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Bootea Protein Shake

The Bootea Protein Shake contains just two active ingredients – whey protein concentrate and green tea extract, which might aid fat loss and muscle gain. Some information about the shake is not provided on the official website, including ingredient quantities.


Bootea Protein Shake Pros
  • There are some early clinical trials that have associated the two key ingredients in the shake with fat loss and muscle gain
  • Whey protein might help to improve recovery from exercise
  • Does not appear to be sold using a free trial scam or recurring payment system
  • The key ingredients are not associated with severe side effects in most people of good health
Bootea Protein Shake Cons
  • No clinical studies have been undertaken on the product as a whole
  • Some information is lacking from the official website, including ingredient quantities and potential side effects
  • No offer of a money-back guarantee
  • Full contact details are not provided for the company

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Bootea Protein Shake Review

Bootea Protein is a powder product that is mixed into water to form a liquid supplement; it is available in several different flavours. The product is advertised as a low calorie, high protein shake that has no sugar and is low in carbs. It is said to help to support muscles and bones. The product contains just two active ingredients – whey protein concentrate and green tea extract.

The company behind the product, Bootea, sells a range of different supplements designed to aid weight loss; it sells internationally and is active on social media. Some information for the company is however lacking, including a phone number and email address for customers to get in contact. Ingredient quantities are also not disclosed for Bootea Protein Shake.

Bootea Protein Shake Claimed weight loss benefits

The only claims that Bootea makes about its protein shake are that it can support muscles and bones. The two key ingredients – whey protein concentrate and green tea extract – have however been associated with a number of areas of weight loss as well as muscle gain and muscle recovery. Whey protein is thought to improve lean body mass whilst reducing fat stores; it has also been said to suppress the appetite. Green tea extract has been claimed to help the body to burn fat more efficiently and to increase the metabolism. There is some scientific evidence in support of these claims, but only from preliminary studies.

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How Bootea Protein Shake Works


The official Bootea website does not make direct claims as to how the protein shake might aid weight loss. The key ingredients have however been associated with several areas of weight loss in the past. Green tea extract is thought to have a thermogenic effect on the body, implying that it might have the potential to increase the metabolic rate and the efficiency of fat burning. Whey protein has been said to increase muscle mass when taken alongside resistance exercise; this ingredient is also thought to improve recovery from exercise, increase lean body mass compared to fatty tissue, and to have an appetite suppressing effect.

How Each Ingredient Works

Whey Protein Concentrate

Whey protein is a common addition to weight loss shakes, but is most commonly used as a key ingredient (and sometimes the only ingredient) in athletic performance protein shakes. The ingredient is thought to target several key areas; when consumed alongside regular exercise, particularly resistance training, whey protein is thought to have beneficial properties for the muscles. Whey protein contains an array of different amino acids, which are used in the body to help build and repair muscle tissue. Supplementation with protein is therefore believed to aid the recovery of muscles after intense exercise and help them to grow.

Whey protein, and indeed protein in general, has been said to have appetite suppressing effects. Taking a protein shake is thought to help keep the consumer full for a long time, helping to reduce calorie intake throughout the day without consuming much in the way of calories and fat. By helping to build muscle, whey protein might also improve body composition and increase the metabolism. The NHS website on the metabolism describes how the metabolism works, and how the body uses up more energy to maintain muscles tissue than it does fat tissue. This means that those with a more muscular body type will burn more calories when at rest than those who are less lean.

Finally, it has been suggested that whey protein supplementation, when taken at the same time as an exercise programme, can help the body to burn more fat whilst maintaining lean mass. This is thought to be achieved by increasing the amount of fat used for energy – whey protein is thought to have some impact on encouraging the body to utilise fat as a primary energy source. Whey protein might therefore be beneficial for those who are looking to improve their body composition rather than simply looking for a drop in the numbers on the scales.

Green Tea Extract

Green tea extract is also believed to aid weight loss in a variety of different ways and so is commonly found in weight loss supplements, though this ingredient has not been associated so much with muscle gain or recovery. Green tea does contain some caffeine, which has been associated with an improvement in athletic performance in the past. Green tea extract is believed to act as a metabolism booster and fat burner; there has also been suggestion that the ingredient can help to suppress the appetite and give the user a boost in energy levels. Any potential weight loss effects of green tea have been attributed to the catechins found in the ingredient – one catechin in particular, epigallocatechin gallate (EGCG) is thought to be a key driver in its claimed fat burning and metabolism boosting properties.

