Help finding out what this pill is, may be a drug?

ok my friend gave me some diet pills and when she did she give me another pill that sorta looked like the diet pill but her friend give it to her. its green on one half and silver on the other its a capsel and its unmarked. please support i dont want to take it if its a drug. don't thieve it it could be anything. just flush it down loo and buy some-more of your own pills
I looked for it but couldn't find it. I wouldn't embezzle anything unless you know what it is. Check Pharmer.org next time you call for to identify a pill.