Stacker 2 Review: The Strongest Fat Burner?

By: Jenny Lynn | Date: February 26, 2021
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Stacker 2 Review

Being fit and maintaining our health is the trendiest thing in our society today. Many supplements cater to our body's needs, and one of them is a fat burner specifically designed to help us lose weight. Are you wondering, out of all the fat burner supplements out in the market, what is the strongest? I have a fat burner under my sleeve that claims to be one. Let me introduce to you my Stacker 2 review.

This review will determine if its claims are valid and how it works to be the most potent fat burner. Also, we will find out the ingredients that make up its formula and its benefits and side effects.

By the end of the Stacker 2 review, you will eventually know if the fat burner is effective and worth every penny.

What Is Stacker 2?

NVE Pharmaceuticals Stacker 2 Herbal Dietary Supplement
$9.36 ($0.47 / Count)

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03/11/2024 10:24 am GMT

Stacker 2 is a fat burner supplement that claims to be the “strongest fat burner” because it can boost energy levels and raise metabolic levels. The supplement is made by one of the world’s top pharmaceutical companies called NVE Pharmaceuticals.

NVE Pharmaceuticals has been known to produce quality supplements for more than two decades. The company is famous because they are endorsed by celebrities and are known to have good quality products.

Stacker 2 formula contains different natural ingredients that will help you lose weight. It has a principle when it comes to burning called ECA Stack, a combination of ephedrine, caffeine, and aspirin tablets that can promote weight loss.

Why Use Stacker 2?

Stacker 2 can help you lose weight quickly because it can curb cravings and burn fat. It follows the principle ECA Stack principle, which makes it more effective.

Since its development, the product has been updated over time because the previous formula has harmful substances. The company makes sure that formulas are updated to make sure that the product is safe.

The new formula of Stacker 2 has herbal ingredients, and they are affordable. It includes yerba mate, green tea, caffeine, and so much more. Also, they are convenient to use because of their on-the-go blister pack, so you won’t have any reason not to get started with the supplements.

How Does Stacker 2 Work?


Stacker 2 has a formula with ingredients that helps and is proven to help with weight loss. The supplement's features are to help suppress your appetite, increase metabolic rate, and give you the stamina to help you train and work harder.

The results of the combination of the ingredients will help you burn fat and lose weight fast.

However, some of them need more studies to prove that it helps the body to burn fat. For the product to work efficiently, it should be combined with proper weight loss management like eating healthy and exercising regularly.

Ingredients Of Stacker 2


Stacker 2’s formula has six main active ingredients that help in weight loss.

Caffeine Anhydrous

 The formula has 200mg of Caffeine Anhydrous. It is a potent stimulant that can improve your mental alertness that will enhance your performance during workouts. Also, it will give you an energy boost and can help reduce hunger and even fatigue. The stimulant is also responsible for thermogenesis which is the process that stimulates weight loss.

Since Caffeine Anhydrous is a potent caffeine, too much of it can be hazardous to your health.

Yerba Mate

Yerba Mate is a stimulant that can help improve one’s mood and can help with tiredness. The ingredient is also rich in antioxidants and vitamins, and minerals. When used with exercise, it can help boost your metabolism and burn calories.

Green Tea Leaves

Green tea is a popular ingredient for weight loss; that is why it's been in many supplements. The ingredients also have antioxidants that are healthy for the body. It also has caffeine that will help in alertness and can help in thermogenesis.


Guggulsterone came from a tree called Commiphora muku and has an active ingredient called gugulipid. It is traditional medicine and is used to treat illnesses like arthritis, hyperlipidemia, and obesity. More studies are needed to prove that it is an effective weight loss ingredient.

Cassia Mimosoides Extract

Cassia Mimosoides Extract can help in weight loss because it can prevent fat absorption in the intestines. However, there is not much evidence to support that it is safe and effective.

White Willow Bark

White willow bark has the same effects as Aspirin because it has analgesic effects and even antioxidants. However, it is considered a blood thinner and can damage your organs. More studies should be conducted to prove its benefits.

Benefits Of Stacker 2

Dietary supplements like Stacker 2 have many benefits that can benefit your body once you start using it. It will be a great help with your weight loss management for many reasons. Here are the benefits of Stacker 2.

  • It can improve your body’s metabolism
  • It can help your muscles to recover faster
  • It can help prevent deficiencies
  • It can enhance your body’s performance

Side Effects Of Stacker 2

Stacker 2 may have many benefits, but it also has side effects that you should be aware of. Most of the side effects are the results of the stimulants that the formula has. It has many stimulants from the ingredients, and if you are sensitive to it, you shouldn’t take the supplements.

Here are the common side effects reported from taking Stacker 2.

  • Jitteriness
  • Anxiety
  • Irritability and mood swings
  • Headaches
  • Rapid heartbeat
  • Increase blood pressure

Pros And Cons

As you can see, the product isn’t perfect, so we listed down the supplement's pros and cons. Here are the pros and cons of Stacker 2.


  • The supplement is from a reputable brand
  • The newly updated formula is ephedra-free
  • It can increase the body’s energy
  • It can help control your appetite
  • It is affordable


  • Some ingredients in the formula need more studies to verify their claims
  • The formula comes with a proprietary blend with non-transparent ingredients
  • It has a high caffeine content
  • Many side effects can be experienced
  • It has some artificial ingredients

How To Take Stacker 2

Stacker 2 is easy and convenient to take. You need to take one capsule three times a day after every meal. Beware of taking more than the prescribed dosage as it can be harmful to your body.

In taking supplements like Stacker 2. You need to ask your doctor’s advice, especially if you have underlying medical conditions. It is also not advised to take the product when you are breastfeeding or pregnant. Also, it is not advisable that people under the age of 18 could take it.

How Much Is The Stacker 2?

Stacker 2 costs $29.99 for a bottle that has 100 capsules. You can easily purchase the supplement directly from the company’s website.

Currently, they lowered the price of Stacker 2 and now costs $19.95. They also offer auto-ship prices where you can get the supplements automatically.

Final Thoughts


We are now at the end of my Stacker 2 review. The fat burner supplement is a good product because it is made by a reputable company known for its health and wellness products. Celebrities also endorse it, and already has a cult following—no wonder why it's been a popular product.

Stacker 2 has a lot of good things about it that make it an effective fat burner. It can help you build more energy to help you with your workouts and boost your metabolism. They also upgraded the formula to be more safe and effective.

However, I don’t like the Stacker 2 fat burner because of its high stimulant content. The amount could be problematic, especially if the user is sensitive to stimulants. Some people may also experience side effects, especially those who are not used to high caffeine content. Its unknown proprietary blend is quite alarming because they are not transparent about what is in it.

I cannot 100% recommend Stacker 2 because of the side effects and stimulants' high content. It is affordable, but it is not for everyone.

I hope you learned a lot of information here in my Stacker 2 review, and it would help you decide if this is the right product for you to take to help you with your weight loss journey.