Yes, Cilantro moves mercury from deep stores, primarily neurological, into "shallow" stores that are more easily reachable with simple chelators like chlorella. So, never take cilantro without another chelator, like Chlorella and, as always, make sure you're taking the big 3 for protection against free mobilized mercury:

Citrus Bioflavonoids (Vitamin C)

Vitamin E with Selenium

Algin