Beano

• According to the Mayo Clinic, Beano is an over-the-counter product that can be used to prevent gas by adding it to beans or vegetables before eating these foods.
  
  

Lactase Supplements

• People who are lactose intolerant may take over-the-counter lactase supplements such as Lactaid or Dairy Ease with foods that contain lactose. Lactase is a digestive enzyme that the body uses to digest lactose.
  
  

Simethicone

• Simethicone is an over-the-counter product that breaks up bubbles in stomach gas and helps prevent belching.
  
  

Activated Charcoal

• Activated charcoal tablets are available in natural food stores and may help reduce gas and belching when taken before or after a mea.
  
  

Peppermint Tea

• Peppermint tea contains menthol and may have an antispasmodic effect on the muscles of the digestive tract that reduces gas, gas pain and belching.