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Top 6 Best Essential Amino Acid Supplements

Written by Andrew Le, MD

UpdatedOctober 17, 2024

Protein is made of amino acids, which are vital to those involved, especially in muscle belly building, repair, and maintenance. Amino acids are the building blocks of protein and out of the 20 amino acids that exist, nine of them cannot be produced by our body and must be offered to the body through our diet. However, it can be difficult to intake an adequate amount of these essential amino acids through a conventional diet of foods, particularly if one has a restricted diet or if one is into bodybuilding or any other exacting exercise regimen. This is where essential amino acid supplements come in.

Concentrated amino acid supplements are special products that contain a concentrated dose of all nine essential amino acids per serving. There exist in the form of powders, capsules and liquids. These supplements are widely being used by various athletes, body builders and fitness enthusiasts who would wish to increase muscle mass in their body.

In this article, we have discussed some of the best essential amino acid supplements to help you make a better buying decision. In order to make this review, our team has provided a comprehensive analysis of the existing amino acid supplements and identified the best products on the market.


Nutricost Beta Alanine Powder

Editor's Choice

Nutricost Beta Alanine Powder

Nutricost Beta Alanine Powder offers athletes a potent boost in endurance and performance. Its high-quality formula, free from additives, ensures optimal results for fitness enthusiasts. Trusted by professionals, it's a top choice for those seeking to enhance their workouts and achieve peak athletic performance.

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We’ve tried Nutricost Beta Alanine Powder for quite some time now and it has become one of those staples in our training regimen.

Pros

  • Beta-alanine supplementation has been shown to improve exercise performance by increasing muscle carnosine levels, delaying fatigue, and enhancing endurance.
  • Nutricost Beta Alanine Powder may help athletes and fitness enthusiasts endure longer training sessions by buffering lactic acid buildup in muscles.
  • The powder easily dissolves in water or other beverages, making it convenient to incorporate into pre-workout drinks or shakes.

Cons

  • Some individuals may experience a harmless side effect known as "paresthesia," characterized by tingling sensations on the skin shortly after consumption.
  • To maximize its benefits, beta-alanine supplementation requires consistent daily intake over an extended period, which may not be suitable for those seeking immediate results.

There are many aspects of this particular product that we like, but if we had to point out one, it would be the quality and the purity of this product. That being said, we have observed that it has boosted our endurance and performance especially when exercising at high intensity. The powder blends well into our pre-workout beverages, and we appreciate the absence of any artificial flavors, colorants and other additives.

Furthermore, it is possible to feel the benefits of Nutricost Beta Alanine Powder without dealing with the jitters and crashing afterward. It supplies a source of clean energy that enables us to push through the most intensive training sessions. Furthermore, it helps in the delay of muscle fatigue thus helping us go harder and for longer during our workout sessions. In conclusion, Nutricost Beta Alanine Powder has proved to be the best carmine beta larine for consumers who want to improve their athletic performance and durability.


Klaire Labs L-Lysine - Essential Amino Acid Support

Klaire Labs L-Lysine - Essential Amino Acid Support

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We will highly suggest Klaire Labs L-Lysine – Essential Amino Acid Support for anyone seeking for a good amino acid supplement.

Pros

  • Provides essential support for amino acid balance in the body.
  • Helps in maintaining healthy collagen levels, which is beneficial for skin and tissue health.
  • May support immune function and overall health, particularly during times of increased stress or illness.
  • Convenient 500 milligrams dosage, making it easy to adjust intake based on individual needs.

Cons

  • Some individuals may experience gastrointestinal discomfort or nausea when taking L-Lysine supplements.
  • Not suitable for individuals with lysinuric protein intolerance (LPI), a rare genetic disorder.
  • May interact with certain medications or supplements, so consulting a healthcare professional before use is recommended.

Klaire Labs L-Lysine – 500 Milligrams Essential Amino Acid Support is a product that has been a part of our regimen for quite some time now. It has been a life-changing experience to take this supplement that greatly enhances our health and vigor. Another interesting element of this product is its concentration; serving 500 milligrams of L-Lysine per capsule, it is powerful enough to serve its purpose without being too much for our bodies.

With Klaire Labs L-Lysine, one gets a product that is pure with no additives and which is effective. We have also experienced an enhanced immunity of our bodies after taking this pill as a supplement. Not only does it escalate the immune response in your body, but it also plays an instrumental role in skin health and collagen formation which we both have benefited from greatly. Moreover, the capsules we have are easily swallowed and have no side effects to the stomach making it suitable to be administered daily. All in all, this is a product that we gladly endorse to anyone in search of quality support for their necessary L-Lysine intake.


