Zantrex 3 High Energy Fat Burner Review

Editor's Review: 3.5 / 5.0

What You Should Know

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Zantrex-3 High Energy Fat Burner is available exclusively from the Zantrex-3 website. The fat burner is packed with stimulants and could cause negative side effects for dieters who are sensitive to caffeine. All ingredients are included in a proprietary blend, so dieters have no idea how much of the ingredients are included in the supplement.

List of Ingredients

Blood Orange Extract, Grapefruit Extract, Sweet Orange Extract, Caffeine, Guarana Extract, Rhodiola Extract, Bitter Orange, Kola Nut, Eleuthero Extract, Schisandra Extract, Green Tea Extract, Kelp Powder, Fennel Powder and Alpha Lipoic Acid.

Product Features

When Zantrex-3 High Energy Fat Burner says high energy that is exactly what they mean. There are multiple stimulants in this formula including several sources of caffeine. Blood orange is a source of anti-oxidants and sweet orange is thought to be a strong chemopreventive, but we could not find a link between these two ingredients and weight loss.

Grapefruit extract is another anti-oxidant, but there are warnings associated with taking this herbal extract as it can interfere with how prescription medications are absorbed and metabolized in the body. Caffeine, guarana, and bitter orange extract are three names we know very well. All are strong stimulants. Pack those in with eleuthero and green tea and you have a fat burner that will keep the heart hopping for long periods.

The trouble with products containing high amounts of natural caffeine and other stimulants is the body’s ability to “get used” to these ingredients. Soon the extra stimulation wears off and the dieter is left needing more caffeine to feel the same boost. This is caffeine addiction. On the other side, too much caffeine or stimulant ingredients, all at one time for a dieter who does not drink caffeine can lead to intoxication and overdose, both very harmful conditions.

Zantrex-3 High Energy Fat Burner sells for $39.99. It is offered per bottle or on an auto-ship program.

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  • Green tea and caffeine can work in the body to increase fat burn.
  • The price is lower than comparable supplements.


  • Too many stimulants can lead to caffeine intoxication and overdose.
  • Dieters sensitive to caffeine should not take this supplement.
  • The supplement is only available for sale on the official website.
  • Synephrine or bitter orange has many of the same side effects as Ephedra.


We believe a small amount of caffeine is essential in any fat burner, but Zantrx-3 High Energy Fat Burner too caffeine to the limit with this supplement. Dieters should be very wary of taking a supplement that contains one strong source of caffeine, let alone this many stimulants. The limited availability also prevents some dieters from trying the product, especially if they have no Internet connection to order.

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