R2 Heart Efficiency-Gold Drops is available at Sri Sathya Sakthi Homoeo Medicals . Reckeweg's R2 Drops is used for cardiac neurosis, Organic and functional affections of the heart. Nervous perturbations. Arrhythmia, tachycardia, extrasystoles, constrictions, angina pectoris, coronary insufficiencies. Strong pulse, palpitations, excitations, anguish and oppression of the heart, vegetative dystonia.