HighMark Nutrition Oxy Shred

Thermogenic fat burners represent some of the most popular weight loss supplements around today, with thousands available to choose from on Amazon or other large online retailers. Most fat burners work by using stimulants to artificially raise the metabolism, and encourage the body to work harder whilst resting or sleeping. Though popular and in-demand, this approach to weight loss is only somewhat effective, with benefits typically coming at the expense of serious side effects.

Below we take an in-depth look at HighMark Nutrition Oxy Shred, to see whether this inexpensive thermogenic fat burner can deliver the weight loss without the jitters.

HighMark Nutrition Oxy Shred Pros

  • One of the most reasonably-priced fat burners available to buy
  • Most customers report mild benefits from using the product
  • Manufacturers claim to offer an exceptional 365-day money-back guarantee

HighMark Nutrition Oxy Shred Cons

  • Important ingredient quantity information is missing
  • Existing quantity information suggests that important ingredients are under-dosed
  • Many customers report experiencing unpleasant side effects
Watchdog Rejected

HighMark Nutrition Oxy Shred


What You Need To Know About HighMark Nutrition Oxy Shred

HighMark Nutrition Oxy Shred is a thermogenic fat burner that is exclusively available to buy on Amazon. The formula uses a wide range of common ingredients such as caffeine, green tea, raspberry ketones, and Yohimbe, many of which appear to have been supplied in relatively small doses. Customers are directed to take one capsule per day, and each pack contains a somewhat generous serving of 60 capsules.

What Are The Side Effects Of HighMark Nutrition Oxy Shred?

Many customer reviews report side effects after using Oxy Shred, some of which appear to have been serious enough to force customers to discontinue using the product.

The most commonly reported side effect is nausea, which could be caused by the Yohimbe, l-Carnitine, or L-Tyrosine. Other potential side effects that could be caused by these ingredients include high blood pressure, vomiting, diarrhoea, joint pain, seizures, and more.

The high quantity of caffeine used by this product can also cause jitters, sleeplessness, frequent urination, irritation, and more.

How Much Does HighMark Nutrition Oxy Shred Cost?

HighMark Nutrition Oxy Shred has to rank as one of the cheapest products of its kind, as it retails for just $21.97 for a 2-month supply. This product is only available to buy on Amazon.

Our Verdict On HighMark Nutrition Oxy Shred

Thermogenic fat burners are a dime a dozen, but there aren’t too many out there that are so cost-effective to buy. At just $22 for 60 capsules, customers can pick up a 2-month supply of Oxy Shred for a very reasonable fee. The manufacturer claims to offer an extremely competitive year-long money-back guarantee, theoretically meaning that dissatisfied customers can get a refund on empty packs.

The main issue is that this product appears to be cheap for a reason. Despite a seemingly impressive list of effective ingredients, the label betrays the fact that virtually none of the most useful ingredients have been supplied in sufficient quantities. With such tiny doses, we wouldn’t expect the green tea, glucomannan, raspberry ketones, l-carnitine, or kola nut to offer any appreciable benefit. Instead, the formula appears to rely solely on caffeine and yohimbe for its fat-burning effect.

This may make the formula somewhat effective, perhaps able to deliver a pound or two of weight loss. However, these benefits are likely to come at the expense of side effects like nausea or jitters, and customers could well have enjoyed the same benefits by simply upping their intake of coffee.

Overall, this is far from the worst product we’ve seen, and its low price and fair returns policy means that customers risk little by giving it a try. However, we still think that it is essentially little more than a caffeine pill with filler ingredients, so it’s hardly one for the recommended list.

We do not recommend HighMark Nutrition Oxy Shred to our readers.

HighMark Nutrition Oxy Shred Review

HighMark Nutrition Oxy Shred is a weight loss product that claims to burn fat and suppress appetite. It comes in the form of daily capsules that are designed to be taken in the morning. Due to the risks posed by some of the ingredients found in the formula, the manufacturer also recommends cycling off the product after 8 weeks of continuous use (a break of at least 2 weeks is suggested).

HighMark Nutrition Oxy Shred Facts

  • Manufactured by HighMark Nutrition
  • Contains 60 capsules per pack
  • Thermogenic fat burner and appetite suppressant

This product is sold on Amazon by HighMark Nutrition, a small supplement manufacturer based in Indiana, USA. With no official website and enjoying virtually no press coverage, it’s relatively hard to gather information about HighMark Nutrition. It seems apparent that the company is a tiny operation run by a single person or a handful of people – the company even outsources its label designs and branding approach to freelance designers. The company can be contacted by email ([email protected]) or snail mail (9605 Industrial Drive, Saint John, IN 46373).

How to Take HighMark Nutrition Oxy Shred

The directions for use are as follows:

  • As a dietary supplement take one (1) capsule in the morning. Do not exceed two (2) capsules in a 24-hour period. Do not take past 4PM. Use for no longer than 8 weeks straight followed by an off period of at least 2 weeks before resuming use.

