18 natural remedies for common cold and flu (influenza)

Remedy (click for Amazon user reviews)
Side effects
a commonly found metal

a plant that grows in Siberia

an essential nutrient and antioxidant

a herb native to the western United States

a bacteria native to the intestines

a popular drink made from the camellia sinensis plant

a herbaceous perennial plant

prepared from the inner bark of an Asian evergreen tree

a type of bacteria commonly found in the gut

a herb native to Eurasia

an amino acid or protein building block

a beverage made from piper methysticum of the Pacific Islands

a small evergreen tree that grows among lava flows

a plant in the tomato family

a plant that grows in Asia

a flowering tree grown worldwide

a group of fat-soluble compounds

a herb grown around the world commonly included in food