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6 Best EAA Supplements [Tested & Updated 2024]

by Nader Qudimat
Updated December 21, 2023

If you want to build muscle...

You'd think protein is the way to go.

After all, protein powders is the most popular category.

Honestly, protein supplements are likely all you need.

They contain the right amount of amino acids to create the perfect environment for muscle growth. 

But there's a huge disadvantage to protein powders.

MOST COMPLETE
BCAA by Huge Nutrition

With 14.675 grams of EAAs, BCAA by Huge Supplements is one of the best intra formulas.

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RECOMMENDED
CoreSeries Intra Workout by Transparent Labs

Intra by Transparent Labs contains a nice balance of amino acids, including EAAs, and 150mg ElevATP.

Highlights:
  • Increases energy with elevATP
  • Optimizes hydration
  • Reduces soreness
Ingredients: 6.7g EAAs, 2g Citrulline Malate, 2g Taurine, 1.25g Betaine Anhydrous, 1g Tyrosine, 1g Coconut Water, 150mg ElevATP, 25mg Astragin
Discount code: FITFREK
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They can't be consumed during workouts.

And protein powders aren't one size fits all.

Digestion issues, types of protein, fillers and flavoring... 

It's a cocktail of many ingredients that can cause issues, especially digestion.

This is where essential amino acid supplements come in.

But with many essential amino acid supplements vying for your attention, which do you choose?

To help you choose the best, we created a list of the 6 best Essential Amino Acid supplements in the market.

Let's dig into the list...

Best Essential Amino Acid Supplements based on:

Best EAA Supplements

HIGH QUALITY

Intra-Workout by Transparent Labs

$39.99
on transparentlabs.com
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Discount CodeFITFREK
6.7g EAAs, 2g citrulline malate, 2g taurine, 1.25g betaine anhydrous, 1g tyrosine, 1g coconut water, 150mg elevATP, 25mg Astragin

Ever felt like you're running on empty halfway through your workout?

You're not alone. Enter Transparent Labs' CoreSeries Intra Workout.

This supplement is designed to keep you fueled and focused, even during the most grueling sessions.

What sets it apart?

It's all about the ingredients.

This intra-workout is packed with essential amino acids (EAAs), including BCAAs, which are crucial for muscle recovery and growth.

It also contains electrolytes for hydration and a dose of carbs to keep your energy levels steady.

But it's not all sunshine and rainbows.

Some have mentioned the taste isn't their cup of tea but it is naturally sweetened.

And if you're on a low-carb diet, the carb content might be a deal-breaker.

But remember, the best supplement is the one that fits your needs and lifestyle.

If you're looking for a boost during your workouts and don't mind the taste or the price, this could be a solid choice.

Ready to give it a try?

Use discount code FITFREK at checkout to save a few bucks. 

Reduces fatigue and increases performance
High quality formula
Vegan instantized BCAA's
None
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LOADED WITH AMINO ACIDS

BCAA by Huge Nutrition

$39.99
on hugesupplements.com
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Discount CodeFITFREK
80mg Calcium, 40mg Potassium, 80mg Sodium, 8g BCAA's, 5g Glutamine, 750mg Coconut Water, 500mg L-Lysine, 500mg Threonine, 200mg Tryptohan, 175mg L-Phenylalnine, 150mg Histidine, 150mg Methionine

When you just want a formula that’s high in amino acids, you can’t go wrong with BCAA by Huge Supplements. 

The grand total amino acids content rounds up to a whopping 14.675 grams per serving, one of the largest single-serving amino acids in the market.

Almost half of those come directly from its BCAA content, while ⅓ of the entire blend comes from Glutamine, one of the most critical amino acids for muscle building and glucose production.

  • 14.675 grams per serving, big servings of EAA
  • BCAA included
  • Includes glutamine, helps muscle building and glucose production.

Being a purely EAA supplement that doesn’t have stimulants, BCAA by Huge Supplements is ideal for those who want to have a good base for their pre workout or protein stacks.

Improves recovery and reduces fatigue
Loaded with amino acids
Uses coconut water
None
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COMPLETE

Enigma by Apollon Nutrition

$46.50
on nutricartel.com
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Discount CodeFITFREK
5g L-Leucine, 2.5g Isoleucine, 2.5g Valine, 2g Lysine HCL, 2g Threonine, 150mg Histine, 150mg Phenylalanine, 150mg Methionine, 100mg Tyrtophan, 5g Glutamine, 2g Betaine Anhydrous, 2g Taurine, 1g Coconut Water, 180mg Potassium Phosphate, 157mg Sodium, 140mg Magniesum

One of our criteria for choosing the best EAA supplements is the flexibility they offer.

