What plants are the drops made of, and what is each component for? — Paira heart drops 40ml

According to the card, 1 ml contains 0.4 ml of motherwort tincture, 0.4 ml of valerian tincture, 0.15 ml of liquid hawthorn extract (1:1) and 0.5 ml of mint tincture; the bottle holds 40 ml. What each component is for, the card does not explain. The claim that the tincture supports heart function has no confirmation.

General information (not a manufacturer's instruction): tinctures are usually made with alcohol, so check the alcohol content on the packaging.