Phentermine FAQs

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General Phentermine Questions

What is the difference between yellow phentermine pills and blue phentermine pills?

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Phentermine comes as a tablet, capsule or orally disintegrating tablet (ODT). Depending on the manufacturer, exact appearance of the medication differs.

For example, Adipex – one of the most popular brands of phentermine in the US – is a white tablet with blue specs. However, generic 15mg capsules of phentermine are typically yellow and gray. The now-discontinued brand Ionamin was also a yellow capsule.

To see pictures and read descriptions of other popular phentermine brands, please click here.