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
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
Its a capsule, half purple,half yellow
1 answer • 5 Dec 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