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Phen375 Review (2023 Updated) Does It Work or Just a Scam?

Tracy Thompson
Published by Tracy Thompson | Senior Coach
Last updated: August 25, 2023
We personally test every product featured in our reviews and guides. By ordering products anonymously and getting a group of independent testers, we are able to get first-hand experience and provide data-driven recommendations. Learn more.

Most of my clients who have used Phen375 have reported that it increased their metabolism, minimized their cravings, and raised their body temperature.

As a fitness instructor, I conducted extensive research on Phen375 and personally tested it for six months to determine whether it truly works to assist people in losing weight quickly.

In this Phen375 review, I will go over my personal experience with the fat burner, discuss its ingredients, and conclude whether it's a worthwhile investment for your weight loss goals.

Let’s begin.

What Is Phen375?

Phen375 in blue background

Phen375 diet pills is a fat-burning supplement that may help increase metabolism, aid weight decrease, burn fat, and decrease your appetite and calorie consumption.

This over-the-counter supplement can help you look slimmer while feeling healthier, happier, and more energized.

Phen375 diet pills are made entirely of natural ingredients, which may explain why many consumers are satisfied with the product because it enables them to live a healthy lifestyle while losing weight.


Phen 375

Overall Score 3.3

How does Phen375 diet pills work?

Phen375 diet pills work as an aggressive fat burner and appetite suppressant. It may help boost your metabolic rate and increase thermogenesis so you can burn more calories and lose weight quicker.

But it goes beyond that.

It also works to suppress your appetite to make it easier for you to follow a calorie-restricted diet. Controlling your appetite is crucial to long-term weight decrease.

It's not advisable to skip meals because it may force your body to enter starvation mode where metabolic rates can slow down which can make the process of burning fat more difficult.

Phen375 diet pills is kind of similar to Phentermine, except that Phen375 contains all-natural ingredients that can control hunger, increase metabolism, lose weight, and burn fat.

Phen375 Diet Pills Ingredients

Supplement Facts of Phen375

Now, let’s see the main active ingredients Phen375 fat burner formula for the US market, and what fat-burning effects and other benefits they may provide.

(Note: The EU formula differs as it doesn’t contain Coleus Forskohlii Root and Dendrobium Nobile Extract.)


Phen375 formula consists of 68% L-Carnitine, an essential amino acid that helps your body create protein and turn stored fat into energy [1].

L-Carnitine is commonly used in many weight loss supplements to speed up metabolism, weight loss, and recovery from exercise stress [2], as well as reduce muscle pain and fatigue [3].

Caffeine Powder Anhydrous

Caffeine powderer is a powerful stimulant of the central nervous system helps to keep you mentally alert and more energized throughout the day.

Similar Product: Steel Shredded AF Review

Plus, it improves your athletic performance and endurance [4].

"Relying on caffeine to power through your day can drive an energy plummet hours later."

- Pam Nisevich Bede, RD, Registered Dietician for Abbott in Abbott Park, Illinois.

Caffeine powder anhydrous also suppresses appetite, increases your metabolic rate, and stimulates thermogenesis that makes you shred body fat for energy to make you lose weight faster [5].

This helps you lose weight quicker and easier, especially when combined with other ingredients like Citrus Aurantium [6].

Coleus Forskohlii Root

The 10% of Forskolin, an active compound from the plant found in this diet pill, can improve your blood flow, mental performance, and libido.

It also helps L-Carnitine release the stored fat from your fat cells, supporting your weight loss journey [7].

But, it won’t work without a sensible diet and workouts.

Citrus Aurantium

Citrus fruits slices

Similarly effective in weight loss, this is one of the best thermogenic substitutes for controversial and aggressive ephedra [8].

Containing 10% of synephrine, it can safely and effectively boost metabolism, promote weight loss, and improve sports performance, especially when combined with stimulants like caffeine powder [9].

Plus, it may increase your energy levels and suppress food cravings, leading you to lose weight.

Cayenne Pepper

Thanks to the thermogenic properties of capsaicin from cayenne pepper, this dietary supplement can relieve muscle pain, reduce hunger and “bad cholesterol,” and improve metabolic rate and efficiency, which results in a healthy diet, among many other health benefits [10] [11].

Cayenne pepper works by increasing the overall body temperature to speed up metabolism, making it burn calories faster.

