Helps us greatly especially when we are working in a dusty moldy environment such as raking leaves cleaning the garage or basement... bioAllers Mold Yeast & Dust is designed using homeopathic principles and may help provide temporary general relief of allergy symptoms due to mold yeast or dust. Homeopathic theory is that symptom relief is attained through stimulation of the natural healing response. This formula is manufactured to deliver precise levels of homeopathic ingredients. When it comes to quality our bar is set high. Manufactured to pharmaceutical standards in the USA our Mold Yeast & Dust allergy relief solution is formulated to be non-drowsy. bioAllers is one of the top homeopathic allergy brands in the United States. Each product is carefully formulated to have two sets of ingredients. One set is for symptom relief and the other set exclusively contains allersodes which are homeopathically prepared allergens that directly target the cause of the allergy. Anyone over the age of 2 in the U