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What’s In ECA Stack? Usage, Results, & Side Effects

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Here in this article, we are going to discuss the ECA stack. What is the ECA stack, and what’s inside this stack? People also use the supplements of ECA stack.

Also, they use it as a weight-loss supplement. Moreover, this has been used in many traditional Chinese medicines for many decades. So, look at the below and keep reading everything about the ECA stack.

What Is ECA Stack?

The ECA stack is originally a combination of three components such as ephedrine, caffeine, and aspirin tablets. It is commonly used as a fat-burning stack with unique compounds. When using them together, these ingredients can help to promote weight loss and boost athletic performance.

Ephedrine is the main component that is the active ingredient for weight loss. Caffeine augments its efficacy, and aspirin tablets are added to reduce blood clotting, which may cause side effects of ephedrine. Also, it can aid in the signal transduction of ephedrine through prostaglandin inhibition.

Proponents of the ECA stack recommend replacing the aspirin pills in the stack with fish oil or white willow bark. As because the aspirin pills may cause some side effects, and some compounds share the same anti-clotting mechanism.

Some studies show that the mixture of ephedrine and caffeine is superior for fat loss to taking them individually. Ephedrine components can increase the heart rate, and caffeine can increase blood pressure levels. So, the combination of both ingredients tends to have an additive rather than a synergistic toxicological profile.

ECA Stack

What’s In the ECA Stack?

Here are the ingredients of the ECA stack.


Ephedrine supplements are often advertising to help in weight loss. It has botanically derived from the Chinese botanical Ephedra. Also, it can help to improve your athletic performance. According to a national institute, it’s good for weight loss and provides many benefits.

Extract of this ephedrine stimulates the central nervous system through the release of norepinephrine. Norepinephrine is used to prepare your body for activities and some action. Ephedra also raises the heart rate levels and can be the cause of constriction of blood vessels and leads to high blood pressure.


Caffeine also works as a stimulant of both the CNS and the cardiovascular system. Commonly, these compounds are found in coffee, tea, and soft drinks. Consuming caffeine increases your feelings of alertness and effectively reduces fatigue. But if you consume it in large amounts, it can cause insomnia, increased heart rate, elevated blood pressure, tremors, and anxiety.


This ingredient works as a pain reliever. When you consume it as a part of the ECA stack, it can reduce the norepinephrine levels from decreasing. It can also help manage the stimulation effects that ephedrine and caffeine help to provide.

If you use aspirin for the long-term, even in small doses, it can cause an increased risk of bleeding in the gastrointestinal tract.

Does It Work?

A review of 20 trials founds that ephedrine may be effective for weight loss. But ephedrine is useful when you use it alone. And, the supplements that contain ephedrine and Ephedra are slightly more effective when mixed with caffeine.

Also, the ephedrine works potentially on the performance of athletes, but this evidence does not well-studied. Some studies show the modest short-term effect on the performance of athletes. Moreover, more researches are needed to determine the long-term effects of these ingredients.


Is It Safe to Use?

Reviews of some clinical trials on the usage of ephedrine didn’t found any adverse effect such as:

  • Deaths
  • Seizures
  • Heart attacks
  • Some serious psychological events like psychosis and severe depression

Therefore, using the ephedrine alone or mixed with caffeine may cause of:

  • Nausea
  • Vomiting
  • Anxiety
  • Change in mood
  • Hyperactivity
  • Heart palpitation


Before using the ECA stack make sure that you know the reason why you are taking this supplement. If you want more energy for the whole day on daily basis. So, this usage routine may cause of better changes:

  • Make your sleep routine and habits better
  • May increase your intakes of vegetables and fruits
  • Manage the deficiency of vitamin B and iron
  • Exercise during the first half day
  • Try an elimination diet

If you want to lose weight, first talk to your doctor to find a safe and better way to get the benefits from this supplement. ECA stack may help to lose weight in a quick way to lose few pounds and feel alert.

Also, the ECA stack can provide stimulation and fake energy. So, they can mask the real reasons for low energy. Healthy eating and regular exercise is the safe way to get success on weight loss process.

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