Supports: May support liver, respiratory, and neurological health.* Size: 2 oz liquid Suggested Usage: 10 to 30 drops 3 times per day or as directed by your healthcare professional. Contains: Viola odorata (leaf), Purified Water, Ethanol (25%). *Okhti, Zahraa. (2018). Protective role of Viola odorata against hepatotoxicity induced by methotrexate in albino male mice. Qasemzadeh, M.J., Sharifi, H., Hamedanian, M. The effect of viola odorata flower syrup On the cough of children with asthma: A double-blind, randomized controlled trial. Journal of Evidence-Based Integrative Medicine. 2015; 20 (4) 287-291.