10 Best Amino Acids for Weight Loss

the best amino acids for weight loss

If you are on a weight loss journey, you may seriously want to consider enlisting the help of supplemental amino acids. The best amino acids for weight loss include the likes of L-Leucine, L-Isoleucine, L-Valine, and others. These amino acids can help you reach your fitness goals by triggering fat burn and preserving your lean muscle mass.

Many of us end our diets with less fat, yes, but less muscle as well. With the help of amino acids, we can reach our weight loss goals without draining our bodies of the muscle we worked so hard to form.In this article, we will go over our favorite supplements that include the best amino acids for weight loss. Follow along, and we will guide you to the products that will help you reach your goals.

Product FAQ

1. What Are Amino Acids?

2. What Benefits Can I Expect from the Best Amino Acids for Weight Loss?

3. Other Than Taking the Best Amino Acids for Weight Loss, How Can I Maximize My Results?

4. Where Can I Buy the Best Amino Acids for Weight Loss?

5. Are Supplements Necessary to Achieve Weight Loss?

How We Reviewed

The following products were reviewed based on the following parameters: Features, Taste, Price, Where to Buy, and Warranty. We chose these parameters because our goal is to help you hunt down the best amino acids for weight loss. These criteria we have decided to focus on give our reviews a comprehensive, yet concise, scope that will help us achieve that end. We are confident that with this selection, our reviews will help you choose the right supplements for your weight loss goal.

"Weight loss can change your whole character. That always amazed me: Shedding pounds does change your personality. It changes your philosophy of life because you recognize that you are capable of using your mind to change your body".

 Jean Nidetch

Overall Price Range

These supplements containing the best amino acids for weight loss range in price from $10 to $40. The main price determinants include the quality of ingredients in their formulae, the rigor of the testing processes that back their production, the quality of the production facilities, and the brand names.

  What We Reviewed

  • BCAA Branched Chain Essential Amino Acids Powder
  • Natura BCAA Capsules
  • Scivation Xtend BCAA Powder
  • RSP AminoLean
  • Amino Slim
  • Best BCAA Capsules
  • IdealLean BCAA For Women
  • Best BCAA Supplement, UNCHAINED
  • Amate Life Bedtime Workout
  • RSP Liquid L-Carnitine 3000
BulkSupplements.com BCAA 2:1:1 (Branched Chain Amino Acids) (1 Kilogram - 2.2 lbs - 667 Servings)
  • Help build muscle strength and endurance*
  • Assist with muscle recovery*
  • Help maintain healthy blood sugar levels*
  • Help maintain weight*
  • Support the liver*


BCAA Branched Chain Essential Amino Acids Powder is a weight loss and muscle development supplement that will kick start your muscle growth and metabolism with its meticulously crafted formula with a 2:1:1 ratio of L-Leucine, L-Isoleucine, and L-Valine.

BCAA Branched Chain Essential Amino Acids Powder will support you throughout your training, whether you use it as a pre-workout supplement or a post-workout one and whether your goals are to lose weight or gain it. This supplement boosts protein synthesis and lean muscle growth, all while minimizing the amount of tissue damage that occurs after intense workouts.


BCAA Branched Chain Essential Amino Acids Powder is slightly below average in taste. It is best taken in gelatin capsules or chased down with a beverage. Many may find the taste unpleasant when mixed with just water.


BCAA Branched Chain Essential Amino Acids Powder does not come with a warranty period.

Natura BCAA Capsules - All Natural BCAAs for Recovery and Muscle Growth - Clean Branched Chain Amino Acids - Essential 2:1:1 Ratio - Pre and Post Workout Supplement for Men and Women.
  • Most Potent Formula - Ideal 2:1:1 ratio pills of l Leucine, l Isoleucine & l Valine.
  • Recover Way Faster - Formulated to drastically help eliminate muscle soreness now.
  • Build Lean Muscle - Triggers protein synthesis, you will gain muscle building more quickly.
  • Steady Energy - Boost your pre workout energy with a dose of 211 aminos.
  • Our Promise -  You are protected by our 365 Day Manufacturer Guarantee. 


Natura BCAA Capsules uses a potent formula of only pure BCAAs, with a 2:1:1 ratio between L-Leucine, L-Isoleucine, and L-Valine. This supplement induces protein synthesis, helping you build muscles as quickly and efficiently as possible while also reducing any potential muscle fatigue or soreness from your workout regimen. Not only that, but it will speed up recovery and increase your endurance by bolstering your lean muscle mass.

