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Top 12 Best Complete Amino Acid Supplements

Written by Andrew Le, MD

UpdatedJuly 30, 2024

Protein is made up of amino acids and these are essential in the normal functioning of the human body. To a large extent, we are able to acquire these through our daily diet, although sometimes there are circumstances under which we need to supplement this with additional products. It is in complete amino acid supplements where this is made possible and thus preferred over the other sources. These supplements contain nine unavailability amino acids that are required in the body in their natural form.

We dedicated the many hours to looking for and trying out the best complete amino acid supplements that offer the most formulated and sufficient amino acid blend.

Top 3 Best Complete Amino Acid Supplements

  1. Nutricost Beta Alanine Powder
  2. Klaire Labs L-Lysine - 500 Milligrams Essential Amino Acid Support
  3. XYMOGEN L-Theanine

We have researched and tested various complete amino acid supplements to bring you our top picks. These supplements are designed to provide your body with all the essential amino acids it needs to support muscle growth, recovery, and overall health. Our list includes options for different dietary needs and preferences, so you can find the best complete amino acid supplement for you.


Nutricost Beta Alanine Powder

Editor's Choice

Nutricost Beta Alanine Powder

Nutricost Beta Alanine Powder stands out with its pure formulation, supporting endurance and muscle performance. Trusted by athletes worldwide, its high-quality, lab-tested ingredients ensure optimal results. Elevate your workouts with Nutricost's commitment to excellence in every scoop.

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As users of Nutricost Beta Alanine Powder, we can confidently attest to its efficacy and quality.

Pros

  • Enhances muscular endurance
  • Improved performance particularly in activities requiring bursts of strength and power.
  • Convenient powder form and easy to mix into beverages or shakes, making it simple to incorporate into your daily routine.

Cons

  • Requires consistent use
  • The taste of beta alanine powder can be unpleasant for some individuals, which may require mixing with flavored beverages or masking agents.

It has now formed an essential component of our pre-workout supplement, and its effectiveness in providing that extra energy and endurance to go through a tough workout regimen cannot be underestimated. The powder blend nicely and well with our choice of beverages making it very convenient to have this supplement.

This Nutricost Beta Alanine Powder review would not be complete without pointing out that the product is exceptionally pure and concentrated. Bodybuilders especially have expressed their satisfaction in knowing that what they are ingesting is a plain product, and the beta-alanine supplement does not contain any additional additives or fillers that have no contribution to the performance of the product. Regardless of the specific action, such as weight lifting or intense aerobic exercise, this product always effectively assists in increasing the muscle’s time to failure and subsequently improves our endurance for sustaining our highest level of output. In conclusion, Nutricost Beta Alanine Powder has thus turned into our friend in the fitness training assisting us to get to the target and go beyond each time we train.


Klaire Labs L-Lysine - 500 Milligrams Essential Amino Acid Support

Klaire Labs L-Lysine - 500 Milligrams Essential Amino Acid Support

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We've been using Klaire Labs L-Lysine - 500 Milligrams Essential Amino Acid Support for a while now, and it's become an integral part of our daily supplement routine.

Pros

  • Provides essential amino acid support, particularly beneficial for individuals with lysine deficiency.
  • Convenient 500 milligram dosage for easy supplementation.
  • May support collagen production, aiding in wound healing and skin health.
  • Can potentially help manage and prevent cold sore outbreaks.

Cons

  • Some individuals may experience gastrointestinal discomfort such as nausea or stomach cramps when taking lysine supplements.
  • As with any supplement, individual reactions may vary, and some people may not experience the expected benefits.
  • Long-term safety and efficacy beyond the recommended dosage have not been extensively studied.

The following product has played a crucial role in enhancing our overall health. The 500 milligrams dosage of this product gives the patient exactly what he or she needs which is L-Lysine – an amino acid that though can be obtained from diet or supplements, cannot be synthesized by the body.

This supplement’s quality and pureness are the advantages that can be considered distinctive about it. We understand that Klaire Labs focuses on the research and quality assurance to offer only the highest quality of L-Lysine that is contained in each capsule along with no extra ingredients. This provides us the assurance about benefits and viability of the product. Further, the capsule form of these products can be easily administered at home, at work, while traveling and even in our day to day activities. All in all, my results were quite positive and I would definitely advise Klaire Labs L-Lysine to anybody in need of boosting their amino acid consumption and overall well-being.


XYMOGEN L-Theanine

XYMOGEN L-Theanine

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As users of XYMOGEN L-Theanine, we've found it to be a remarkable supplement that has positively impacted our daily lives.

