Asparagus Asparagus shoots and roots are very diuretic and can help with edema caused by heart trouble.
(Wild) Cherry Use tea made from the bark, or use wild cherry syrup added to tea to help nervous palpitations of the heart. This tea can also be used for a spasmodic cough.
Garlic and Onions A recent abstract in Nutrition Reviews indicates positive findings in the essential oil found in both garlic and onion which "are reported to lower serum cholesterol levels and stimulate fibrinolytic activity."
Hawthorn Berries Several European firms make up an excellent syrup and extract and fresh juice of hawthorn berries for use as a heart tonic.
Lemon juice Lemon juice plus water has sedative action and can help sedate nervous palpitations.
Rosemary Rosemary is both quieting and tonic, and may help the kidneys reduce edema caused by a malfunctioning heart.