Green tea is thought to contain components that make it cause thermogenesis. Thermogenesis is a term used to describe an increase in the body’s internal body temperature. This temperature increase in turn, is thought to have beneficial effects for weight loss. Firsly, thermogenesis is thought to increase the activity of cells in the body, making them work harder and in turn, burn more calories for energy. This could lead to an increase in the resting metabolic rate of the body (the metabolism). The process has also been claimed to improve the efficiency of lipolysis (fat burning). Thermogeneiss is believed to increase the activity of the key enzymes involved in the breakdown of fat cells, helping them to work more efficiently.

Though not proven in clinical studies, green tea extract has also been said to have an appetite suppressing effect. This effect has been associated with caffeine in the past, and so might be attributed to the caffeine content for green tea extract rather than the catechins present.

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Key Bootea Protein Shake Ingredients

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The official Bootea website provides an ingredients list for the Bootea Protein Shake. It also offers a label with nutritional information on (e.g. how much fat and sugar is present in the product), but a full ingredients list with ingredient quantities is not disclosed. We therefore do not know how much of each ingredient is present in a serving of Bootea Protein Shake, making it difficult to analyse its potential effects. There are only two active ingredients in the shake – green tea and whey protein.

Active Ingredients

Whey Protein Concentrate

Whey is a substance that is created as a by-product of the process of cheese-making. Protein is extracted from the whey and is commonly used in athletic performance and weight loss supplements, usually designed for aiding muscle gain and recovery. Whey protein concentrate has a higher percentage of protein that whey protein isolate. The ingredient has also been used in the past to treat a selection of ingredients in traditional medicine, such as asthma and certain types of cancer.

Green Tea Extract

Green tea extract is a common addition to weight loss supplements. The ingredient is taken from the steamed leaves of the Camellia sinensis plant, which is thought to have an array of different health benefits thanks to its high antioxidant capacity. The ingredient has been used in traditional herbal medicine for centuries. It is believed to help with numerous conditions; some examples include: headaches, depression, stomach problems, Parkinson’s disease, and kidney stones. It is also thought to help prevent certain cancers.

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Clinical Studies

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A scientific literature search does not show Bootea Protein Shake to have been the subject of any clinical testing and no clinical trials are mentioned on the official product website. The key ingredients in the product however (whey protein and green tea) have been subject to some preliminary trials designed to test their potential effects as weight loss or athletic performance supplements.

A clinical study is a means of testing the effectiveness and/or safety of a product or ingredient. Trials are usually performed using a treatment group and a control group. They are designed and undertaken by scientists before being written up in reports and published in peer-reviewed scientific journals.

Clinical Studies On Each Ingredient

Clinical Studies on Whey Protein Concentrate

Whey protein has been subject to some preliminary clinical study with regards to its potential effects as a weight loss and athletic performance supplement. One study, for example, tested the effects of whey protein on weight loss, looking specifically at body composition and blood glucose and lipid levels. The authors of this trial tested whey protein against casein protein (another commonly consumed protein supplement) and glucose (which acted as a control). A total of 70 overweight and obese subjects took part in the trial, which lasted for a period of 12 weeks. Participants were randomly divided to receive one of the three treatments (whey protein, casein protein, or glucose).

The results of this study were published in the British Journal of Nutrition and indicated that whey protein did not have a significant effect on body composition or blood glucose levels when compared to the other two treatments. Whey protein was however reported to have a significant impact on cholesterol and insulin levels, suggesting that it might be useful in the treatment of obesity-related problems.

A second trial also compared whey protein to another type of protein (this time, soy protein) and a control (a carbohydrate supplement). The study, published in 2012, was double blind in nature and looked at the impacts of the treatments on body weight and composition. Ninety overweight and obese participants were involved in the double-blind trial; they were again divided into three groups, each of which took their designated supplement (whey protein, soy protein, or carbohydrate) twice daily for a period of 23 weeks.

The results of this trial indicated that whey protein supplementation in beverage form could help significantly to reduce body weight and fat mass when compared to the consumption of a carbohydrate supplement. A significant improvement in waist circumference was also associated with the consumption of whey protein.

Studies have also looked at the effects of whey protein supplementation on muscle-related factors. For example, a 2006 study was published with the aim of documenting the effects of whey protein on body composition and strength. For this trial 13 recreational bodybuilders, all of whom were men, took part in a double-blind trial whilst following a 10-week programme of resistance training. The subjects were randomly split into two groups; the first consumed whey protein whilst the second consumed casein protein.

After the 10 weeks of resistance training, measurements suggested that the consumption of whey protein isolate could greatly improve lean mass gain when compared to the consumption of casein protein. Whey protein was also linked with a reduction in fat mass in this trial. Finally, the results showed that the individuals in the whey protein group saw significant improvements in strength when compared to the casein protein group.