Pros:

  • Promotes relaxation and reduces stress and anxiety.
  • Supports cognitive function and improves focus and attention.
  • Can enhance sleep quality and duration.

Cons:

  • Individual response may vary, and not everyone may experience the same benefits.
  • Some individuals may experience mild side effects such as headaches or dizziness.
  • Long-term effects and safety for extended use are still being researched.

Being users of the XYMOGEN L-Theanine it is an impressive supplement which makes a difference in our lives.

L-Theanine is an amino acid found in green tea which has been known to have relaxation effect on the body but does not make one become sleepy. Applying XYMOGEN’s formulation in our activities, it is used during stressful days and when one wants to be sharp and on a clear mind. What saved us as far as L-Theanine is concerned is its quality and purity and XYMOGEN has proved to be a very reliable source in this regard.

Another importance that I found quite striking is the ability to boost one’s brain power. Whether it be during work, studying, or creative work, XYMOGEN L-Theanine has assisted in improving focus and concentration during work and other tasks thus making completion of work with higher ease due to better focus. Also, it’s rewarding to note that it is not accompanied by the shakes or stuns that are most common when using caffeine or any stimulants. It provides a calm and wakeful state, which has proved to be of enormous help in combating the challenges of the contemporary society. In conclusion, XYMOGEN L-Theanine is now forms an important component in our element of wellness along with mental strength and general health.


Double Wood Supplements Essential Amino Acids

Double Wood Supplements Essential Amino Acids

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If you're looking for an effective complete amino acid supplement, Double Wood Supplements Essential Amino Acids might be the right choice for you.

Pros

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

Cons

  • Capsule size may be large for some people
  • Unflavored taste may not be appealing to some
  • Some customers have reported receiving capsules that are stuck together

Double Wood Supplements Essential Amino Acids has been helpful to us for a few weeks now, and it has not disappointed us in any way. It provides all nine indispensable amino acids needed in the body for such things as the building of protein and manufacture of neurotransmitter substances. Also it has all three branched-chain amino acids which are Ham for muscle building, amination of muscle soreness, and exercise endurance.

After using this supplement, we have seen that our muscles have taken little time to recover as well as gaining mass. Soreness of muscles during physical activity decreases, and there is increase in the level of efficiency during activity. The capsules are specially designed for swallowing and the actual feel of the product is good for most people in that aspect but one minor setback might be that some of the capsules are large. The flavor was bland and unappealing; however, we did not see this as a big issue.

The only challenge we came across was that some of the capsules were fused making it a little hard to separate them. Nevertheless, this was little frustrating, but did not hamper the use of supplement in any way.

All in all, if you need a perfect amino acid blend which will support muscle recovery and muscles building then Double Wood Supplements Essential Amino Acids is theusher.


NOW Sports Nutrition, Amino Complete™, Protein Blend With 21 Aminos and B-6

NOW Sports Nutrition, Amino Complete™, Protein Blend With 21 Aminos and B-6

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If you're looking for an amino acid supplement that is both effective and affordable, NOW Sports Nutrition Amino Complete™ is a great option.

Pros

  • Provides a balanced blend of protein and free-form amino acids.
  • Contains 21 different amino acids, including all nine essential amino acids.
  • Made by a reputable brand that is committed to quality.

Cons

  • Some people may not like the fact that the capsules are quite large.
  • The unflavored formula may not be appealing to everyone.
  • The suggested dosage of four capsules per day may be inconvenient for some.

NOW Sports Nutrition Amino Complete™ has been with us for a few weeks and we are quite happy with the outcome. The supplement contains proteins as well as free-form amino acids which makes it the best supplement for athletes and those people that exercise to support their muscles growth.

It has twenty-one branch chain amino acids exhibited in the formula with nine out of the nine essential branch chain amino acids. This means that instead of ingesting only individual amino acids that may be present in foods you are consuming a range of amino acids that body needs in order to construct and rehabilitate muscles. We must also admit that the supplement is produced by a well-known brand company whose primary focus is to provide only quality products. The product is GMP Quality Assured, and this is a general message to the masses that they can trust the medicine they are taking because every factor from production and packaging has been tested for stability, potency and product formulation.

A possible flaw, as consumers have pointed out is that NOW Sports Nutrition Amino Complete™ capsule is relatively large.

All in all, we have positive impressions about the effects NOW Sports Nutrition Amino Complete™ produces. Overall, it is quite clear that this is a good and cheap amino acid supplement if you are to look for one.


