A substance that strengthens or regulates heart metabolism without overt stimulation or depression. It may increase coronary blood supply, normalize enervation, relax peripheral arteries (decreasing back-pressure on the valves), or decrease adrenergic stimulation. Examples: Crataegus, Selenicereus.... cardiotonic
To invigorate and restore. Regarded as nutrients for strengthening nerve fibres and their protective sheaths. Help resolve effects of stress and replace mineral deficiencies in nerve tissue. They bring a new vigour in place of enervation and debility.
Betony, Damiana, Oats, St John’s Wort, Skullcap, Vervain.
Combination. Tea: Equal parts, Skullcap, Betony, Vervain. 1 heaped teaspoon to each cup boiling water; infuse 15 minutes. Half-1 cup freely. ... nerve tonics