Not only does Enigma by Apollon Nutrition contains high EAA content (mostly BCAAs), it’s also lets you choose whether you want the full dose or just half.

After all, you don’t need the full servings every time.

Sometimes you just need it as part of your loading phase, similar to creatine, so the smaller dose is a welcome alternative.

But of course you can do this with any supplement.

Enigma also contains an electrolyte blend plus betaine for better recovery, which is always nice to have in any ergogenic blend.

The catch is, Enigma is also one of the more expensive EAA supplements in the market, with one bottle costing $54.95 or about $2 per scoop, depending on whether you choose half or full.

Then again, if you truly care about quality and nothing else, Enigma is perfect.

Use discount code FITFREK

Massive 30g per serving
Increases strength and reduces fatigue
Loaded with ergogenic aids
Expensive
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WHAT

Superhuman Intra by Alpha Lion

$37.95
on nutricartel.com
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Discount CodeFITFREK
Sodium, Potassium, Calcium, Potassium, Phosphorus, 6g BCAA, 4g EAA, 2g Taurine, 1g Coconut, 500mg Calcium, 250mg Aquamin, 50mg Astragin

Superhuman Intra contains a total of 10 grams EAA, with 6 of those 10 grams coming from instantized BCAA.

It also contains premium sources of electrolytes, trace minerals, taurine, and Astragin for added bioavailability.

Much like Enigma, Superhuman Intra provides dosing flexibility by choosing half or the full two-scoop dosing.

What sets it apart from Enigma is its use of instantized BCAA, which in theory should lead to better anabolic response and muscle protein synthesis because of its faster absorption.

Coconut water is another potent rehydration ingredient, mostly by maintaining electrolyte levels, and it works better than other electrolytes. 

To top it off, Calci-K, a patented blend of calcium, potassium and phosphorus. These minerals can help keep those electrolyte levels at optimal levels.

And AquaMin is a super bioavailable natural mineral that is sourced from red sea algae. 

That (and taurine) have antioxidant and anti-inflammatory benefits as well.  

Bioavailability is increased too with the help of Astragin, which works like BioPerine in that it can help your body absorb the other nutrients it's consumed with. 

So while Superhuman Intra loses out on total EAA servings, it more than makes up for it with using premium, fast-acting amino acids.

  • Electrolytes and trace minerals for hydration
  • Taurine for an extra source of pump
  • Astragin for bioavailability

The taste is amazing as well.

It’s available in three flavors:

  • Tropic Thunder (Tropical Pineapple),
  • Leg Day Limeade (Sour Lime Popsicle)
  • Grapermelon Gains (Grape Watermelon Candy)

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Increases water retention and pumps
Reduces fatigue
Enhances performance
None
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HIGHEST QUALITY FORMULA

Intra Blast by NutraBio

$44.99
on nutricartel.com
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Discount CodeFITFREK
7.2g BCAAs, 2.6g EAA, 5g Glutamine, 2g Betaine Anhydrous, 1g Ornithine, 2g Taurine, 525mg Calci-K, 157mg Sodium, 140mg Magniesum

Much like the other supplements in this list, Intra Blast has decent amounts of amino acids, most of which come from the standard 2:1:1 BCAA ratio.

There are also special blends for electrolytes and hydration, and a blend for performance to make it a well-rounded formula.

The glutamine in the formula is special, with it being the branded Kyowa Quality. 

Kyowa Quality glutamine is a high-purity, vegetarian ingredient that guarantees fast absorption and maximum potency.

This can lead to reduced fatigue and better muscle protein synthesis.

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Enhances focus and motivation
Synergy with other stimulants
Cheap, lasts 100-250 servings
None
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BULK SUPPLY

Essential Amino Acids by Bulk Supplements

$13.96
on bulksupplements.com
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10g EAA's

When you just want EAAs without the fancy stuff that also happens to be low-cost, Bulk Supplements has got you covered. 

While the formula itself appears generic and the doses aren’t revealed (which is actually why it’s ranked last), the cost of a bag is often enough to entice newbies to try it out.

For veteran users, the lack of fillers and fancy ingredients make the supplement the perfect add-on to their pre-workout or protein stacks.

Reduces  muscle soreness
Helps build muscle
Cheap option
Tastes really bad
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COMPLETE

Bomba by ASC Supplements

Bomba Intra-Workout | ASC Supplements – Nutrition Cartel

Bomba Intra Workout by ASC Supplements is designed to fuel your workouts and enhance recovery. With its comprehensive blend of all 9 essential amino acids, hydration complex, adaptogens, and antioxidants, it's a near-perfect intra-blend.

