Xyience Extreme Fat Burner Review

Editor's Review: 3.5 / 5.0

What You Should Know

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Xyience Extreme fat burner is also known as Xelerate. The company claims the formula will curb appetite and increase metabolism so the dieter can lose weight quickly. Most fat burners with the name extreme in the name are packed with stimulants making them unsafe for most dieters. Xyience claims the Extreme fat burner will help the dieter shed tons of fat, but that is not always the case with a fat burner. If the dieter does not eat properly and exercise, the fat burner will do nothing but increase energy and cause negative side effects.

List of Ingredients


  • Thiamin
  • Riboflavin
  • Niacin
  • Vitamin B6
  • Pantothenic Acid
  • Iodine
  • Caffeine
  • Rhodiola Extract
  • N-Acetyl-L-Tyrosine
  • Adenosine Cyclic 3′-5′-Monphosphate
  • Octopamine
  • Grapefruit Extract
  • 5-Hydroxytryptophan
  • Evodiamine
  • Guggul
  • Oil of Clove
  • Vinopocetine
  • Forskohlii
  • Bioperine

Product Features

There are lots of powerful ingredients in Xyience Extreme fat burner, but the most concerning is caffeine. There are 400 mg of caffeine per dose of this fat burner. That is double the average dose of over the counter anti-sleep medications. Dieters who are sensitive to caffeine should NEVER take this supplement as that much caffeine can cause heart palpitations, angina and increased blood pressure.

Excessive caffeine intake can lead to dependence, so the dieter needs to take caffeine every day to prevent negative side effects like migraine headaches and nausea. Eventually, the body gets used to the caffeine, even at high doses like 400 mg in one sitting and the dieter must either take more caffeine or face those negative side effects. The more caffeine in a supplement, the harder the side effects of withdrawal are bound to hit.

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  • Ingredients are posted online.
  • Caffeine is proven to boost metabolism and energy.
  • The supplement can be purchased online.


  • Contains more caffeine than 4 to 5 cups of coffee taken at one time.
  • Will cause negative side effects for most dieters.
  • Could cause heart palpitations or severe chest pain.
  • May be addictive.
  • If the dieter stops taking this supplement after a short while they could suffer withdrawal symptoms.


Xyience Extreme Fat Burner is not a supplement we would suggest for most dieters. There is far too much caffeine in the supplement and most dieters cannot handle this much caffeine without feeling shaky, jittery and sick to the stomach. Caffeine can cause muscle cramps, including cramping of the heart. There is no need to take a supplement that causes more negative side effects than helpful benefits.

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