Health Guide Review:


PhenRx Review: Does it work?

Intro: What is it?

PhenRx is a weight loss pill promising quick and easy results with its thermogenic formula. The company also adds that this brand is prescription free, and that that it’s the best over the counter weight loss supplement.

It’s made to look like a prescription drug, with Rx in its name and there’s mention of it being pharmaceutical grade. It claims to be able to help increase metabolism, curb hunger, burn fat, and help improve the health of the thyroid. It’s also said to be clinically proven. Is this stimulant formula safe to use? What can you expect in terms of results? This PhenRx will provide you with everything you need to know to make an informed decision.

PhenRx Ingredients

1,3,7 Trimethylxanthine Beta-Phenylethylamine Synephrine HCL N, N- dimethyl-4-hydroxyphenythylamine Schizandrol A
5-Hydroxytryptophan Yohimbine HCL Magnesium Stearate Silicon Dioxide

 1,3,7 Trymethylxanthine: The chemical name for caffeine. This stimulant is used to increase metabolism and provide energy. There’s no notice of how much caffeine is added. This is potentially dangerous, as you have no way to determine how much of this would be safe to take.

Possible side effects can include:

  • High blood pressure, rapid heart rate, and cardiovascular damage.
  • Restlessness, insomnia, and fatigue.
  • Feelings of anxiety.
  • Jitters, muscle spasms, and shakes.
  • Headaches.

It’s incredibly dangerous to blindly take unknown quantities of caffeine. Since people processes caffeine differently, it’s important to know exactly how much you’re taking in.

Another major issue with caffeine is that it’s not a long-term solution for weight loss. Much of its positive effects are lost when you take it repeatedly. This reduces much of its benefits to just sleep loss, which for some would be a negative.

Beta-Phenylethylamine: A chemical with stimulant effects. It’s also used to increase the happy hormones serotonin and dopamine. Unfortunately, it’s not well processed by the body. adds to this by saying how it’s:

“rapidly being broken down into inactive compounds:”

It can also produce side effects due to its amphetamine like nature:

  • Increased heart rate.
  • Anxiety.
  • Agitation and stress.

Synephrine HCL: Also known as bitter orange, this stimulant is often substituted from the now banned ephedra.  This ingredient is controversial due to its potential side effects, especially when it’s mixed alongside caffeine. Web MD ads how this ingredient:

“POSSIBLY UNSAFE when taken as a supplement for a medical purpose such as weight loss”

It can also lead to he following:

  • Fainting
  • Heart attack, stroke, and cardiovascular damage.
  • Migraine headaches.
  • High blood pressure.

PhenRx does not list the full amount of synephrine and caffeine, which can be potentially fatal. There have been case studies of people experiencing complete organ failure from this potentially dangerous mixture.

N, N-dimethyl-4-hydroxyphenylethylamine: The chemical name for hordenine, a stimulant often used by bodybuilders.  It’s claimed to be a good fat burner, though studies into this area have been mixed. It can lead to potential side effects including:

  • Heavy sweating.
  • Difficulty passing bowel movements.
  • Increased blood pressure.

Schizondral A: Extract from a Chinese herb that’s used to improve mental focus while reducing stress. It’s not well researched and according to there’s:

“limited Western evidence”

The lack of safety information makes it impossible to truly judge this supplement. There have been some old studies into this ingredient, but this information is lost.

It’s not yet known what kind of an effect this ingredient may have.

5-Hydroxytryptophan: The chemical that leads to the creation of serotonin, the neurotransmitter that affects mood and appetite.  Getting a correct balance of this ingredient is important to prevent potential side effects. Unfortunately, this can only be prescribed by a specific dose depending on one’s needs. Side effects can include:

  • Depression
  • Mood swings.
  • Nausea
  • Diarrhea and vomiting.
  • Muscle issues.
  • Drowsiness.

It’s important to be careful about this ingredient as it can create deep feelings of depression. It’s not considered a safe ingredient to take blindly.

Yohimbine HCL:  A fat burning compound taken from a tree bark. Though it might reduce fat, it’s known to potentially cause extreme anxiety. It’s also advised to not take it with food, as food reduces fat burning.  Common symptoms include:

  • Nausea and vomiting.
  • Severe allergic reactions leading to swelling and hives.
  • Headaches.
  • Restlessness.
  • Panic, cold sweats, and mood swings.
  • Difficulty breathing.
  • Nervousness.

When mixed with the other ingredients in this formula, the potential risk for dangerous side effects can be extremely high.

PhenRx Quality Of Ingredients

This formula is heavy on stimulants; there are 5 out of 7 ingredients that are potentially heavy stimulants.

This combination is potentially dangerous. There’s also no listing of the official strength of each ingredient individually, so it’s impossible to judge whether or not it passes the advised daily limit.

The problem with not showing the full strength is that some are more sensitive to stimulants than others. Without being able to see what this brand is made out of, it’s impossible to make an educated decision on whether or not it’s safe.

The risk for potential side effects is too high to take this brand without extreme caution.

