Diet Pills and Weight Loss Products: Efficacy and Side Effects

Are over-the-counter diet pills as effective as Phentermine? Explore how Hydroxycut, Slim Fast, and fat-burning supplements like Yohimbine impact appetite and metabolism during fasting.

pills with pill bottle

The Effects of Phentermine

Phentermine is a sympathetic amine, which means it is a stimulant very similar to an amphetamine. Phentermine has one purpose -- as a short-term pharmacologic, or drug, therapy for weight loss in obese patients. Although approved for only one indication, the effects of phentermine are felt across multiple body systems.

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Side Effects of a Fast Pulse

A fast pulse is called tachycardia. Tachycardia is an arrhythmia (abnormal heart rhythm) defined as a heart rate greater than 100 beats per minute.

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