Ingredients: 5g L-Leucine, 2.5g L-Isoleucine, 2.5g L-Valine, 2g L-Threonine, 2g L-Lysine, 500mg L-Phenylalanine, 500mg L-Histidine, 500mg L-Methionine, 100mg L-Tyryptophan, 2g Taurine, 1g Coconut Water, 525mg Calci-K, 500mg Himalayan Salt, 250mg TRAACS Magnesium 500mg VitaCherry, 50mg Senactiv, 50mg AstraGin
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Struggling to find an EAA supplement that really delivers? Let's talk about Bomba by Xtremis Supplements.

This product is not your average EAA supplement. It's a comprehensive intra-workout formula that goes beyond just providing essential amino acids. With 7 grams of all 9 EAAs, Bomba is designed to fuel your muscles during your workout and enhance recovery afterwards.

But what sets Bomba apart is its unique blend of ingredients.

It includes a hydration complex with electrolytes, adaptogens, and even greens for antioxidants.

This makes Bomba a complete supplement that can support your overall health, not just your workouts.

Another nice bonus is its inclusion of PeakO2 and Spectra.

These ingredients are designed to enhance your performance and endurance, giving you that extra edge during your workouts.

But Bomba isn't perfect.

Some complain about the taste, finding it too sweet or artificial.

And the price is a bit higher than average.

 If you're looking for a comprehensive EAA supplement that goes beyond just muscle support, Bomba might be worth a try.

And here's a bonus: you can save a bit by using discount code FITFREK. 

Use discount code FITFREK to save on your purchase.

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SIZE & ENERGY

Intra by Core Nutritionals

Ingredients:
3.5g Leucine, 1.75g Isoleucine, 1.75 Valine, 2.9g EAAs, 10g Cluster Dextrin, 6g Dextrose, 5g D-Ribose, 3.2g Beta Alanine, 2g GlycerSize

If you're looking for muscle gains, like really nasty size gains along with pumps and natural energy, then Intra by Core Nutritionals is for you. 

This formula is huge and it will make you, well, huge. 

Using 10g cluster dextrin, 6g dextrose and 5g d-ribose.

These 3 carb sources are high quality and have their own set of benefits. 

D-Ribose for example is a natural pentose carbohydrate that can directly increase energy and physical performance. 

When these 3 carbs are combined with creatine, you'll create a synergistic blend of potent muscle building ingredients that will bump up your size in a matter of weeks. 

And there's even 3g beta alanine, which is clinically dosed, and that will also help delay fatigue while increasing workout performance. 

The 2g GlycerSize will help with pumps, it can draw in more water into muscle cells, resulting in a more swole and fuller look. 

For maximum muscle growth, there's the addition of 10g EAA's, including BCAA's. 

Intra by Core is a supplement made for muscle gains, especially if you're a skinny guy (or gal). 

Use coupon code FITFREK.

Strong mix of nitric oxide boosters
Multiple carb sources for performance and gains
Full clinical dose of beta alanine
None
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Supplementing with EAA's: Guide

Amino acids are the building blocks of proteins.

As we all know, protein is important for quite a number of processes that happen inside our body.

In the case of bodybuilding, the amino acids found in protein facilitate the processes required for muscle growth, recovery, and physical performance. 

What are Amino Acids?

Ever wondered what makes up the proteins in your body? Meet amino acids, the building blocks of life.

These organic compounds band together to form proteins, playing a crucial role in our bodies. From breaking down food to repairing body tissue, they're involved in a host of functions.

But here's the kicker:

Not all amino acids are created equal.

They fall into three groups:

Essential, nonessential, and conditional.

Essential ones? Your body can't make them.

You've got to get them through your diet.

Nonessential amino acids, on the other hand, are self-made by our bodies.

And conditional ones?

They're usually not essential, except when you're ill or stressed.

Now, let's dive into Essential Amino Acids (EAAs).

These are the nine amino acids your body can't produce.

Histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine - they're all on the list.

And they're not just sitting around.

They're busy repairing and building muscle tissues, producing hormones and neurotransmitters, and boosting your immune function.

What are EAA’s?

If you're an athlete, or someone who hits the gym regularly, listen up:

EAAs stimulate muscle protein synthesis.

That's your body's way of building new proteins and repairing muscle fibers.

The result? Increased muscle growth and improved recovery after workouts.

And there's more. EAAs can also help prevent muscle breakdown during intense exercise or fasting.

So if you're looking to maintain or increase your muscle mass, EAAs could be your new best friend.

In a nutshell, amino acids and EAAs are vital for a healthy diet and a fit body.

