Abstract: Disclosed are powder compositions with a pH of at least 6 for delivery of an active agent to the nasal cavity, wherein the active agent is selected from at least one of nicotine, tetrahydrocannabinol (THC) and ethanol. The compositions comprise a filling agent of water soluble and water insoluble microcrystalline cellulose and a matrix forming agent and have a defined brightness and particle size range. Also disclosed are products including the powder compositions and support particles inducing a desired property to the product.

Abstract: Compositions for use in the oral or nasal cavity are disclosed. The compositions include a biologically active agent, a matrix forming agent comprising ?-glucan and a filling agent. The compositions can further include additional excipients such as antioxidants, preservatives, taste or flavour enhancers, pH adjusters, plasticizers and sweeteners. Methods of producing the compositions are also disclosed.

Abstract: The specification discloses compositions for use in the oral or nasal cavity comprising a biologically active agent, a matrix forming agent comprising alginate and suitable salts thereof, a filling agent and at least one antioxidant that is an effective complex binder. The compositions can further comprise additional excipients such as preservatives, taste or flavour enhancers, pH adjusters, plasticizers and sweeteners. The specification also discloses methods of producing the compositions.