<p>Biomarker, heavy metal, and pesticide contents of ten <i>Rhodiola rosea</i> products available on the U.S. market. * = Biomarker content is significantly lower than advertised. N.D. = not detected, ppb = parts per billion.</p>

Biomarker, heavy metal, and pesticide contents of ten Rhodiola rosea products available on the U.S. market. * = Biomarker content is significantly lower than advertised. N.D. = not detected, ppb = parts per billion.美国市场上在售的10款红景天（Rhodiola rosea）产品的生物标志物、重金属及农药残留含量。* = 生物标志物含量显著低于宣传标注值。N.D. = 未检出（not detected），ppb = 十亿分之一（parts per billion）。