Whether you're a fitness enthusiast or just someone looking to improve your health, understanding these compounds can help you make smarter dietary choices.

What are the best dietary sources of essential amino acids?

The best sources of essential amino acids are animal proteins including meat, eggs, and poultry.

If you’re not fond of animal sources, especially if you have food allergies or prefer a plant-based lifestyle, many species of plants offer adequate amounts of all 9 essential amino acids.

The catch is, you tend to need to eat more plants to get the same amount you’d get from animal sources.

Then, some plants don’t have all 9 essential amino acids, so you have to mix and match them.

This is actually what vegan protein powders do when they claim to have all amino acids despite being a plant-based supplement.

Benefits of Supplementing with EAA's

While essential amino acids on their own are important for everyday function, taking them in high doses such as in supplements has been linked to several science-backed health benefits.

Mood enhancing

  • Taking tryptophan has been cited to help with balancing various mood regulators in your brain, especially serotonin. Serotonin is a major neurotransmitter for mood, sleep, and other behaviors. [1]
  • Low serotonin is linked to depressed mood and poor sleep quality, while several studies show taking tryptophan supplements can reduce symptoms and even boost mood.

Boosts physical performance and enhances recovery

  • Branched Chain Amino Acids or BCAAs are made up of valine, leucine, and isoleucine. These three amino acids are credited for helping fitness enthusiasts with their exercise experience. 
  • Studies suggest taking BCAAs can help delay fatigue, enhance strength and performance, and stimulate muscle recovery. [2]

Supports wound healing

  • Some studies suggest taking amino acid supplements may facilitate faster healing after an accident that resulted in bone fractures than those who don’t supplement.

Protects against muscle loss

  • Amino acid intake can help reduce muscle loss, especially when dieting.
  • Taking amino acids can also help prevent muscle loss when you get sick or when you’re caught in a position where lifting isn’t ideal, such as when you get injured or when you’re out traveling.

What about the optimal EAA ratio?

According to a study conducted in the US Military in 2011, the ratio doesn’t really matter provided you are getting adequate intake of ALL essential amino acids.

“These findings suggest that increasing the concentration of leucine in an essential amino acid supplement consumed during steady state exercise elicits a greater muscle protein synthesis response during recovery.” [3]

EAA’s vs BCAA: Are EAAs any better or different than BCAA’s?

The key difference between essential amino acids (EAA) and branched chain amino acids (BCAA) outside of the amino acids content is the intent in taking them.

You take BCAA when your goal is performance-oriented. BCAAs are suited to boost strength, reduce fatigue, and enhance muscle recovery. You take EAAs if you’re after muscle growth, endurance, immunity, and hormonal balance. [4]

New findings also suggest taking EAAs over BCAAs is better if your amino acid intake is adequate for the physical activity you do on a daily basis.

When’s the best time to drink EAA?

Based on research and some coaching practices, it appears the best times to supplement with essential amino acids are between meals and following a workout. 

Research involving older adults who took essential amino acids between meals have reduced risks of sarcopenia or the shrinking of muscles brought about by aging, which happens due to protein breakdown.

“Results provide promising preliminary results indicating that essential amino acids may provide protection against sarcopenia in healthy aging adults.” (5)

EAA vs whey: Is pure EAA better than whey?

Both have pros and cons.

For whey:

Pros

  • Complete protein source
  • Insulinogenic, ideal as a post-workout
  • Tolerated by healthy digestive systems
  • Lower cost than EAA
  • High in calories for bodybuilding

Cons

  • Whey is inflammatory
  • Not ideal for snacking
  • May cause bloating or general gut discomfort
  • Not plant-based for those who are vegan

For EAA:

Pros

  • Fast absorption
  • No digestion necessary
  • Non-inflammatory
  • Ideal for older adults, especially when preventing muscle loss
  • Can be plant-based
  • Low-calorie

Cons

  • Not ideal for muscle growth
  • Fast absorption may not be ideal for muscle anabolism
  • More expensive

There really is no such thing as “this is better than that” when it comes to supplements. What matters is you supply what your body needs, when it needs it. If you need to take more Whey over EAA or combine them, do it.

The goal is to get stronger, not to choose a side.

How to choose EAA?

In choosing the right essential amino acid supplement, it’s worth noting the following:

  • Is the leucine content high? Studies suggest if your amino acid intake is adequate, leucine is the biggest difference maker when it comes to muscle growth. 
  • Look for a low-sugar or no-sugar product. 
  • The brand should have other muscle boosting/ergogenic ingredients like citrulline, creatine, beta-alanine, and glutamine. These ingredients are known to boost physical performance, recovery, and reduce muscle loss.

