Mackenzie's Smelling Salts is a product used to provide a quick and invigorating boost, typically by inhaling the strong aroma. Often used for relief from faintness, dizziness, or fatigue, it contains ammonium carbonate, which stimulates the respiratory system. Mackenzie's Smelling Salts are commonly found in first aid kits and are popular among athletes for an energy boost. https://britishchemist.co.uk/product/mackenzies-smelling-salts/