Why Umcka® Cold + Flu Fructose FreeCLINICALLY PROVEN You can feel confident knowing that Umcka (Pelargonium sidoides 1X) is proven effective in clinical studies for alleviating common colds plus nasal, throat, and bronchial irritations.COLD+FLU RELIEF†† Clinically tested Umcka (Pelargonium sidoides 1X) plus Alpha® CF combined into one complete, multi-action cold and flu formula.Umcka shortens duration and reduces severity of common cold, nasal, throat, and bronchial irritations.Alpha CF (Aconitum napellus 4X, Bryonia 4X, Eucalyptus globulus 2X, Eupatorium perfoliatum 6X, Gelsemium sempervirens 4X, Ipecacuanha 3X, and Phosphorous 6X) provides multi-symptom relief of colds and flu††.