Hawthorns are small, flowering trees with berries often used to make jelly and tea. Supplements may contain nutrients and biochemicals from the leaves, flowers, and berries. However, more research is needed to prove its benefits and you shouldn't use Hawthorn to self-treat a health condition. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.