Full Phentaslim Review 2016: A real honest research based perspective

MUCH BETTER THAN PHENTASLIM: I really do not like pushing products in front of my readers, however, i have had extremely good results with PhenQ, and would definitely recommend you read my review over here if you have time. It is also cheaper than Phentaslim too!

Hi, this is my unbiased Phentaslim review, based on hours of research.

Bottom line, if I find any product has way to many negative reviews and negative side effects, then it gets a big thumbs down from me. This is one of the most accurate Phentaslim reviews on the internet.

What is Phentaslim and what does it claim to do?

Phentaslim is a diet pill which claims to ‘reduce your body fat by working with your body to boost metabolism and curb food cravings’. This product contains a range of clinically proven ingredients.

This product is designed for both Men and Women. It is manufactured in the FDA and GMP facilities in the USA. It is also manufactured by a company called Optimum Nutra Inc.

2016 phentaslim review

According to, the 4 main attributes include;

  • Longer Lasting EnergyBoosts Energy Levels without that crash and burn feeling, so you’re ready for anything!
  • Boosts MetabolismRamp Up Your Metabolism so that you burn more calories and promote fat loss.
  • Suppresses AppetiteEasily Suppress Your Appetite so that you stop snacking between meals and eat less!
  • Supports Mental PerformanceSupports good mental balance, good concentration and co-ordination.

Does this product actually work?

So firstly in order to see any type of results with this Diet Pill, there needs to be an intake of three capsules once daily. It should be taken 20 minutes prior to breakfast, lunch and dinner along with a glass of water. However due to the ingredient caffeine in this product, I would suggest that customers should avoid consuming the product in the evening.

The official website states that this diet pill uses ingredients that are clinically proven. However I was unable to find any actual studies presented by the company, which prove that the ingredients have been checked.

It is always best to check what customers who have actually used the product, have to say about it.

On the official website, there are only two customer testimonials. They are as followed; ‘Fantastic product, it just works! I may not yet quite have the six-pack but Phentaslim has helped me to get rid of my beer belly in less than 5 weeks (UK Customer) followed by ‘I’ve been using this product for 3 weeks now, and my appetite really dropped, I have lots of extra energy for my workouts and my day, and I have lost 12 pounds so far! …. I couldn’t have done it without this diet pill (USA Female Customer).

The ingredients list and the customer reviews, situated suggest that this diet pill does aid weight loss.


According to the official website for this product, it contains 100% Natural and Safe Proven Ingredients.

Each serving of the product contains 1,800mg, with 16 ingredients that contain vitamins and minerals.

Green Tea (375mg) – Green Tea contains large amounts of important nutrients. It is loaded with polyphenols like flavonoids and catechins, which function as powerful antioxidants. It aids with improved brain function, fat loss, a lower risk of cancer and many other incredible benefits.

Caffeine (270mg)

L-Theanine (225mg)

L-Carnitine (200mg)

L-Tyrosine (200mg)

Panax Ginseng (120mg)

Guarana Seed (100mg)

Magnesium (80mg)

Cayenne Pepper (50mg)

Niacin (Nico tonic Acid) (20mg)

Zinc (As Zinc Acetate) (15mg) 

Black Pepper Extract (6mg)

Vitamin B6 (As Pyridoxine HCL) (1.8mg)

Riboflavin (Vitamin B2) (1.7mg)

Thiamin (Vitamin B1) (1.3mg)

Vitamin B12 (As Cyanocobalamin) (10mcg)

Side effects

Whilst searching online, I found out that some of the ingredients in the product can cause side effects. Consuming large quantities of particular ingredients in the product can also be seen as a problem.

For example consuming large amounts of caffeine can lead to dehydration, increased heart rate, heart palpitations, increased blood pressure and even insomnia is some people. As the product contains caffeine, it would be best to avoid drinking other sources such as tea and coffee, as this may increase the chances of you developing any of these side effects.

The black pepper ingredient in the product is seen to increase the bio availability of caffeine and medications, which may also increase the chances of developing these side effects. L-Theanine is also seen to develop some of the side effects caused by caffeine, for example jitters.

The ingredient Cayenne seems to cause increased palpitations and a slightly raised body temperature. Some people have reported stomach upset, flushing and a runny nose.

It is always best to speak with your doctor, pharmacist and/ or a health professional before you consume this product and if you believe these may apply to you.


The product can be purchased from it’s the official website. The product can be seen as quite pricey. However, if you purchase in bulk you can get a much better value for money. Here is a breakdown of their prices. (Remember each bottle contains 90 capsules)

1 Bottle = £36.99 + Free Shipping ($59.99)

(Recommended for losing 3 -10lbs*)

2 Bottles = £59.99 + Free Shipping ($99.99)

(Recommended for losing 10 -20lbs*)

3 Bottles + 1 FREE Bottle = £94.00 + Free Shipping ($139.99)

(Recommended for losing 20+lbs*)

Customers are able to pay either through PayPal, using a Visa/Debit Card, MasterCard or American Express credit card. Please check on the the official website, for further prices and payment options that suit you.

Money back guarantee

On the plus side this product is a guaranteed, 100% risk free or purchase. You have within 60 days of your order date to return the bottle, with ‘hassle – free’ return instructions provided.  The guarantee includes one opened bottle and any remaining bottles must be kept in a sealed, re-saleable condition, in order for there to be a full refund.


I believe that this diet pill does possibly work as this is a very popular product in both the UK and USA, used by 1000’s of people, with different reviews.

The official website is very clear and concise, with a range of different payment options, to suit their customers. They offer a full refund, 60 Day Guarantee.

It is manufactured by a legitimate company ‘Optimum Nutra Inc.’ Products inspected in a GMP facility, approved by the FDA.

The product seems to have strong ingredients, with very well-known ingredients such as Green Tea and Caffeine. On the plus side, who would not want a product that contains natural vitamins and minerals?

However due to some of the ingredients in the product, it is very important to take extra precaution, whilst consuming the product, in order to minimise the chances of developing the known side effects. All guidelines and instructions should be followed carefully whilst taking the product.

Furthermore if you would want to see more fat loss results, it is best to  select a supplement that is supported by plenty of positive customer reviews, does not cost a fortune and does not rely on fat diet ingredients.

With that being said, this does seem to be a good product, and it would be worth trying it out for yourself. I would say that Phentaslim is better than Leptigen but PhenQ beats them all.

I recommend PhenQ over Phentaslim because it really worked well for me

Warning: As most of the supplements reviewed on Liberty Surf, Phentaslim is certainly not for the use of any person under the age of 18. I would strongly advise that if you are under 18 years of age, DO NOT use these pills. These pills should be kept away from children. Pills MUST BE swallowed with water.

For the females, if you are currently pregnant or you are currently breast feeding, or in the near future you are considering becoming pregnant, do not use this product.

If you have any current medical conditions, make sure you consult with your doctors before you even think about using this product. As mentioned above there have been no reported side effects of this pill as of yet. However, if you do experience any symptoms such as a rapid heartbeat, vomiting, dizziness or any other similar symptoms, stop use.


Is Phentaslim safe

As long as it is taken as directed, then this product is safe

Is Phentaslim a scam

This product is not a scam and actually quite effective.

Is phentaslim fda approved

It is not fda approved but is manufactured in fda approved facilities.