Weight Loss Home > Zantrex-3

Zantrex-3 is a non-prescription weight loss supplement that claims to cause "rapid weight loss" and "incredible energy." However, there is a lack of scientific evidence that supports the claim that the supplement is effective for weight loss. Supposedly, the yerba mate, guarana, and damiana in Zantrex-3 help to slow down how often food is emptied from the stomach, and the caffeine helps to increase energy. Possible side effects may include insomnia, nervousness, and a rapid heart rate.

What Is Zantrex-3?

Zantrex®-3 is a popular weight loss supplement. The manufacturer of Zantrex-3 claims that this product provides "Rapid Weight Loss™" and "incredible energy."
 
(Click Zantrex-3 Uses for more information on what it is used for.)
 

Who Makes Zantrex-3?

The supplement is made by Zoller Laboratories.
 

What's in It?

Zantrex-3 contains the following active ingredients:
 
  • Niacin (also known as vitamin B3)
  • Yerba mate (which contains caffeine)
  • Caffeine
  • Guarana (which contains caffeine)
  • Damiana
  • Schizonepeta
  • Green tea (which contains caffeine)
  • Piper nigrum (black pepper)
  • Tibetan ginseng
  • Panax ginseng
  • Maca
  • Cocoa
  • Kola nut (which contains caffeine)
  • Thea sinensis leaves (tea leaves).
     

How Does It Work?

The Zantrex-3 Web site claims that this product works in two different ways -- by slowing the emptying of food from the stomach and by providing energy. Supposedly, the yerba mate, guarana, and damiana in Zantrex-3 help to slow down how often food is emptied from the stomach (which helps people feel fuller sooner and longer), and the caffeine (which is contained in several of the active ingredients) helps to increase energy.
 
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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