n.褪黑激素
But the amount of melatonin in milk is small. 但牛奶中的褪黑激素含量很少。
He said sildenafil worked at least as well as melatonin, a jet-lag treatment. 他還認為昔多芬的作用至少和目前用于治療時差綜合癥的退黑激素的作用類似。