HighMark Nutrition Oxy Shred Concerns:

  • Main ingredient has been shown to be generally ineffective
  • Manufacturer is known for using misleading advertising and dangerous ingredients

What Does HighMark Nutrition Oxy Shred Claim To Do?

Oxy Shred is marketed as a weight loss supplement that can help to “burn stubborn belly and stomach fat” and assist customers in their quest to achieve a perfect beach body. The fat burning action is said to take place even whilst resting or asleep, by raising the body’s metabolism and energy levels. Along with burning fat, this product is also described as an appetite suppressant that can minimise cravings, as well as a way of “fortifying the body’s immune system”.

The stimulant effect provided by Oxy Shred is also said to act as a useful energy booster, which can allow fitness enthusiasts and athletes to achieve more impressive results in the gym and increase personal confidence.

Does HighMark Nutrition Oxy Shred Work?

Many of the most effective ingredients used in this product (such as green tea and glucomannan) have been provided in such small doses that they have been rendered totally ineffective. Many of the other effective ingredients (such as L-Tyrosine or PEA) are little more than mood boosters that cannot contribute to weight loss.

The many positive reviews written about Oxy Shred on Amazon suggest this product really does deliver mild weight loss benefits for many, and we imagine this is largely down to its use of caffeine, which can have a decent thermogenic effect when consumed in large doses. The effective quantity of Yohimbe may also explain some of the positive results (as well as many of the reported side effects). Most of the other ingredients are simple filler.

What Are The Ingredients of HighMark Nutrition Oxy Shred?

The ingredients found in HighMark Nutrition Oxy Shred are listed below. Unfortunately, the manufacturers fail to list the relevant ingredient quantities, which can make it hard/impossible for reviewers and customers to estimate how effective the overall mix is. The quantities that are listed are correct for 1 capsule of Oxy Shred.

Energy and Focus Blend 450mg

  • Caffeine: Numerous studies have shown that caffeine boosts energy levels and alertness, as well as mildly boosting the metabolism, causing a small increase in the number of calories used by the body. The effects shown in studies are small, and some studies are inconclusive. Caffeine is also known to boost athletic performance. Source
  • Phenylethylamine HCl: More commonly known as PEA, this ingredient is derived from the amino acid phenylalanine. It is thought to increase alertness, aid in concentration and focus, and may also enhance mood, which are all arguably traits that dieters need help with in succeeding with their weight loss attempts. Source
  • Glucomannan Fursultiamine: Glucomannan is a type of fibre which studies have shown can aid weight loss in numerous ways; it absorbs water in the stomach (as much as fifty times its weight), swells and becomes gel-like in consistency. It suppresses the consumer’s appetite by filling the stomach, and slowing down digestion, especially the emptying of the stomach, which means that it will take longer to become hungry again after eating. The Glucomannan-water gel also absorbs some fat and cholesterol, effectively reducing the available energy content of the meal it is taken with. In order to provide sufficient appetite suppression to aid weight loss, glucomannan needs to be taken in a dose of at least 3 grams per day, meaning that the dosage included in this product is far too low to be effective. Source
  • L-Tyrosine: An amino acid that is a building block of protein, this ingredient is found naturally in many foods including meat and dairy products. In existing trials, L-Tyrosine appears to effectively improve cognition and memory during stressful periods. Source

Thermogenesis Blend 40mg

  • Green Tea Extract (min. 50% EGCG, min. 98% Polyphenols) (leaf): Green tea is high in a group of antioxidants called catechins. Studies have suggested that catechins and caffeine both increase energy expenditure by boosting the metabolism temporarily. However, the metabolic increase caused by green tea is limited. One study found that the use of green tea was not enough to counteract weight gain following a high calorie diet. The quantity of green tea used in this product is too low to be truly effective. Source
  • Raspberry Ketones: Although it can be extracted from raspberries, as the name suggests, the majority of raspberry ketones used in supplements is lab-synthesised, as this is a more cost-effective option. Whilst there is a small amount of evidence that raspberry ketone can cause weight loss in rats, there have never been any human trials on the potential weight loss effects of raspberry ketone. Source
  • Yohimbe bark: Some studies have noticed increased blood concentrations of free fatty acids in participants who use yohimbine extract, suggesting increased rates of lipolysis. However, the Natural Medicines Comprehensive Database has stated that there is insufficient evidence to claim it aids in weight loss. Source

Lipogenic Blend 7mg

  • Kola Nut: Kola nut has been studied in relation to weight loss, but in conjunction with ephedra, a substance that is now banned in the U.S due to severe side effects. As a source of caffeine, Kola Nut may boost the metabolism mildly. In animal studies, regular use of kola nut over a month resulted in a decrease in both appetite and body weight. Source
  • L-Carnitine: There is some evidence that supplementation of acetyl-l-carnitine can reduce body fat, although the strongest results were seen in the elderly. The ingredient also boosts energy levels, and is used to treat fatigue. Source

Does HighMark Nutrition Oxy Shred Have Any Side Effects?

There are numerous ingredients found in HighMark Nutrition Oxy Shred that could potentially cause a range of side effects.

