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Protein World Hunger Buster Reviews [UK] 2023: Does It Really Work?

Mitchelle Morgan

Updated on - Written by
Medically reviewed by Dr G. Michael DiLeo, MD

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Protein World Hunger Buster




Support Research






  • Protein World Hunger Buster is an appetite-suppressant weight loss capsule.
  • It is diabetic-suited.
  • It is free of gluten, lactose, and soy.
  • It is halal, kosher, vegan, and vegetarian.
  • You can chat with the nutritionist.
  • The company offers fast and worldwide shipping.
  • The formula is a product of leading experts.

Brand Information

  • Founded in 2012.
  • The CEO is Arjun Seth.
  • Serves 74 countries.

Medical Benefits

  • Appetite suppression.
  • Energy level boosts.
  • Fat burning.
  • Weight loss.

About The Brand

Are you looking for a way to manage your appetite and support your weight loss goals? Look no further than Protein World’s Hunger Buster capsules. The brand claims that these expertly developed capsules work thanks to their ingredients.

The brand sells nutritional products that cover weight loss, workouts, foods, and snacks. In their weight loss category, they have meal replacements, keto, and vegan varieties. They sell whey protein powders, accessories, and snacks within their fitness category. And finally, their food and snack category consists of protein bars, baking, and breakfast products.

Read Protein World’s Hunger Buster reviews like this one to learn all about the supplement. 

What Is Protein World Hunger Buster?

At just $24.00, these diet pills are an affordable way to control your appetite and help you achieve your weight loss goals.

But what makes Protein World’s Hunger Buster capsules so special?

For starters, they’re suited for those with diabetes. They are also gluten-free, halal, kosher, lactose-free, soy-free, vegan, and vegetarian. That means they’re a great option for anyone looking for a high-quality appetite suppressant that fits their dietary requirements.

The key ingredient in Protein World’s Hunger Buster capsules is konjac glucomannan,[1] a natural soluble fiber that absorbs water and is purported to reduce hunger pangs. It also contains Garcinia Cambogia,[2] a whole fruit powder that may contribute to normal macronutrient metabolism.

We shall get into the detailed studies of each ingredient and connect their effectiveness linked to this product. So hang tight for that.

Besides a simple formula, the Protein World company offers fast, worldwide delivery. Protein World also offers access to the brand’s nutritionists. The accessibility to expert nutritionists guides you through using this and other products to end hunger pangs or improve your overall health. However, note the comment about these nutritionists in the FINAL THOUGHT section. 

Feature Product & Coupon

Protein World Hunger Buster

Best Reputation

Protein World Hunger Buster

  • Protein World Hunger Buster is an appetite-suppressant weight loss capsule.
  • It is diabetic-suited.
  • It is free of gluten, lactose, and soy.
  • It is halal, kosher, vegan, and vegetarian.
  • You can chat with the nutritionist.
  • The company offers fast and worldwide shipping.
  • The formula is a product of leading experts.

Does Hunger Buster Really Work?

The success of weight loss products is directly linked to the effectiveness of the individual ingredients. It is also presumed by the results offered through past client reviews.

This supplement has 1000 milligrams of konjac glucomannan and 400 milligrams of Garcinia cambogia.

In a nutshell, the konjac plant glucomannan is thought to suppress appetite since, once consumed, it becomes a gel-like substance that makes a consumer feel fuller — reducing food intake that results in weight loss. The FDA[3] considered glucomannan a dietary fiber. Dietary fibers[4] are known to promote weight loss.

Garcinia cambogia may help reduce fat cell formation, reduce food intake, and initiate long-term weight loss. So far, the quantity of this ingredient needed to be consumed to achieve weight loss has not yet been determined.

Regarding client reviews, the reviews left on the website are mostly positive. On Amazon, the product has a 3.8 out of five average rating. This is a fair assessment with a mix of both positive and negative remarks on both platforms.

From these two perspectives on their Hunger Buster’s effectiveness, it seems to work, and there is evidence to prove it from the positive customer reviews.


  • Appetite suppression.
  • Vegan and vegetarian-friendly.
  • Diabetic-suited.
  • Gluten-, soy-, and lactose-free.
  • Simple formula.


  • The daily dosage is high.
  • Qualification of their nutritionists unknown.

Hunger Buster Ingredients

Here is the breakdown of what each ingredient helps you achieve.

The ingredient label includes two main substances: 1000 milligrams of konjac glucomannan and 400 milligrams of Garcinia cambogia. According to the manufacturer, this formula helps reduce hunger and improves serotonin production.

The other ingredients listed in the nutritional information are:

  • Vitamin B6.
  • Vitamin B12.
  • Caffeine Anhydrous.
  • Green Tea Extract.
  • L-tyrosine.
  • Guarana Extract.
  • Yerba Mate Powder.
  • Choline.
  • Alpha-Lipoic Acid.
  • Cayenne Powder.