Clinical Studies on Green Tea Extract

Green tea extract has also been subject to some clinical testing, though it is important to note that this research is still in the early stages and so, whilst some studies produced positive results, the ingredient has not yet been proven to aid weight loss in any way. A study published in 2008 looked at the effect of green tea supplementation on weight loss. For this trial, 60 obese participants were randomly divided into two groups; the first group consumed green tea every day, whilst the second consumed a placebo. The trial lasted for 12 weeks and measurements were taken throughout. The results of this first study suggested that green tea supplementation could cause a significant reduction in body weight when compared to placebo. The authors concluded that this effect was due to an increase in energy expenditure and fat burning caused by the green tea.

Another study was performed to investigate the potential effects of green tea supplementation on weight maintenance following a period of weight loss. For this trial, a total of 104 subjects took part, all of whom were overweight or obese. The participants all followed a diet for four weeks before being subjected to their respective treatment for a period of 13 weeks. Th subject were once again split into two groups – the first of which consumed a green tea treatment whilst the seond took a placebo. In contrast to the previously discussed study, the results of this trial did not highlight any significant differences in weight lost between the green tea group and the placebo group, indicating that it has no notable weight loss effects.

A second study also produced insignificant results. This time, the scientists devised an investigation to test the effects of green tea specifically on resting energy expenditure and substrate oxidation (the metabolism and fat burning). For this trial, 46 overweight female subjects were divided into a treatment group (daily green tea extract consumption) and a control group (daily placebo consumption). The subjects took their allocated treatment for 83 days and measurements were taken before and after the trial. The results showed no significant impact of green tea on weight loss or related factors when compared to placebo.

Studies on the effects of green tea on weight loss have therefore produced mixed results and so cannot be deemed conclusive. Nevertheless, none of the studies mentioned above highlighted any significant negative effects that occurred as a result of consuming green tea.

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Bootea Protein Shake Side Effects

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The official Bootea Protein Shake webpage does not make any mention of potential side effects associated with the product or its ingredients. The FAQ section of the Bootea website notes that the company’s tea products might affect the efficacy of the contraceptive pill, but that the other products (including the shakes) will not. It is recommended that a doctor is consulted before any Bootea product is taken if the user is pregnant, breastfeeding, or conceiving. Whilst the key ingredients in the product are generally believed to be safe for most people, there are still some potential side effects that users should be aware of.

Side Effects Associated With Each Ingredient

Side Effects associated with Whey Protein Concentrate

Whey protein is thought to be safe for consumption by most people in appropriate doses. There have been some reported side effects associated with the ingredient; theses include: stomach problems, like cramps, bloating, nausea, and increased bowel movements, tiredness, headaches, increased thirst, and reduced appetite. Some users have reported suffering from stomach and bowel problems when they first started taking a whey protein supplement, but that with time, as the body got used to the increased protein intake, the side effects went away. Stop taking the product and consult a doctor if these side effects are severe or continue for a long period of time.

Due to a lack of reliable information on the topic, it is recommended that pregnant and breastfeeding individuals avoid taking this ingredient. Do not consume whey protein supplements if you are allergic to cows milk – whilst whey protein concentrate should not contain much lactose, it might still contain some and so could cause problems for this group of people.

There are also some medications that might interact with whey protein; the ingredient could reduce the effectiveness of Levodopa – a medication commonly used to treat Parkinson’s disease. It might also affect the absorption of antibiotics and a medication called alendronate (Fosamax). Consult a doctor before taking whey protein if you are unsure whether or not it might be suitable for you – it is recommended that you take extra caution with this product because the precise quantity of each ingredient is not disclosed on the product website; read the ingredients list and all of the information provided with the product before consuming.

Side Effects associated with Green Tea Extract

Green tea is believed to be safe for most people to consume when taken as a beverage in moderate amounts. Green tea extract consumption is deemed to be possibly safe in moderation for periods of up to two years. Green tea has been associated with stomach problems in the past, including upset stomach and constipation. In rare, unverified cases, green tea extract has been associated with liver problems. It might be best to avoid the ingredient to be on the safe side if you have been diagnosed with a liver problem. Green tea might also affect the absorption of iron from food, so if you suffer from anaemia, be sure to monitor your iron levels carefully if consuming green tea.

Green tea extract contains caffeine and as such, can cause all of the side effects associated with this substance. It is the caffeine content that makes green tea extract unsafe for use in very high doses or in high doses in the long term. Caffeine has been associated with a number of side effects; these include, for example: stomach pain, diarrhoea, vomiting, headaches, nervousness, anxiety, insomnia and difficulty sleeping, increased heart rate and blood pressure, dizziness, irregular heart beat, and ringing in the ears.

