Hawthorne Berry, also known as May Day Flower, May Blossom and Haw, is a shrub that is actually a member of the rose family. Considered to be an herb, the shrub produces brilliantly colored red berries and primarily originates in Mediterranean areas, although bushes have been found in other areas around the world. There are several hundred, if not thousand, varying species of this shrub growing worldwide today. Hawthorne Berry has been used in Greek culture for thousands of years to treat a variety of health issues and dates back to as early as the first century AD. Hawthorne berries were also used by Native Americans to treat such conditions as diarrhea, female problems and to heal wounds. The herb has historically been used in Chinese culture to promote good cardiovascular health as well as to treat stomach problems. The berries on this shrub are edible and have been known to be made into marmalade. Due to the beauty of the plant, as well as the edibility of the berries, the Hawthorne plant is often grown as lawn ornamentation.

The benefits of Hawthorn Berry in modern medicine have not been well known until recently. Today Hawthorn Berry is used extensively throughout Europe and is gaining recognition in other parts of the world as well. Benefits of Hawthorne Berry include its ability to treat insomnia, protect against heart disease, relieve irregular heart beats and provide advantageous antioxidant qualities. Hawthorne Berry is critical in cardiovascular health due to its ability to actually enlarge blood vessels and strengthen the heart. Hawthorne Berry also assists with promoting good circulation throughout the body, treat hypertension and strengthen structural components in the body.

Side effects related to the use of this herb include nausea, vomiting, fatigue and low blood pressure. There are no known drug interactions related to the use of Hawthorne.

The maximum benefits associated with the use of Hawthorne Berry are derived from the fiber of the plant. Consumers should watch for products that contain additives, fillers or other, less desirable portions of the Hawthorne shrub. Supplements are available in caplet form as well as tea.