Joanne A Lasrado et al.
Regulatory toxicology and pharmacology : RTP, 71(2), 213-224 (2014-12-21)
A proprietary dry spearmint extract containing 15.4% rosmarinic acid was assessed in a 90-day study with Sprague-Dawley rats that were gavaged at 0, 422 (low), 844 (mid), or 1948 (high) mg dry spearmint extract/kg bw/day, (equivalent to 0, 65, 130