It is a known appetite suppressant in many fat burners and weight loss drug products on the market.

Dendrobium Nobile Extract

Dendrobium Nobile Extract

This extract derived from orchids improves immunity, digestion, stamina, and physical performance.

It also further enhances the energizing and weight loss effects of L-carnitine, caffeine, and capsaicin.

This anti-inflammatory herb is also commonly used in Chinese medicine and as a pre-workout supplement [12] [13].

Chromium Picolinate

Besides many other health benefits, when taken in small daily doses, this vital mineral aids in keeping your blood glucose balanced, blocking appetite (especially fat and sugar cravings), increasing lean muscle mass, and reducing fat storage to promote weight loss [14].

Calcium Carbonate

Now you may think: "Chalk in supplements can help me lose body weight? Really?"

Actually, it mainly acts as a bulking agent in such weight loss pills, but some studies also show that calcium plays an important role in increasing fat breakdown and decreasing fat absorption [15] [16].

Pros and Cons

  • Claims to reduce appetite, increase metabolic rate and energy levels to enhance fat loss effectively
  • Said to be 100% safe, produced in FDA-compliant labs using scientifically-proven, natural ingredients of high quality
  • Comes with a free customizable diet plan and exercise routine to help increase your muscle mass
  • Provides 60-day money-back guarantee
  • Higher price and the shipping isn’t free as for many other similar products
  • Although the product’s low in stimulants, they’re still powerful, so a sensitive customer should first consult a doctor to avoid experiencing potential adverse effects.

Phen375 Diet Pills Benefits

Phen375 diet pills offers plenty of benefits that can help you focus on burning extra calories and shedding unwanted pounds.

The following is a list of benefits:

  • Increases metabolism
  • Controls and suppresses appetite
  • Reduces food cravings
  • Improves energy levels
  • Speeds up fat burning process

While using Phen375 diet pills for six months, I was able to reduce my daily caloric intake while having fewer sweet cravings. However, I didn’t lose more weight because I already have a lean muscular physique.

Any Side Effects?

Phen375 diet pills has caused no side effects, indicating that it should be safe to use as long as you don’t exceed the recommended dosage.

However, just like other weight loss supplements containing stimulants, including those naturally-sourced ones, some sensitive individuals who use Phen375 might experience potential mild side effects like:

  • Allergic reactions to some herbal ingredients
  • Headaches
  • Upset stomach and cramps
  • Nausea
  • Dizziness
  • Increased pulse rate and blood pressure
  • Jitters
  • Nervousness
  • Insomnia

These adverse effects are rare, and most are due to an overdose of caffeine, so you can easily avoid them if you closely monitor your total caffeine daily intake. Otherwise, you can opt for a caffeine-free fat burner. It's especially if you're sensitive to caffeine and want to avoid the jitters, nervousness, and insomnia.

I didn’t experience any side effects while taking Phen375, which may be because I have no allergies or intolerances to the ingredients in the formulation. For best results, ask your dietician or nutritionist for more information. It allows you to discover whether the supplement can improve your current health situation.

Where's the Best Place to Buy Phen375 Diet Pills?

Woman buying online with her credit card

The best place to buy Phen375 diet pills is directly from the manufacturer’s official website. It's the only sure-fire way to:

  • Get a genuine product
  • Save money (get discounts, take the company’s special offers, e.g. get one bottle free, avoid third party costs, etc.)
  • Stay covered by the money-back guarantee for 60 days in case you’re dissatisfied with your weight loss results
  • Make a secured purchase at the lowest price guaranteed by Norton Warranty

I ordered two bottles from their official website and received a third for free, giving me a three-month supply of the supplement. I saved almost $66, and the package arrived on time and in good condition.


Phen 375 Diet Pills

Overall Score 3.3

Phen375 Price

A bottle of Phen375 weight loss supplements has 30 tablets which is enough for a month's supply.
In its official website, you can choose to buy one bottle or several bottles to take advantage of bulk deals and discounts. Here are the prices per package, as of writing:
  • One bottle – $65.95
  • Two bottles (+1 bottle free) – $131.90
  • Four bottles (+1 bottle free) –  $187.96
These prices are exclusive of shipping and handling fees.

How to Take Phen375 Diet Pills?

