12 natural remedies for headache

Remedy (click for Amazon user reviews)
Side effects
a cross between watermint and spearmint

a well known herb of the mint family

a summer-blooming flowering plant

a flowering tree grown worldwide

a water-soluble B vitamin

a hormone produced naturally in the body

a member of the carotenoid family

a chemical by-product of L-tryptophan - a protein building block

a herb that originates in North America

a spice derived from the plant of the same name

a beverage made from piper methysticum of the Pacific Islands

a common drink derived from the camellia sinesis plant