Double Wood Supplements Essential Amino Acids

Double Wood Supplements Essential Amino Acids

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For this reason, we strongly endorse Double Wood Supplements Essential Amino Acids to anyone who is seeking for an effective amino acid supplement.

Pros

  • Contains all 9 essential amino acids and all branched-chain amino acids (BCAAs)
  • Required for countless bodily functions
  • Supports muscle recovery and growth

Cons

  • May require taking multiple capsules per serving
  • May not be suitable for those with certain medical conditions
  • Some users may experience minor side effects

Double Wood Supplements Essential Amino Acids is a top-shelf product that includes 9 attributes of EAAs and all BCAAs in capsules. This supplement has been effective for muscle recovery and growth, helping the body in functions such as building protein and synthesis of neurotransmitters.

We admired the efficiency of this pill but mentioned that one serving contains several capsules, which can be inconvenient for some people. Also, there are some situations when people with certain chronic diseases are allowed to take it. We also observed that users may feel mild side effects in the short term, though these side effects were rare.

All in all, we can conclude that Double Wood Supplements Essential Amino Acids is a perfect product for those willing to buy really good amino acid supplement.


Pure Encapsulations Essential Aminos

Pure Encapsulations Essential Aminos

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If you want to have extra help with your muscles/tissues, protein needs, or overall functioning of your neurotransmitters, then you need to reach for Pure Encapsulations Essential Aminos.

Pros

  • The balanced ratio of essential amino acids in one supplement is optimal support for protein synthesis and metabolism.
  • Essential Aminos contains amino acids that are building blocks for all proteins, making it essential for a number of body functions, including proper fluid balance, enzyme production, cellular repair, and energy metabolism.
  • Amino acids also provide a readily available form of nitrogen, a critical element that forms various compounds such as neurotransmitters.

Cons

  • Some users have reported feeling lightheaded, constant headaches, tired, confused, palp after taking the supplement.
  • The product is not suitable for people with certain allergies.
  • The price may be higher than some other amino acid supplements on the market.

We have been taking Essential Aminos from Pure Encapsulations for a few weeks now and finding that the recovery time after training has decreased and that energy levels overall is improved. The capsules are gentle on the throat since they do not have a bitter taste and do not leave an unpleasant taste in the throat.

Another aspect that we really love about this product is that its formulation is made with only the finest and freshest ingredients bought directly from reputable suppliers and in consultation with professional nutritionists, and then produced and packaged with utmost precision in order to confirm their efficacy and quality. It should also be mentioned that it does not contain wheat, eggs, tree nuts & peanuts, gluten, artificial colors, flavors & sweetness, coatings & shellacs, GMOs, and is free of unnecessary added binders, fillers & preservatives.

In conclusion, it can be good to look at Pure Encapsulations Essential Aminos if you are in the market for a good amino acid supplement that caters to muscle/tissue, protein, and neurotransmitters.


Peak Performance All 9 Essential Amino Acids Supplement

Peak Performance All 9 Essential Amino Acids Supplement

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For an effective and safe amino acid supplement, you should consider the Peak Performance All 9 Essential Amino Acids Supplement.

Pros

  • Contains all 9 essential amino acids, including 3x more leucine per capsule for optimal muscle recovery and growth.
  • Keto-friendly, flavorless, and great for men and women.
  • All ingredients are carefully chosen and 3rd party tested for purity.

Cons

  • The product has a somewhat unpleasant taste and smell.
  • Some users experienced bloating and drowsiness when first taking the supplement.
  • The capsules may be difficult to swallow for some users.

We have personally consumed the Peak Performance All 9 Essential Amino Acids Supplement and it has proven very efficient. The supplement is enriched with all 9 essential amino acids, including leucine, necessary for muscle tissue build up. The capsules are keto compatible, zero calorie, and suitable for males and females.

We understand that all the components are researched and purchased along with being third party tested for quality and purity to ensure that the product works as advertised. We also commend the company for its practice of providing a part of the sales to Vitamin Angels, an organization that addresses Vitamin Angels’ vitamin deficiencies in children.

However, we found that it has some issues such as having an unpleasant taste and smell that may be unappetizing to some users. Moreover, some consumers reported that when starting using the supplement, they felt the symptoms such as bloating and drowsiness. Also, the capsules may not be easily ingested especially for those who have problems with swallowing pills.

All in all, we can conclude that the Peak Performance All 9 Essential Amino Acids Supplement will be a perfect fit for any person who aims to resolve muscle soreness and enhance their muscle mass.