Watch the video version of the best EAA's below:

Final Words

What are essential amino acids (EAAs)?

Essential amino acids are amino acids that our bodies can't produce on their own. We must obtain them through our diet or supplements.

Why are EAAs important for muscle gain and recovery?

EAAs stimulate muscle protein synthesis, leading to muscle growth. They also help repair muscle damage caused by intense exercise, promoting faster recovery.

What's the difference between EAAs and BCAAs?

EAAs include all nine essential amino acids, while BCAAs only include three: leucine, isoleucine, and valine. While BCAAs are part of EAAs, full-spectrum EAA supplements provide a more comprehensive approach to muscle growth and recovery.

How do I choose the right EAA supplement?

Consider factors such as the EAA content, additional ingredients, brand reputation, and customer reviews. Always consult with a healthcare professional before starting any supplement regimen.

How do I use EAA supplements?

EAA supplements can be taken before, during, or after workouts for optimal effect. The timing can depend on your personal preference and workout routine. Always follow the manufacturer's instructions for dosage and usage.

What are the potential side effects of EAA supplements?

While EAA supplements are generally safe, they may cause side effects in some people, such as nausea, bloating, and diarrhea. Always start with a lower dose to assess your tolerance and consult with a healthcare professional if you experience any adverse effects.

What is Bomba Intra Workout by ASC Supplements?

Bomba Intra Workout is a comprehensive EAA supplement that contains all 9 essential amino acids, a hydration complex with electrolytes, adaptogens, and greens antioxidants. It's especially beneficial for fasted workouts.

What makes Bomba Intra Workout unique?

Bomba Intra Workout stands out due to its comprehensive formula. It not only provides all 9 essential amino acids but also includes a hydration complex, adaptogens, and greens antioxidants. This makes it a versatile supplement suitable for various workout routines.

Can I use EAA supplements if I'm fasting?

Yes, EAA supplements like Bomba Intra Workout can be used during fasted workouts. They provide your muscles with the essential amino acids they need, preventing muscle breakdown for protein. However, always consult with a healthcare professional before starting any supplement regimen, especially if you're fasting.

Final Words

When it comes to choosing an EAA supplement, always take note of the total dose, the accompanying ingredients, and the quality of the company you are buying from.

Because let’s face it: It’s not hard to build an EAA formula that works. The real challenge lies in making sure the product is made with high quality ingredients while still making it cost-effective.

If you’re ever in a pinch when it comes to choosing an EAA supplement, just look back on the supplements we prepared for you in this blog.

We guarantee each one is worth a try.

References:

  1. Jenkins TA, Nguyen JC, Polglaze KE, Bertrand PP. Influence of Tryptophan and Serotonin on Mood and Cognition with a Possible Role of the Gut-Brain Axis. Nutrients. 2016;8(1):56. Published 2016 Jan 20. doi:10.3390/nu8010056
  2. Børsheim E, Tipton KD, Wolf SE, Wolfe RR. Essential amino acids and muscle protein recovery from resistance exercise. Am J Physiol Endocrinol Metab. 2002 Oct;283(4):E648-57. doi: 10.1152/ajpendo.00466.2001. PMID: 12217881.
  3. Pasiakos SM, McClung HL, McClung JP, Margolis LM, Andersen NE, Cloutier GJ, Pikosky MA, Rood JC, Fielding RA, Young AJ. Leucine-enriched essential amino acid supplementation during moderate steady state exercise enhances postexercise muscle protein synthesis. Am J Clin Nutr. 2011 Sep;94(3):809-18. doi: 10.3945/ajcn.111.017061. Epub 2011 Jul 20. PMID: 21775557.
  4. Hulmi JJ, Lockwood CM, Stout JR. Effect of protein/essential amino acids and resistance training on skeletal muscle hypertrophy: A case for whey protein. Nutr Metab (Lond). 2010;7:51. Published 2010 Jun 17. doi:10.1186/1743-7075-7-51
  5. Henderson GC, Irving BA, Nair KS. Potential application of essential amino Acid supplementation to treat sarcopenia in elderly people. J Clin Endocrinol Metab. 2009;94(5):1524-1526. doi:10.1210/jc.2009-0458
by Nader Qudimat

Forged by iron and cold steel, I'm Nader, a mid-30s natural bodybuilder. Once a 100lb skinny guy, I've transformed into a 200lb muscular athlete with over 15 years of lifting experience. Today, I leverage my transformation and extensive experience to guide countless individuals on their fitness journeys.

Click here to check out my 12 year transformation: Natural 12 Year Transformation

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