Natura BCAA Capsules help users burn fat faster while preserving muscle mass. It is an invaluable tool for anyone looking to lose weight during a cut without losing all the muscle they worked so hard to develop during their bulk.


Natura BCAA comes in the form of capsules, which is a major advantage when it comes to taste. With these gelatin capsules, you will not get the strong taste you often find in traditional BCAA powders.


Natura BCAA Capsules come with a generous 1-year satisfaction guarantee.

XTEND Original BCAA Powder Watermelon Explosion | Sugar Free Post Workout Muscle Recovery Drink with Amino Acids | 7g BCAAs for Men & Women | 30 Servings
  • XTEND BCAA POWDER FOR MEN & WOMEN - The World's #1 BCAA Brand has been perfecting recovery since 2004 with 7 grams of BCAAs in the nature-designed and research-proven 2:1:1 ratio
  • SUGAR-FREE BRANCHED CHAIN AMINO ACIDS - Zero sugar, zero calories, and zero carbs in every delicious serving
  • IMPROVE RECOVERY & HYDRATION - Consume a minimum of 14 grams of BCAAs per day - before, during, and after your workout - to stay hydrated and support recovery
  • TESTED & TRUSTED BY THIRD PARTIES - Proudly NSF Contents Tested & Certified and Informed-Choice Certified symbolizing strict standards in product development, testing, and quality, safety for athletes of all levels and free of banned substances prohibited in sport
  • DELICIOUS FLAVORS UNLIKE ANYTHING ON THE MARKET - Mango Madness, Rainbow Sherbet, Blue Raspberry Ice, Glacial Grape, Freedom Ice, Watermelon Explosion, Italian Blood Orange, Lemon Lime Squeeze, Knockout Fruit Punch, Strawberry Kiwi Splash, Miami Ice, Black Cherry, Tropic Thunder, Smash Apple, and Pink Lemonade


Scivation Xtend BCAA Powder is a supplement that is free of sugars, carbohydrates, and even calories. It provides 7g of BCAAs with a 2:1:1 ratio that has been scientifically proven to aid athletes in muscle and strength growth. Its formula includes 3.5g of Leucine for muscle protein synthesis, 2.5g of L-Glutamate, and 1g of Citrulline Malate. With its carefully crafted blend, it fuels the body with electrolytes. Scivation Xtend BCAA Powder is suitable for use before, during, and after workouts.


Scivation Xtend BCAA Powder comes in 17 different flavors, including Strawberry Kiwi Splash, Blue Raspberry Ice, and Strawberry Mango. If you want the best amino acids for weight loss with a great taste, Scivation Xtend is a fantastic option.


Scivation Xtend BCAA Powder does not come with a warranty period.


RSP AminoLean - All-in-One Pre Workout, Amino Energy, Weight Management Supplement with Amino Acids, Complete Preworkout Energy for Men & Women, Watermelon, 30 (Packaging May Vary)
  • ALL-IN-ONE AMINO ENERGY & NATURAL WEIGHT MANAGEMENT- AminoLean was designed to be the most comprehensive amino acid weight management supplement for men and women available. We combined BCAAs & EAAs (essential amino acids) with a focus & energy blend and natural weight management ingredients to form the perfect amino energy supplement
  • ANYTIME ENERGY AND PERFORMANCE - Each serving of AminoLean contains 125mg of Caffeine from the natural source of Green Tea Extract. It is formulated to take as a Pre Workout powder, Post Workout or anytime for the perfect energy boost without a crash or jitters. You can take 1-3 servings to customize the amount of energy that's right for you
  • ESSENTIAL AMINO ACIDS FOR MUSCLE RECOVERY - Each serving of AminoLean contains 5g of Amino Acids, the perfect workout recovery supplement to help you recover faster and support lean muscle building. More complete than just regular BCAA powder, EAA powder contains everything your body needs to repair and build muscle
  • A COMPREHENSIVE, NATURAL WEIGHT MANAGEMENT SUPPLEMENT - A scientifically formulated blend of Conjugated Linoleic Acid (CLA), L-Carnitine Powder, Green Tea Extract, and Green Coffee Bean promote natural weight management to help maintain a lean physique year-round
  • ZERO SUGARS, CARBS, OR CALORIES - AminoLean has 0 sugars, 0 carbs and 0 calories; making it an extremely clean product for any diet. Additionally, it does not contain any gluten in its ingredients. *However there may be trace amounts, due to the environment it is processed in