Thorne Amino Complex - Clinically-Validated EAA and BCAA Powder for Pre or Post-Workout

Thorne Amino Complex - Clinically-Validated EAA and BCAA Powder for Pre or Post-Workout

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If you on the lookout for an essential amino acid supplement to assist you in acquiring lean muscles and strength, then Thorne Amino Complex is the best supplement for you.

Pros

  • Helps promote lean muscle mass and energy production
  • Supports sports- and fitness-related activities
  • Provides support for muscle strength in anyone needing additional support

Cons

  • Can be expensive for the amount of oz.
  • Berry flavor can be a bit too sweet for some
  • Powder can get a bit hard

Actually, we’ve been using Thorne Amino Complex for quite some time now, and I can tell you that Thorne Amino Complex is one of the best essential amino acid supplements on the market. Thanks to over 25 years of scientific and clinical data, this active ingredient formula is suitable for every person who wants to maximize their workouts.

Another advantage of Thorne Amino Complex is that it is gluten-free, and it does not contain any other common allergens such as eggs, tree nuts, peanuts, soy, dairy, shellfish, and fish. That is why it is highly suitable for persons with allergies or some other side of sensitivity.

The berry addition is a good idea but at times the sweetness of the juice can be a little too much. However, it does become a bit clumpy later on, making it a tad challenging to stir in the beverages of your choice.

All in all, Thorne Amino Complex is a perfect supplement for the people who want to build their lean muscle mass and feel more energetic. It may be pricey just a little, but been assured, the advantages will outweigh the cost. Before going for Essential amino acid supplement it will be wise to consider Thorne Amino Complexity.

Buying Guide

Amino Acid Profile

The first thing that should be considered is the amino acid composition present in the supplement. Select products that include all the nine essential amino acids as they promote muscular development and repair. Also, ensure that your food product supplies sufficient quantity of all the ameliorate essential amino to facilitate your fitness activities.

Quality

Another thing that cannot be overlooked is the quality of the supplement that is being consumed. Search for items that are derived from quality raw materials and produced in a place that adheres to GMP standards. This confirms that the product is free from all the contaminants and is fit for consumption.

Form

There are different types of essential amino acid supplements on the market, they include powders, capsules, and liquids. Ideally the type of form you select should be influenced by your tastes and the way you live your life. The powders are easily dissolvable in water or food while capsules and liquids are easily portable and convenient to use at any particular time.

Dosage

Another factor that is worthy of mention is dosage. It is also important that one should go through the label and ensure he or she takes the right quantity that is required. This means that taking a supplement in large quantities may have adverse side effects, while taking it in small quantities may not produce the expected benefits.

Frequently Asked Questions

What are the benefits of taking an EAA supplement?

EAA aids in muscles building and recovery, increased training effectiveness, decreased muscle stiffness and exhaustion, and a generally healthier state of being. These substances contribute to the maintenance of the musculature, as well as ensuring the immune system, endocrine system and many other processes occurring in the body.

Which brands offer supplements with all 9 essential amino acids?

EAA supplements are generally safe and well endurable when administered or consumed according to given recommended doses. However, some of the mild side effects that may be observed include nausea, stomach discomfort, or diarrhoea. It is recommended to begin at a low dose and increase over time depending on tolerance in order to reduce the likelihood of side effects.

What is the recommended dosage for EAA supplements?

To reach the adequate intake levels of EAA, the recommended dosage of supplements depends on the product and each person. Typically, one has to take between 5-10 grams of the EAA supplements daily preferably with or after a workout session. One must always adhere to the instructions given in the pack and it is always wise to consult a physician before starting with any new supplement.

Are there any side effects of taking EAA supplements?

EAA supplements are generally safe and well-tolerated when taken as directed. However, some people may experience mild side effects such as nausea, stomach upset, or diarrhea. It is important to start with a low dose and gradually increase as tolerated to minimize the risk of side effects.

Can EAA supplements aid in muscle growth and fat loss?

EAA supplements can aid in muscle growth and fat loss when combined with a healthy diet and exercise program. They provide the body with the essential building blocks it needs to build and repair muscle tissue, as well as support metabolic function and fat burning.

How do EAA supplements compare to other amino acid supplements in terms of effectiveness?

EAA supplements are generally considered more effective than other amino acid supplements because they contain all 9 essential amino acids in the optimal ratios for muscle growth and repair. Other amino acid supplements may only contain a few essential amino acids or non-essential amino acids, which may not provide the same benefits.

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