I found a yellow capsule in my teenage sons room. It has a brownish colored powder with the writing on 1/2 of the capsule is st-2 and on the other half is 224 over a line, and 3850 under the line.
4 May 2005
This pill is one of the Stacker 2 products
Take a look at
This pill is possibly one of the older formulations containing Ephedra.
On April 12, 2004, a final rule went into effect prohibiting the sale of dietary supplements containing ephedrine alkaloids (ephedra). More info at
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1 answer • 10 May 2010
purple and yellow capsule st-2 on purple, 224 over 3850 on the yellow side powder is tan brown
1 answer • 9 Jun 2010
Purple and yellow capsule with st-2 224/3850 stamp on it
1 answer • 18 Mar 2011
st-2 224 3850. purple and yellow capsule
1 answer • 1 Nov 2012
Capsule - ST-2 portion is purple, 224 is placed above 3850 (like a division problem) and that portion is yellow.
1 answer • 20 Feb 2014