The ECA Stack is well known for its fantastic fat-burning effects.

If you have not heard about ECA, it’s a combination of Ephedrine, Caffeine and Aspirin.

The blend of these compounds is said to make a synergetic effect which drastically speeds up fat loss.

Besides that, it is also quite capable of increasing endurance and performance. It is undoubtedly one of the stronger stimulants out there.

But how successful is the ECA Stack when it comes to losing weight?

And what about the side effects?

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ECA Stack is by far one of the more advanced fat burning stacks on the market.

The combination of Ephedrine, Caffeine, and Aspirin (ECA) functions by directly targeting the fat cells.

Ephedrine is known for increasing your metabolic rate. By doing so, it’ll help with burning more calories. When you burn more calories, then you will drop weight faster.

Basically, it is a powerful fat burning that has been proven to work.

Apart from stimulating metabolism, it is also great for curbing appetite. That is what most people like about Ephedrine because the majority of us struggle with cravings for meals when trying to eliminate weight.

It is also said that ephedrine has the ability to help maintain muscle mass although this hasn’t been clinically proven.

Caffeine is a basic ingredient in pretty much every fat burner, including the ECA stack. It works by boosting metabolism and energy.

It is a stimulant that will help you increase workload. By increasing the strength of your workouts it in return will burn off more calories which will help accelerate progress.

Last but not least we’ve Aspirin. Most of us know aspirin and it is mainly useful for relieving pain. What is Aspirin’s function in this stack?

Well, it’s thought to prolong the effects of Ephedrine. However, due to the unwanted side effects related to the use of Aspirin most don’t add it.

An ECA Stack will just work if you’re in a caloric deficit. It is no magic formula that can make the fat disappear.

Make sure you prioritize a proper diet plan and work out a plan before even considering this stack.

ECA Stack also will come with serious side effects when not being used correctly.

There’s also a lot of states where Ephedrine isn’t available over the counter.

However, at the conclusion of this article, I’ll be telling you all about successful alternatives to the ECA Stack.

I highly recommend checking out these alternatives rather than the ECA stack.

They’re almost equally as powerful but don’t have some nasty side effects.


Before we continue, don’t use the ECA stack if you have any kind of heart or other medical condition.

All these are powerful stimulants that should be managed very carefully.

It’s also wise to stay away from those compounds if you are sensitive to stimulants.

A Normal ECA Stack will look like this:

Ephedrine                                                       Caffeine                                                        Aspirin
25mg 1 — 3 times per day                            200mg 1 — 3 times per day                      81mg 1 -3 times per day

The aspirin is optional, most men and women leave it all out.

If you don’t have any experience with stimulants such as Ephedrine or Caffeine you don’t want to be taking a lot of.

Start out with taking the dose once per day. When you are feeling comfortable enough you can slowly build up the dosage.

As for me, I found the sweet spot to be approximately 50mg of ephedrine along with 400mg of caffeine. Anything more than that had me feeling awful.


The ECA Stack definitely comes with side effects.

You should be very careful when running it. The most common side effects are:

  • Headaches
  • Nausea
  • Increased Blood Pressure
  • Dizziness
  • Anxiety
  • Appetite Suppression
  • Insomnia

I highly suggest monitoring your blood pressure when running it.

As you can see this material is no joke. If you are not ready for ECA stack, I’ve some choices which work really well for burning off fat.


I have used this stack once. Last year I used it to help return to single-digit body fat.

I had been at about 11-12% and figured the ECA stack could help me to 8-9%.

It’s okay but I think that it isn’t worth the danger. Your blood pressure can drastically increase when you take too much that is very risky.

Additionally, it is worth mentioning that I experienced a lot of stress and insomnia when using it. It’s quite similar to DMHA stimulant effects.

My daily dose was approximately 50mg of Ephedrine and 600mg of Caffeine.

It is very capable of curbing appetite. I didn’t find the fat burning effects to be tremendously strong.

In all honesty, I think there are better choices for this stack. They won’t cause you to experience any unwanted effects whilst being successful when it comes to burning fat.

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I have used PhenQ and found it to be one of the best fat burners. It’s a safe and legal option for the ECA stack.

It is very powerful when it comes to burning fat. But for me, it is great at curbing appetite.