To obtain an adequate intake of vitamin a, a man needs a daily average of about micrograms of the active form.

gargle with salt water; gargling with warm salt water can soothe a scratchy throatsuck on a lozengetry otc pain reliefenjoy a drop of honeytry an echinacea and sage spraystay hydrateduse a humidifiergive yourself a steam shower

hope this !

feel free to mark as brainliest: )

Sodium is the answer