Natural EFX Review

Editor's Review: 3.5 / 5.0

What You Should Know

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Natural EFX is a non-stimulant fat burner from Fahrenheit Nutrition. The supplements description claims the product works just as well, if not better, than other fat burners packed with stimulants that cause racing heart rates and increased blood pressure. Just because the formula does not contain stimulants, does not mean it is safe and effective.

List of Ingredients


  • Vitamin B6
  • Chromium
  • Calcium
  • 7-KETO
  • Acetyl L-Carnitine
  • Dandelion Root
  • 5-HTP
  • Hoodia Gordonii
  • Alpha Lipoic Acid

Product Features

Only one of the ingredients in the Natural EFX formula is proven to boost weight loss – chromium. Chromium works to reduce carbohydrate cravings and that is crucial to maintaining a healthy diet and weight loss program. Chromium controls hunger and appetite by helping regulate blood glucose response to food.

Vitamin B6 is a water-soluble vitamin that leaves the body during urination a couple hours after it’s taken. There are no metabolism boosting benefits.

Calcium is proven to increase fat loss in clinical studies, but it also causes constipation when taken without magnesium. There is no magnesium in this supplement. To make matters worse, dandelion root is a diuretic. Diuretics cause dehydration and potassium loss. Adding dehydration to the mix when constipation could already be a problem is not a good idea.

Hoodia is a pseudo appetite suppressant. We use the word pseudo because this ingredient is proven to have no effect on appetite in clinical studies. Moreover, the FDA warns that most supplements claiming to contain hoodia don’t really contain real hoodia.

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  • Ingredients are listed on the official website for Fahrenheit Nutrition.
  • The product lives up to the claim that there are no stimulants.
  • Contains chromium.


  • Does not contain any proven fat burners.
  • Hoodia is not an effective appetite suppressant.
  • Dieters may suffer from constipation and dehydration.
  • Contains a diuretic.
  • Should not be taken with prescription medications.


Natural EFX does not provide any weight loss effects. The ingredient list looks more like an inflated vitamin supplement than a weight loss product. We would like to see green tea, even if it were included in decaffeinated form. Green tea contains EGCG proven to promote a healthy metabolism and boost weight loss without the stimulating effects of caffeine.

Combining calcium with a diuretic could cause some serious problems. Calcium needs to be taken with magnesium to reduce the risk of constipation. Dieters should stop taking this supplement if they find it difficult to have a bowel movement after taking it.

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