Nature's Path Nutraceuticals Essential Amino Acids Supplement

Nature's Path Nutraceuticals Essential Amino Acids Supplement

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If you are looking for a complete amino acid supplement to support your muscle growth, recovery, cognitive health, and sleep, you should consider Nature's Path Nutraceuticals Essential Amino Acids Supplement.

Pros

  • Contains 9 essential amino acids optimized for maximum absorption in a free-form amino acid complex
  • Gluten-free and pharmaceutical grade quality
  • Supports muscle growth, recovery, cognitive health, and sleep

Cons

  • Some customers received the wrong product
  • Some customers did not see any noticeable results
  • Some customers experienced side effects such as stomach upset

This particular amino acid supplement we have been taking for a couple of weeks now and I have observed that the muscle strength and thought-process has improved. The pills are not very large and they did not make my gag reflex go crazy which is always a bonus when swallowing pills. We also noticed that this supplement is vegan and uses pure amino acids alongside a free form amino complex.

Nature’s Path Nutraceuticals Essential Amino Acids Supplement is comprehensive with all nine essential amino acids comprising branch chain amino acids (BCAA) and a semi-essential amino acid L-Histidine in the pack making the supplement ideal. Due to this higher potency, this supplement stands out and is better than any essential amino acid capsule or even any essential amino acid powder out there. We also like that this supplement supports the keto diet and is vegetarian.

In conclusion, for those seeking a high quality, free from any fillers or artificial additives complete amino acid supplement for promoting muscle growth, recovery, mind function and sleep Nature’s Path Nutraceuticals Essential Amino Acids Supplement is the recommended choice.


Optimum Nutrition Superior Amino 2222 Tablets

Optimum Nutrition Superior Amino 2222 Tablets

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If you're looking for a complete amino acid supplement, Optimum Nutrition Superior Amino 2222 Tablets is a great option. With over 2 grams of total aminos and 18 different types of amino acids, this product is perfect for anyone looking to enhance their workout performance.

Pros

  • Provides over 2 grams of total aminos
  • Provides 18 different types of amino acids
  • Contains Free-form L-carnitine and L-ornithine

Cons

  • Tablets are large and can be difficult to swallow
  • Exposure to heat or sunlight may lead to melting/damage of product
  • May get lodged in the throat if not swallowed carefully

There is Optimum Nutrition Superior Amino 2222 Tablets and our group has also tested them and saw a boost in our workouts. This product has the right ratio of the necessary and non-necessary acids that enhance muscles repair and build up.

Nevertheless, the tablets are rather large and could prove to be cumbersome when it comes to swallowing them down, a factor that might pose as a drawback for some of the users. Also, conditions such as heat or sunlight could melt or damage the product, therefore, the seller should be around at the time of delivery. Also, if not taken with a lot of care when swallowing the tablets can get stuck in the throat.

In conclusion, Optimum nutrition superior amino 2222 tablets is one of the best products that any one can use so as to boost the performance in the exercise sessions. It is therefore wise to use the product while being aware of the cons and taking precautions where necessary.


Nature's 9 3000 Essential Amino Acids Supplement

Nature's 9 3000 Essential Amino Acids Supplement

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If you're looking for an all-in-one supplement that can help you with muscle recovery, weight management, and vitality, then Nature's 9 3000 Essential Amino Acids Supplement might be the right choice for you.

Pros

  • One of the strongest essential amino acid supplements on the market
  • Supports healthy weight loss and helps reduce cravings
  • Optimized essential amino acids supplements in ratios for max absorption

Cons

  • May not be suitable for those who are sensitive to certain ingredients
  • Some users may experience mild digestive discomfort
  • The price point may be higher than other similar supplements

For the last few weeks, we have been using Nature’s 9 3000 Essential Amino Acids Supplement, and can say the formula is powerful and efficient. It is simply swallowed because of the pill form and we like it bit because it is non GMO and gluten free.

It is obviously that it includes nine essential amino acids that mean that people can take this supplement as all-in-one product for a healthy living. The rations of these amino acids are also optimised to the level that none is used in excess hence guaranteeing the use of every pill to the latermost degree.

There are a couple of other advantages of using Nature’s 9 3000 Essential Amino Acids Supplement, which is that this supplement does not contain caffeine, thus suitable for people with related issues. As far as ourselves were concerned, there are few things which can give as efficient a ‘get-up-and-go’ boost in the morning as tea.