You should take Phen375 weight loss supplements once daily with lots of water, about 20 minutes before breakfast.

One bottle has 30 tablets for a month's supply. It's best to take Phen375 with plenty of water in the morning to help suppress your appetite and control food cravings throughout the day.

The manufacturer also recommends a solid exercise routine and calorie intake reduction to around 500 calories per day to see better and faster results.

If you don't see any changes within 30 days, you can take advantage of their money-back guarantee policy.

However, you will only be eligible for a refund if you follow their instructions such as keeping a weight loss diary, following their recommended diet and exercise plan, and recording your final weight after 30 days.

Other Products:

Phen375 Reviews from Users

Holding a supplement pill

Take a look at the weight loss results some of the most motivated Phen375 diet pills users have achieved and shared in their online reviews.

Danielle and Steven testimonial review for Phen375

Aren’t these users’ “before” and “after” photos worth a thousand words?

Phen375 works well, it has no side effects, boosted my energy levels, and gave me a slimmer body and a lot more confidence.


- Eva Hill

However, the company behind this dietary supplement claims that these are not typical results every customer may expect to achieve.

Instead, they say that majority of Phen375 users could lose 5-10 pounds a month on average if they pair this weight loss pill with an energy-restricted diet and moderate exercise.

Direct Comparison Articles for Phen375:

Are There Better Alternatives To Phen375 Diet Pills For Rapid Weight Loss?

Leanbean, PhenQ, and Instant Knockout are some of the better alternatives to Phen375 diet pills for rapid weight decrease.

After a few days on Leanbean, users report an increase in energy levels. Additionally, they claimed to have lost weight in less than three months.

PhenQ diet pills, on the other hand, has a number of health benefits, including helping the body fight inflammation and assisting users in losing stored fat within two months.

Similar to Phen375 diet pills, Instant Knockout may improve your metabolic rate without compromising your general health.

I've tried all of these Phen375 diet pills alternatives, and PhenQ has been the most effective for me in terms of weight management and even blood glucose control.


Man reading on phone

Are Phen375 Diet Pills FDA-Approved?

Phen375 diet pills are not FDA-approved because the FDA doesn't regulate dietary supplements. However, the product is made in FDA-compliant facilities.

Is Phen375 Safe?

Yes, Phen375 weight loss supplement is safe if taken according to the instructions.

Does Phen375 Contain Phentermine?

No, Phen375 weight loss supplement does not contain Phentermine. Unlike Phentermine, you can purchase Phen375 without a doctor’s prescription.

Can You Buy Phen375 Diet Pills in Stores?

No, you cannot buy the Phen375 weight loss supplement in stores because it's only available on the manufacturer's official website. It's where you can surely get a genuine product at the lowest price and with a money-back guarantee.

Who Can Take Phen375 Diet Pills?

Men and women over 18 years old, vegans, and vegetarians who want fast and effective weight decrease results can take Phen375 diet pills.

Who Should Avoid Using Phen375?

Minors, pregnant and breastfeeding women, individuals with serious health issues, and those using medications or other weight loss supplements should avoid using Phen375 diet pills.

Do You Need to Diet With Phen375?

Yes, you need to diet with Phen375 weight loss supplements if your goal is to make the most out of it and adopt a healthy lifestyle to avoid the yo-yo effect in the future. However, remember that it's not a magic weight loss pill that burns calories while you're eating burgers.

Should You Buy Phen375?

Phen375 may be worth the investment for people looking to boost their metabolism, suppress their appetite, and lose weight with a less expensive all-natural supplement.

However, because Phen375 contains ingredients with insufficient scientific support, it may be preferable to opt for a supplement with ingredients that have been scientifically proven to burn fat effectively.

According to my research, PhenQ weight loss supplements contain scientifically proven ingredients to increase calorie burning, stimulate thermogenesis, and suppress hunger, which is consistent with my personal experience with the supplement.

So, if you're looking to lose some extra belly fat soon, visit this website to start including PhenQ in your healthy diet and exercise routine today.

We Recommend This Instead


PhenQ CTA supplement product
Overall Score 5.0
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  • Blocks body fat production to stop weight gain
  • Improves your mood and energy levels
  • High-quality, all-natural formula
  • Get the BEST PRICE until the end of September
  • Can be only purchased through the company website
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Ingredients, Side Effects & Results

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