Anyone used this?

Google it.

i'll google it. what's it got, though? is there chromium in it? if so, look up chromium...google it.

Indian contraceptive pill, non-hormonal

Centchroman is a Selective Estrogen Receptor Modulator (SERM).
Structurally it is the hydrochloride salt of a chroman derivate- from the package insert.

no idea on the second part- I don't know whether it contains chromium or not. Please post if you've heard anything about this, or are using it.