All in all, it will be advisable to use Nature’s 9 3000 Essential Amino Acids Supplement as a recommended product in the supplement market on the provision of 3000 essential amino acids. Its concentrated blend, precise proportions, and natural stimulant properties make it suitable for everybody seeking enhanced health and vitality.


Designs for Health Complete Amino Acid Powder with BCAAs - Amino Acid Supreme

Designs for Health Complete Amino Acid Powder with BCAAs - Amino Acid Supreme

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If you are looking for a complete amino acid supplement, Designs for Health Complete Amino Acid Powder with BCAAs is a great option.

Pros

  • This product contains potent, bioavailable amino acids which can be readily absorbed and utilized by the body.
  • The fruit punch-flavored powder is delicious and convenient to use, and it contains no sugars or caloric sweeteners.
  • This product provides balanced essentials, including amino acids which are considered to be 'essential' and must be obtained through diet or supplementation.

Cons

  • This product is a bit pricey compared to some other amino acid supplements on the market.
  • The taste may not be to everyone's liking.
  • Some customers have reported sensitivity to some of the ingredients.

As for the sport nutrition supplements, we have been taking Designs for Health Complete Amino Acid Powder with BCAAs for a couple of weeks now and we could not be happier. It dissolves well and tastes somewhat like fruit punch, which I was happy about since it makes the supplements so much easier to take. More energy is evident, recovery from workouts has been faster and muscles feel less sore.

On the negative part, let it be known that this product is a tad pricey compared with some of the competing amino acid products. But we know currently we retail our products at a slightly higher price but we wish to argue that in as much as the price is high, the quality of the product justifies it. Further, some customers have complained of the sensitivity of some of the ingredients in the food, which makes it unsuitable for all customers.

In conclusion, we could surely advise this product, Designs for Health Complete Amino Acid Powder with BCAAs, to any consumer who is in a search of a good, efficient amino acid supplement.


Optimum Nutrition Superior Amino 2222 Tablets

Optimum Nutrition Superior Amino 2222 Tablets

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We highly recommend the Optimum Nutrition Superior Amino 2222 Tablets for those looking for a complete amino acid supplement.

Pros

  • Contains over 2 grams of total aminos
  • Provides 18 different types of amino acids
  • Contains free-form L-carnitine and L-ornithine

Cons

  • Customers must be available during product delivery to prevent melting/damage due to exposure to heat or sunlight
  • Some users may find the pills to be too large and difficult to swallow
  • Does not contain all the amino acids necessary to be the main food supplement for the body

The Optimum Nutrition Superior Amino 2222 Tablets have always been among the most consumed and recommended supplements for a long time. The tablets offer a convenient way of taking balanced assortment of amino acids with free-form L-carnitine and L-ornithine essential in muscle repair and building.

One of the most exceptional benefits of this product is that this supplement has more than 2 grams if total aminos-18 types of amino acid. It thus makes it a perfect option for people who want a product that comprises all the amino acids.

However, the problem arises where customers are not at home when the products are delivered as they are likely to melt/damage through heat or sunlight. In the same vein, some users have complained that the pills are large and thus, cannot be ingested easily.

All in all, it is our pleasure to give the Optimum Nutrition Superior Amino 2222 Tablets a thumbs up and highly recommend them to anyone who is interested in getting a pack of a full amino acid complex in their attempts of achieving their dream physiques.


GNC Pro Performance Essential Amino Complete

GNC Pro Performance Essential Amino Complete

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We highly recommend GNC Pro Performance Essential Amino Complete. It's a great product that delivers on its promises.

Pros

  • The product contains essential amino acids and electrolytes to support muscle recovery and hydration.
  • It's tested and certified Banned Substance Free.
  • It tastes amazing, contains no sugar and mixes easily with a simple stir, shake or blend.

Cons

  • The product only comes in one flavor - Strawberry Kiwi.
  • Some users may find the product to be a bit too sweet.
  • The product is a bit expensive compared to other amino acid supplements on the market.

GNC Pro Performance Essential Amino Complete is a quality product that provides amino acids in the human body and electrolyte as a replenishing substances to the muscles. After testing the product, the researchers observed that the product blended well with water and it was tasty. We also like the fact that the product is also check Banned Substance Free, we feel pretty comfortable.

The only disadvantage I could think of in this product is that there is only one flavor being offered – the Strawberry Kiwi. What may be perceived as a downside is that some users may think that the produced is overly sweet; however, this agency did not find the taste to be overly cloying. Besides, the product is relatively costly as compared to other amino acid supplements available in the market; however, what we have said above justifies the price.