There are many groups of people who should be careful when taking green tea supplements. It is not recommended that you consume green tea extract regularly if you have anaemia, an anxiety disorder, a bleeding disorder or scheduled surgery, a cardiovascular condition (including heart disease and high blood pressure), weak bones, irritable bowel syndrome, diarrhoea, glaucoma, or diabetes. Be sure to consult a doctor if you are unsure whether or not green tea extract might be safe for you. Also consult a doctor before taking supplements with green tea extract in if you are taking any medications; the ingredient can interact with certain substances. Consult a doctor before taking green tea extract supplements if you are pregnant or breastfeeding. These precautions are particularly important for this product since we are not told how much green tea extract is present in a serving of Bootea Protein Shake.

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How To Use

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Some brief instructions on how to use the Bootea Protein Shake are provided on the official website. It is stated that one scoop of the protein powder should be added to a shaker along with 400ml cold water. The drink should be shaken and consumed either after a workout ‘or anytime during the day’. There is no mention of how many shakes should be consumed in a day or how regularly they should be taken. The product website provides some information with regards to the nutritional values of the supplement, but does not disclose any ingredient quantities. No potential side effects or people who shouldn’t take the product are mentioned, though a look at the ingredients list reveals that there are some groups who should not take the supplement and others who should consult a doctor before doing so.

Due to a lack of research on the key ingredients in the Bootea Protein Shake, we would recommend that those who are pregnant or breastfeeding avoid the product. If you are taking any medications, consult a doctor before taking the shake. Make sure that you read the usage instructions and ingredients list provided with the product carefully before consuming; these might provide some information that is not available online.

We would not recommend this supplement for those who have any of the following conditions: milk allergy, cardiovascular/bleeding problems, liver problems, anxiety, glaucoma, diabetes, osteoporosis, irritable bowel syndrome, or diarrhoea. Consult a doctor before taking if you are on any medication.

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Who Makes It

The product is sold by the company ‘Bootea’. Whether or not it is manufactured in a facility owned by the same company is not disclosed on the official product website, and there is no mention of any good manufacturing standards. The Bootea product website sells a range of different supplements and foods under the Bootea brand, most of which appear to be targeted at those who are looking to lose weight. The brand is active on social media platforms, including Pinterest, Facebook, and Twitter.

The ‘About Bootea’ section of the website states that the company is based on values that nobody should ever ‘diet’, but rather should make healthy lifestyle changes to encourage weight loss. The company appears to be based in Cheshire, UK, and provides a full postal address. An online form for customers to fill in and weight for a reply to their email address is also provided, but an email address and telephone number for the company are not available to customers.

Payment methods appear to be secure and the company has not been associated with any free trial scams. A free diet plan seems to be available online, but the company does not offer customers any form of money-back guarantee.

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Where To Buy Bootea Protein Shake


Bootea Protein Shake is available on the official Bootea website and does not appear to be available from any other health retailers in the UK, such as Holland and Barratt, Boots or Amazon (which all stock some other products under the Bootea brand).

On the official Bootea website, a tub of Bootea Protein Shake costs £23.99 plus postage. This tub supposedly contains 30 servings and can be purchased in three flavours – vanilla, chocolate, or banana. Bootea does not appear to offer any multi-buy discounts and the product is only sold in one size (30 servings). Some ‘bundles’ are on offer that include the Bootea Protein Shake along with several other Bootea products, such as a shaker bottle, teatox supplement, and oats product.

If the order is placed for a UK address before 7pm on a weekday or before 2pm at the weekend, the package should arrive the next day. It is sent by a courier and costs £3.99 for delivery to the UK. The company also ships to the US, Canada, Australia, and to many countries in Europe and worldwide. The postage prices vary from 7 to 20 euros, depending on the destination. Shipping is free on orders of £50 or more.

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Does Bootea Protein Shake Meet our Approved Criteria

Money-back-guarantee: No, there does not appear to be a 30-day money-back guarantee.

One-off payment: Yes, the payment seems to be one-off via the official product website.

Manufacturing Standard: No, there is no mention of any manufacturing standard certification.

Accompanying Diet Plan: A diet plan is available on the Bootea website.

Ingredients and quantities disclosed: Yes, the ingredients list is provided, but the specific quantities of each individual ingredient are not available.

Company contact details readily available: Bootea provides an online form and a postal address, but no email address or telephone numbers are disclosed.

Bootea Protein Shake does not meet our ‘Approved’ criteria because it fails to provide a moneyback guarantee.

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Overall Verdict

Bootea Protein Shake is advertised as a supplement that has benefits for the muscles. The shake contains just two active ingredients: whey protein and green tea, which are not thought to cause severe side effects for most people when taken in moderation. The two ingredients have both been subject to some early clinical trials that have indicated that they may have slight benefits for weight loss and muscle gain/recovery; more reliable research would however be required to confirm any potential effects. The official Bootea website does not disclose the quantities of the ingredients in the product or potential side effects and there is no money-back guarantee. The company ships worldwide, at a cost.

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