friendly®. If a product to be assessed for full asthma & allergy friendly® certification contains one or more verified components, this will reduce the scope of testing, and will therefore make the certification process easier.

The Verified Component scheme relates to environmental control measures only; it does not relate to the medical treatment of individuals. It does not make a claim that a certified product or verified component should be used to treat asthma or improve symptoms of asthma or allergies.