Natures Way Umcka Cold plus Flu Chewable, Berry Flavored, 20 Chewable Tablets. Pack of 1. Clinically tested Umcka plus Alpha CF combined into one complete, multi-action cold and flu formula: (Pelargonium sidoides 1X) shortens duration and reduces severity of cold, nasal, throat and bronchial irritations. ALPHA CF (Aconitum napellus 4X, Bryonia alba 4X, Eucalyptus globulus 2X, Eupatorium perfoliatum 6X, Gelsemium sempervirens 4X, Ipecacuanha 3X and Phosphorus 6X) provides multi-symptom relief of colds and flu.