Phentermine is sold both in capsules and tablets. The best form is the one you like the most. The only difference between these two forms is the recommended Phentermine dosage. For capsules these are 15 mg, 30 mg and 37.5 mg. For tablets these dosages are 18.75 mg (1/2 pill) and 37.5 mg (1 pill). Both capsules and tablets are suggested being taken one time a day in the morning. Sometimes healthcare provider suggests patients taking half a pill two times a day. This can help to control your appetite. But it can also increase the risk of insomnia development.

It’s important to talk to your doctor before you decide to go on with phentermine. If you don’t want to develop any side effects ask your doctor to prescribe phentermine to you. Don’t take this drug without a prescription. Also carefully read all the precautions and warnings to avoid severe side effects and drug addiction.