Herbal teas are made up of carefully selected flowers, berries, peels, seeds, leaves and roots of selected herbal plants. These parts of the herbal plants are chosen for their natural healing qualities and aromatic flavours. The presence of tannins in raspberry leaf tea act as an astringent, which gives the tea its anti-diarrheal and anti-inflammatory capabilities. It may also help stop bleeding. The tea makes a valuable nutritional contribution because it contains potassium, calcium, phosphorus and vitamins A and C.