The manufacturer also attests that you should pair the capsules with the Slender Blend and Fat Metaboliser Capsules if you want the best results. The Slender Blender comes in 14 flavors and retails for $70. The Fat Metaboliser Capsules cost $29.

This product has several ingredients; however, the two active ones are konjac glucomannan and Garcinia cambogia. So here is an in-depth review of the two ingredients.

Konjac Glucomannan

As aforementioned, glucomannan is a dietary fiber sourced from the konjac plant. And it is claimed to help with appetite suppression, weight loss, and improving body composition.

On appetite suppression, this fiber becomes a gel-like substance once hydrated in the stomach. This substance’s added bulk then tricks the brain into thinking you are fuller. It may also slow down food movement[5] from the stomach, making this fullness last longer.

Its claim on long-term weight loss is, however, controversial.

There are a few reports it does nothing for weight loss. A 2013 study[6] with 50 subjects under eight weeks of close examination with glucomannan intake proved this. The subjects had their weight and metabolic variations monitored for a conclusion. The results: glucomannan did not affect weight loss.

This study contradicts earlier 2008[7] and 2007[8] studies favoring glucomannan working in improving body composition when used alongside resistance training. And a more recent 2020 study,[9] while acknowledging the conflicting data, also concludes it may still be promising and requires more study.

Because of the lack of consensus on its effectiveness, we can only conclude it may work for weight loss by appetite suppression alone. Consuming less food reduces calorie intake, improving diet control and weight loss.

Garcinia Cambogia

Garcinia cambogia has appetite-suppressing properties thanks to hydroxy citric acid. HCA inhibits body weight[10] gain and reduces the synthesis[11] of fatty acids, triglycerides, and cholesterol. It is also a potent neuromodulator of serotonin, the modulation of which controls how full[12] you feel.

A study in 2019[11] done on 100 obese subjects showed that HCA may help reduce fat accumulation and body weight. It also stated that this substance might help reduce body and metabolic syndrome measurements.

A 2021 study[13] supported the claim that serotonin-boosting substances can affect food intake; however, the relationship among appetite, central serotonin, and peripheral serotonin is just too complex to establish a meaningful conclusion as it applies to supplements.

Other ingredients

Since this product also has other ingredients in the nutritional information label, here is where each of them helps with weight loss, appetite suppression, and fat metabolism:

  • Vitamin B6: It helps convert food into energy and may increase metabolism.[14]
  • Vitamin B12 plays a role in energy and cell metabolism[15] and may boost metabolism.
  • Caffeine Anhydrous: This stimulant increases energy,[16] suppresses appetite, and promotes body fat reduction,[17] BMI, and weight.
  • Green Tea Extract: This extract contains catechins and caffeine that may boost metabolism, increase fat oxidation,[18] and suppress appetite
  • L-tyrosine: This amino acid may enhance mood[19] and cognitive function, leading to better adherence to a weight loss plan.
  • Guarana Extract: This is a natural source of caffeine that may boost energy and is typically used as a therapeutic agent for obesity.[20]
  • Yerba Maté Powder: This substance contains caffeine and other compounds that may boost metabolism, satiety,[21] and mood.
  • Choline:[22] This ingredient is an essential nutrient that may help support fat metabolism and liver function.[23]
  • Alpha Lipoic Acid: This antioxidant may decrease BMI and body weight[24] and support energy metabolism.
  • Cayenne Powder: This substance contains capsaicin, which has anti-obesity properties[25] due to improved metabolism.

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Health Benefits Of Hunger Buster

The main health benefits we can conclude, thanks to the ingredients, are:

  • Appetite suppression.
  • Faster fat burning
  • Increased energy levels.
  • Better mood.
  • Weight loss.

These health benefits are, theoretically, guaranteed within a healthy lifestyle, including a balanced diet and an active workout protocol.

This supplement may not be suitable for pregnant women and individuals with medical issues taking prescription medication. The best route is always to seek advice from a doctor before using it.

Potential Side Effects

Side effects typically arise from ingredient allergies, medical interactions, and product misuse. That said, here are some common side effects that may arise from using appetite suppressant supplements linked to the active ingredients:

  • Konjac glucomannan: Gastrointestinal discomforts, such as bloating, gas, and diarrhea, especially if taken without enough water; possible interference with the absorption of some nutrients and medications.
  • Garcinia cambogia: Gastrointestinal discomforts, such as nausea, vomiting, and diarrhea; headache and dizziness; potential serotonin toxicity,[26] especially if taken in high doses or combined with other liver-damaging substances; interaction with some medications such as antidepressants, statins, and blood thinners.
  • Vitamin B6: Nausea, vomiting, stomach pain, headache, tingling sensations in hands and feet, photosensitivity.
  • Vitamin B12: Nausea, vomiting, diarrhea, loss of appetite, headache, itching, nervousness, difficulty breathing.
  • Caffeine anhydrous: Insomnia, restlessness, anxiety, jitteriness, increased heart rate and blood pressure, nausea, headaches, dehydration.
  • Green tea extract: Nausea, vomiting, abdominal pain, constipation, liver damage, allergic reactions.
  • L-tyrosine: Nausea, vomiting, diarrhea, restlessness, anxiety, high blood pressure, rapid heart rate.
  • Guarana extract: Insomnia, restlessness, anxiety, jitteriness, increased heart rate and blood pressure, nausea, headaches, dehydration.
  • Yerba maté powder: Insomnia, restlessness, anxiety, jitteriness, increased heart rate and blood pressure, nausea, headaches, digestive upset.
  • Choline: Fishy body odor, sweating, diarrhea, vomiting, bloating, stomach pain, liver damage.
  • Alpha-lipoic acid: Nausea, vomiting, upset stomach, skin rash, and low blood sugar.
  • Cayenne powder: Burning sensation in the mouth and throat, stomach upset, sweating, flushing, runny nose.

Most do not experience side effects from these ingredients, and the risks and benefits may vary depending on individual factors such as health status, your prescription medications, and dosage. It’s always recommended to consult a healthcare provider before taking any new supplements or making significant changes to your diet.


The label suggests taking two Hunger Buster capsules daily for those with a low caffeine tolerance and increasing to four capsules for those with a high tolerance.

Taking the capsules with a meal or shake is also recommended to maximize absorption and reduce the risk of side effects. It’s important to note that increasing the dosage beyond the recommended amount can increase the risk of adverse effects.

Always combine the supplement with a varied and balanced diet for better results.

Hunger Buster Review [UK]: What Do Real Users Say?

The first search for customer reviews was the brand’s site. Here, we found positive and negative remarks indicating that the brand is open to criticism:

Pashan Parks states that,

I used this product a while back, and it worked along with taking iaso products and a small diet; it decreased my hungry and I was losing 3 lbs a day within a month I lost 25 to 26 lbs but unfortunately this product was to high in caffeine and was giving me chest pains and jitters and i reduced to only taking one pill a day and I had to stopped taking it all together but this was a great product while it lasted I just wish the mg wasnt so high because I lost a total of 53 lbs with this product and CLA….

On Amazon, Helen Smith says,

In my opinion it does what it says on the bottle. As I can have two when I feel hungry and the hunger goes away for a while, which I think is great. However, my dad tried them for a while and felt they didn’t make any difference. So I think they act differently on each person, and everyone will have different results. With how I’ve found them to work, I would definitely recommend.

Another user, Leigh98, states,

Had high hopes but does nothing for hunger and just gave me a belly ache.

From the assessment of all remarks, the positives were that the supplement helped most of its users. However, there were reports of chest pain, stomach aches, and challenging digestion in different clients. The caffeine content is also too high for some users with caffeine sensitivities.

Final Thought

Sometimes weight loss comes with a few sacrifices, like adopting exercise or diving deep into a calorie-restricted diet where you consume fewer calories than you would typically do to lose weight.

While the calorie-restricted diet contributes to fat loss, it may also result in some shortages and make you feel sleepy and weak.

Protein World’s Hunger Buster promises to aid in weight loss without the adverse effects of tiredness and weakness.

One concern is that the brand offers what they call experts in nutrition — as qualified nutritionists — without citing their qualifications. Are they Registered Dietitian Nutritionists, board-certified? Likely not. Likely just trained by the brand to be qualified according to their standards. 

That being said, it’s hard to go wrong with the two main ingredients in the product. 

Users have reported appetite suppression, weight loss, and even energy boosts with the other ingredients. It’s also vegan, halal, kosher, diabetic-suited, and gluten-free.

Just remember to consult a registered dietitian before usage. 

Frequently Asked Questions

What does Hunger Buster do?

Hunger Buster helps suppress appetite, boost energy levels, elevate mood, and promote weight loss.

How do you use a Hunger Buster?

The daily dose is two capsules. You swallow a pill in the morning and the afternoon with a full glass of water, shake, or meal. If you do not have a low caffeine tolerance, up the dose to 4 capsules daily, consuming two at a go.

Is Hunger Buster good for weight loss?

Yes, it is, since it suppresses appetite and boosts fat metabolism, which is instrumental in weight loss.

Is Hunger Buster safe?

Hunger Buster is considered safe as it is recommended for diabetic, kosher, and halal diets using ingredients that are gluten-, lactose-, or soy-free.

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Health Canal avoids using tertiary references. We have strict sourcing guidelines and rely on peer-reviewed studies, academic researches from medical associations and institutions. To ensure the accuracy of articles in Health Canal, you can read more about the editorial process here

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Mitchelle Morgan

Medically reviewed by:

Michael DiLeo

Mitchelle Morgan is a health and wellness writer with over 10 years of experience. She holds a Master's in Communication. Her mission is to provide readers with information that helps them live a better lifestyle. All her work is backed by scientific evidence to ensure readers get valuable and actionable content.

Medically reviewed by:

Michael DiLeo

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