The Price and Quality of PhenRx

A month long supply sells direct from the manufacturer for $39.99.  This averages to a daily cost of $1.33.

Without being able to see how much of each ingredient is added, it’s unknown if this brand would be safe to use.

This product is only available through the manufacturers. The effects of stimulants can produce short-term weight loss effects, but it’s very important to figure out how well one responds to this dosage.

Taking unknown quantities of stimulants is not only potentially dangerous, but it can be fatal.

Business of PhenRx

Nexgen Biolabs Inc. makes this brand and they can be found below:

Phone Number: (888) 357-4443

Address: 3825 Henderson Blvd STE 500

Tampa, Florida 33629

The company does not list their contact information on their own website, you have to research them to find out about where they come from. Also, information on how they operate is limited.

They claim to offer a 30-day money back guarantee for individual purchases without covering shipping and handling.

There are a few complains on their Better Business Bureau website:

“I can never get a live person on the phone”

“You always get a voicemail”

“haven’t received items”

“these dishonest companies scamming people out of money”

Many customers have had issues trying to contact the company. There are numerous complaints as well about the lack of money back return.

The company did respond to some of these complaints, but they will place the blame on the customer instead of trying to find a solution.

Often the reviews that customers leave will be responded to, but the company will always end with blaming the customer.

Customer Opinions of PhenRx

Not many reviews are available about PhenRx; however, here are the few available reviews:

“felt so jittery and anxious”

“I could barely function”

“made me absolutely sick”

“This was not for me”

Though there were only a handful of reviews, many experienced hard symptoms that made it impossible to finish the entire bottle. For many of these customers contacting the company is impossible, as they are notorious for not returning their calls. This makes the money back return questionable, as the company can claim that the 30 days for a return have passed due to customers not being able to reach them in time.

Many have sent countless emails and voicemails without being able to handle their cases.


In reviewing PhenRx, many interesting things were revealed about this supplements use:

  • The company is criticized often: Many users of this product have openly left negative reviews about the company. People mention how they didn’t receive their supplements, yet the company continues to charge them for expenses. There are also reviews from those who tried to schedule a return, but they weren’t able to. The company will respond to these request on the Better Business Bureau website by criticizing the people and claiming they’ve already scheduled a refund. However, it seems unlikely that several customers all had the exact same issues.

The common complaint is that the company did nothing to help customers with their issues. The company responds by saying how they already fulfilled their end, and that all issues lie strictly with the customers. They also complain about being harassed by customers, which his strange as many mention how they called and sent emails without being helped.

  • There’s an unknown amount of stimulants: Nowhere on the official website is there any mention as to how much caffeine or bitter orange are added in individual amounts. There’s a proprietary blend that hides the full serving size. This makes it impossible to determine whether or not this brand is safe for use. The company advises for 2 pills a day, but it’s important to determine what the levels of stimulants are. Some stimulants can cause devastating side effects if they’re not carefully taken.

In fact, it can be potentially fatal when you mix all these stimulants together. There have been cases of liver damage and heart attacks from people who mixed caffeine and bitter orange. Both of these ingredients are added with even more stimulants such as hordenine. It’s unknown what kind of an effect this stimulant heavy cocktail might have.

Another issue is that stimulants long term can further increase the risk for symptoms, as well as a lack of weight loss.

  • Most reviews are extremely negative: Users of this brand have experienced heavy side effects. People report headaches, flu like symptoms, anxiety, rapid heart rate, restlessness, and insomnia as side effects. There have also been claims that the company does not allow for money back return. So it’s possible for people to experience symptoms without being allowed a refund. This goes against the company’s policy of money back return within 30 days.

The kinds of symptoms people have listed are common when you use heavy stimulants. It’s no wonder when you realize that they fail to list the exact amounts of each ingredient.

  • The company is notorious for arguing with customers: You can read these back and forth debates on their Better Business Bureau website. Typically, customers will complaint about a lack of service or refund. The company will respond by claiming that they did in fact schedule money back return. This then leads to the customer claiming that they didn’t actually get a return. Finally, the company will say that they have nothing more to say or add, since they fulfilled their duties. This lack of proper customer service makes it impossible to full trust the company.

It seems highly unlikely that this many customers have had bad experiences. In all the supplements reviewed, this is one of the very few companies that will often call their own customers out for not speaking the truth. This may be the case in some situations, but there’s multiple arguments listed online.

  • Weight loss is not sustainable: One issue with stimulants is that they’re not safe for long-term use, and they’re not known to provide consistent weight loss benefits. This is because the body will often adjust, making it harder to get the same results with similar dosages. This effect is noted in caffeine, which loses much of its benefits after habitual use.

Another issue is the rate of potential side effects. If you’re forced to have to keep adding heavier stimulants for a weight loss effect, this will greatly increase the risk for side effects.

There are major problems with this supplement. The potential high risk for side effects, major customer complaints, concerns about the money back return, and lack of information safety is just some of the issues.

You can read multiple complaints from customers online about a lack of effects, other than unwanted side effects.  Much better options are available that are free from heavy stimulants.

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