Protein World is a meal replacement supplement that claims to help in weight loss, appetite suppressant, fat metabolizer, body cleanser and fatty acids. The diet pill has stimulant ingredients, fiber, and other common weight loss ingredients.


The company claims their brand will increase energy, boost your metabolism, help your body tone up, and flush out toxins.  We will go over the ingredients and whether it works for weight loss.

Green Tea Extract:

This plant extract is usually brewed as a tea, has antioxidants and stimulants.  Studies have shown that taking concentrated green tea extracts can lead to liver problems.  The National Center for Complementary and Integrative health has warned that abdominal pain, yellow skin, and dark urine are signs of serious liver problems.  Warning – healthy people have suffered from organ damage from green tea extract.

Other side effects include headaches, insomnia, jitters, cold sweats, rapid heartbeat, convulsions, confusion, mood swings, and many other side effects.

Guarana Extract:

The plant seed is found in the Amazon and contains stimulant compounds for increased energy, increased metabolism, and to promote fat burning.  Guarana could possibly be unsafe if taken by mouth in high doses over a long period of time.


This is a noncaloric, artificial sweetener that is over 1,000 times more sweet than sucrose.  The Center for Science demoted this ingredient from safe to caution, believing it is potentially dangerous.

Blood sugar is raised due to sucralose and should not have that effect.  Sucralose fed to mice had lowered good gut bacteria that is needed to support the immune system.  It also led to the promotion of P-Glycoprotein which the body releases when potential toxins enter.

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Caffeine Anhydrous:

This is a dehydrated caffeine that is often added to weight loss supplements.  It is used to stimulate the central nervous system, raising the metabolism, boosting energy, and can raise your blood pressure.

Protein World’s formula contains a total of 400 mg of caffeine per daily serving.  This is considered the highest allowed amount one can take before experiencing extreme side effects.

Tests have shown that caffeine’s effects for fat burning subject to the tolerance of the user.  Those who are used to caffeine will probably have not effect.

Yerba Mae Powder:

The leaves of this plant are often brewed in drinks.  It is a stimulant that can increase heart rates, muscles, and the brain.  Web MD has expressed concerns over the safety of this additive.  When taken in high doses Yerba mate is potentially unsafe.  It can lead to high blood pressure, migraines, and difficulty breathing.

Konjac Glucomannan:

This is a fiber extract from the konjac plant.  It’s used to regulate blood sugar and suppress the appetite.  It’s advised to drink plenty of fluids as it can lead to choking and blockages.


It’s a B vitamin that is often found in common foods such as eggs, nuts, meat, and beans.  It’s used to help regulate the nervous system.  It can lead to diarrhea, fishy odor, breath odor, and sweating.

Protein World Supplement has many additives that are found in other supplements.  Their diet pills are potentially harmful and have not proven to promote weight loss.  The total caffeine in the diet pills is 400 mg per day, which with the added shake will go beyond the advised limit of daily caffeine intake.

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Direct sales provide their weight loss package which includes an appetite suppressant, fat burner, and meal replacement for a whopping $102.  The company has not mentioned how long the package lasts.

Their additives are found in many other brands.  The pills are loaded with potentially harmful stimulants and other ingredients have not proven to promote weight loss.  There are other meal replacements with high-quality ingredients, placing this one as “I can’t be bothered!”