Consuming large quantities of caffeine can lead to headaches, increased heart rate, increased blood pressure, heart palpitations, increased urination, dehydration, jitteriness, dizziness, and insomnia. Green Tea can also cause constipation.

Yohimbe can also cause a wide range of side effects, including stomach upset, excitation, tremor, sleep problems, anxiety or agitation, high blood pressure, a racing heartbeat, dizziness, drooling, sinus pain, irritability, headache, frequent urination, bloating, rash, nausea, and vomiting. High doses can cause more severe effects.

L-Carnitine can cause side effects such as nausea, vomiting, stomach upset, heartburn, diarrhoea, and seizures. It can also cause the urine, breath, and sweat to have a “fishy” odour. Although Tyrosine is tolerated generally in very high doses, it can cause some side effects including nausea, headache, fatigue, heartburn, and joint pain.

Raspberry ketone is an under-researched product, especially in the quantities found in supplements. Whilst it is considered safe for use in food in small doses, the higher doses used in supplements could cause jitteriness and other symptoms. Some users of raspberry ketone have reported feeling ‘weak’, restlessness, insomnia, chest pains, headaches, and nausea. Some people have also had allergic reactions to raspberry ketone based supplements, with symptoms including itching, rashes, trouble breathing, and a racing heart-rate.


Not intended for use by persons under 18 years of age. Consult a physician before using this product if you have any medical condition including, but not limited to, strokes, high blood pressure, heart, liver, kidney or thyroid disease, diabetes, anemia, depression, anxiety, other psychiatric conditions, a family history of these or other medical conditions, or if taking any prescription, OTC and/or other herbal medications.

Are There Any Customer Reviews For HighMark Nutrition Oxy Shred?

HighMark Nutrition Oxy Shred has received generally positive reviews on its Amazon page (although the vast majority of the older reviews have been faked according to FakeSpot). Most customers report positive experiences whilst using the product, although we can’t help noticing that most of these report only very modest weight loss results. Negative comments generally focus on Oxy Shred’s habit of causing unpleasant side effects.

I was struggling with energy in the afternoons and my workouts weren’t that productive so I was really needing an energy boost. I’ve been using this now for about 3 weeks and my energy and workouts have improved immensely. I have also lost 5 lbs in the last 3 weeks as well which I’m sure is helping with my energy as well. So far very happy with this product

My results have been absolutely amazing so far and would highly recommend this product! Looking forward to my next bottle!

I have been stuck at the same weight for what seems like forever. I have been taking Oxy Shred consistently for 2 weeks now. I am excited that my appetite is not as hearty as it used to be and my energy levels have increased. I also think this supplement has jumpstarted my metabolism as I have already lost 1 1/2 pounds. I will continue to take this as directed and am looking forward to great results.

I was jittery and yet lethargic, had extreme nausea, cramps, hot flashes, dizziness, and just felt downright awful for at least 3 hours after taking one pill. Of course, I did not want to eat, so it did suppress my appetite. It just came at the cost of not being able to operate like a functional human being. So I have finally learned my lesson and will not take another one. It might work for those with very strong systems, but people with sensitive stomachs should stay away from it.

It works in that I definitely don’t want to eat after I’ve taken them because I am – extremely – nauseous roughly 30 minutes – hour after taking them until the following morning. I’m still trying to figure out if there’s a way to take them on a full stomach to avoid the nausea, but thus far I’ve been unsuccessful. Not nauseous to the point of actual vomiting, but I have experienced significant nausea and stomach discomfort. Thankfully I work from home, I couldn’t imagine taking them in the morning then needing to be at an office/out of the house all day. They make me feel like I’m getting over the flu.

Does HighMark Nutrition Oxy Shred Offer a Money-Back Guarantee?

On the official Amazon page, the seller makes brief reference to what sounds like an excellent money-back guarantee. The below statement is literally the entire policy in full, but it appears to be legitimate as several customers claim to have taken advantage of it:

SHRED FAT OR GET YOUR MONEY BACK: Your 100% satisfaction is our top priority. That is why our weight and fat loss supplement is backed by our unconditional 365 day money back guarantee policy! Sculpt your body, burn fat and lose weight or get your money back!

Where Can I Buy HighMark Nutrition Oxy Shred?

HighMark Nutrition Oxy Shred can only be purchased on Amazon. The price is incredibly reasonable – a two-month supply containing 60 capsules costs just $21.97.

Summary: HighMark Nutrition Oxy Shred

HighMark Nutrition Oxy Shred

2.7 out of 5
HighMark Nutrition Oxy Shred Rating

The Muscle Watchdog does not recommend HighMark Nutrition Oxy Shred.

  • Effectiveness
  • Safety
  • Price / Guarantee

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Disclaimer: Our reviews and investigations are based on extensive research from the information publicly available to us and consumers at the time of first publishing the post. Information is based on our personal opinion and whilst we endeavour to ensure information is up-to-date, manufacturers do from time to time change their products and future research may disagree with our findings. If you feel any of the information is inaccurate, please contact us and we will review the information provided.

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