Soria Natural Propolin is a supplement in tablet form that contains 250 mg of propolis. Composition The product Soria Natural Propolin 48 tablets x 250mg contains propolis, a resinous substance produced by bees from tree buds. It may also contain other ingredients, but this information is not specified in the article provided. Instructions for use Soria Natural Propolin is a dietary supplement containing propolis, a substance produced by bees. It is used to strengthen the immune system and help prevent diseases. It is recommended to take one tablet daily, preferably on an empty stomach, with a glass of water. It is important to follow the manufacturers instructions and consult a healthcare professional before starting any supplement.