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
Search for questions
Still looking for answers? Try searching for what you seek or ask your own question.
what is this pill is purple and gray and also has the markings st-3ef and 224 over 3850. thanks
2 answers • 6 Jun 2009
ST-2 is imprinted on the purple half of the capsule and 224 3850 are printed on the yellow half. What medication is this capsule?
1 answer • 1 Feb 2011
Its a capsule and its purple & yellow
1 answer • 16 Jun 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