Diet pill phentermine........?

Question

What is the difference between the different pills? It comes in a yellow or blue capsule and in tablet form. I thought I read that the yellow capsule is a time released formula but I don't know if I am remembering correctly.

Answer 1

Phentermine is a generic drug. Different manufacturers make it different ways. Capsules usually are time release. There are also different strengths, 15, 30, 37.5.
The Phentermine site used to have photos of various types.