In conclusion, GNC Pro Performance Essential Amino Complete is one of the best amino acid supplement and can be endorsed to any person who wishes to boost his or her workouts.


Sunshine Biopharma

Sunshine Biopharma

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If you're looking for an effective and vegan-friendly supplement to improve your protein synthesis, muscle repair, and growth, then Sunshine Biopharma's Essential 9 is worth considering.

Pros

  • Provides all 9 essential amino acids in free form and in the recommended proportions
  • Contains the scientifically proven set of essential amino acids, including the 3 BCAAs
  • Vegan certified and produced in a GMP certified facility

Cons

  • Some may find the price too high
  • May not be suitable for those who prefer flavored supplements
  • Requires regular intake to achieve desired results

The product that has proved helpful is Essential 9; it has provided positive results with muscle gain, longer stamina, and sharpness of mind. The developed capsules could be swallowed with ease, and we would like to note the fact that those contain only pure amino acids, and no animal-derived product was used.

But I can stay that the product is marked as vegan certified and there is no specific taste on the product. This may or may not be a positive effect depending on each client’s tastes, however some may like to have flavored supplements. Also, the availability of the content coupled with the convenience of the delivery model may push the price to a level that is higher than what some users can afford. But, we shall concede that importance of the Essential 9 warrants the investment on it.

All in all, if you are in pursuit of a perfect and natural Amino essential supplement to boost up your health and performance then you must try Sunshine Biopharma’s Essential 9.

Buying Guide

When choosing a complete amino acid supplement, there are several factors to consider. Here are some features to look at before making a purchase:

Amino Acid Profile

The first factor that one need to assess is the amino acid composition of the supplement in question. A good product should have the nine recommended amino acids as stated above and in the right concentrations. These are the non-synthesizable amino acids which means that they cannot be synthesized in the human body hence are acquired through foods and supplements. There should also be non-essential amino acids in the supplement as these though synthesized in the body, are useful if taken as supplements.

Quality and Purity

For it to be effective in meeting the body’s requirements, it is advisable to select a supplement of good quality and purity. Try to purchase products that were produced by well-known providers and or have been the subject of certain procedures to determine their purity. Also, the supplement should not pose any allergens, toxins, common inflammatory foods or chemicals also known as common fillers.

Dosage and Serving Size

The amount of the supplement is also something that one must consider, this includes the serving size and quantity of the supplement that is to be taken. The dosage that has been recommended here will therefore depend on the customer’s requirements as well as the intended outcome. As with most supplements and vitamins, one should ensure that he/she consumes the right amount in line with the recommended dosage indicated on the label.

Price

Every person has an especial strategy when it comes to buying something, but most probably always cost is considered. Of course, one would want to find a good quality product but at the same time, one must also find a product that would fit the budget well. Thus, it is recommended that one should compare the prices of the items or services being offered, and read consumer reports on the service provider, or product seller.

Frequently Asked Questions

What are the best sources of complete amino acids?

The biologicically perfect sources of complete amino acids are protein foods of animal origin including meat, fish, eggs, and milk. Soybean and quinoa with other grains and buckwheat which is now more familiar to many are also rich in all the essential amino acids.

Is it worth taking amino acid supplements?

Protein powders and amino acid sources can be useful in those cases when a person consumes insufficient amounts of proteins in their diet or their protein demands are higher because of for physical activity, or when they are injured. However, proper supplementation should be practiced and one should ensure that they get the right supplement form the market and a doctor should be consulted before taking any new supplement form.

What is the most powerful amino acid?

It is impossible to talk about such thing as the most powerful amino acid, since all of them are vital and perform different functions in the human body. However, there are some amino acids which are essential for muscles building and recovery the foremost of which are leucine, valine and isoleucine which are known as branched chain amino acids or BCAA.

What is the best form of amino acids to take?

As a result, the form of amino acids has to be selected depending on the consumer’s peculiarities and preferences. Many people choose to consume their amino acid as a capsule or a tablet while others choose powders or liquid. It is advisable to take the form that one finds easy to handle and complete as required.

What are the best amino acid supplements for females?

The best amino acid supplements for females are those that contain a balanced blend of all essential amino acids, as well as additional ingredients such as vitamins and minerals that support overall health and wellness.

What are the best BCAA/EAA supplements?

The best BCAA/EAA supplements are those that contain a high-quality blend of amino acids in the correct ratios to support muscle building and recovery. Look for supplements that are free from artificial colors, flavors, and sweeteners.

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