Everything you need to help combat the effects of hayfever through from early Spring through to late Summer,Weleda recommends treating the condition with the substance causing the problem,Weleda mixed pollen 30c is a mixture of allergy provoking air borne pollens (mixed grasses,tree,fungal and weed pollens),Tablets have been prepared homeopathically and should be taken according to recommended dosage for 4-6 weeks prior to when symptons are expected.