RSP AminoLean is an all-in-one amino energy and natural fat burner formulated to be the most comprehensive amino acid weight loss supplement on the market. It combines BCAAs, EAAs, and natural weight loss ingredients to maximize its effectiveness as a workout supplement. Along with BCAAs, each serving contains 125mg of caffeine from green tea extract and 5g of essential amino acids to help with recovery and muscle growth. Best of all, AminoLean has 0 sugars, 0 carbs, and 0 calories.


RSP AminoLean comes in 9 different flavors, including Blackberry Pomegranate, Blue Raspberry, and Fruit Punch. The flavors resemble those of Kool-Aid and taste great even when mixed with just water.


RSP AminoLean does not come with a warranty period.

AMINO SLIM - Slimming BCAA Weight Loss Drink For Women, Vegan Amino Acids & L-Glutamine Powder for Post Workout Recovery & Thyroid Support | Appetite Suppressant, Metabolism Booster & Stress Relief
  • LOSE WEIGHT FAST, BOOST MOOD - What happens when you combine ultra-premium, fermented BCAAs & glutamine with clinically proven ksm-66 ashwagandha & satiereal saffron? You get the ideal drink mix shake for faster recovery, improved mood and quick fat loss
  • MADE FOR THE IDEAL LEAN BODY - Much more effective than regular weight loss shakes, Amino Slim serves a very specific purpose to suppress hunger daily & reduce sugar cravings
  • TONE IT UP - Getting (and keeping) a flat tummy has never been easier with the advanced science from RAW Synergies, whether you want to build lean muscle to get ripped, get skinny, or just stay fit our products are designed to make a difference
  • RELAXING NIGHT TIME WEIGHT LOSS - 100% Caffeine free, Amino Slim can be consumed any time of the day & given the relaxing properties of Ashwaghanda, many users take before bed to boost metabolism & aid sleep quality. Dr


Amino Slim uses a premium blend of fermented BCAAs and glutamine, ksm-66, ashwagandha, and satiereal saffron to deliver the supplement that will help you lose weight quickly and boost your mood as you go about achieving your fitness goals. With a shake of Amino Slim, you can also expect faster recovery, reduced sugar cravings, and boosted metabolism. This supplement is 100% caffeine free and can be taken at any time of the day. Many users take Amino Slim before bedtime, as the supplement not only increases metabolism but improves sleep as well.


Amino Slim comes in a tasty lemonade flavor that goes down easy and will not distract you from what is most important: your fitness goals.


Amino Slim does not come with a warranty period.


Best BCAA Capsules - Ranked #1 on Labdoor - Branched Chain Amino Acids Capsules, Vegan BCAA Pills for Men and Women 2:1:1 2100mg (90ct)
  • BEST BCAA CAPSULES: ***Ranked #1 in Quality by Labdoor.com*** Do Vitamins vegan BCAA capsules are the purest Branched Chain Amino Acids in the world! Shorten muscle recovery time after exercise and fuel your muscle growth.
  • BUILD MUSCLE AND REDUCE FAT: Do Vitamins Vegan Branched Chain Amino Acids support lean muscle tissue while dieting for healthy weight loss, resulting in less fat and more muscle! Natural Vegan BCAA pills are the perfect supplement for vegans and vegetarians or others who may not be getting enough complete protein in their diet.
  • FASTER MUSCLE RECOVERY: Along with preventing muscle breakdown, Do Vitamins BCAA capsules increase protein synthesis and support an anabolic environment in your body. Perfect for bodybuilding, pre workout, post workout, athletes, and those who deserve the very best.
  • PURE BCAA VEGAN SUPPLEMENT: Plant based 2:1:1 ratio of Ajipure essential BCAA L-Leucine, L-Isoleucine and L-Valine. We source the cleanest, most-studied ingredients to help you optimize your health and fitness. GMO-free, Gluten-free and Certified Vegan. Contains NO silicon dioxide, magnesium stearate, additives, harmful chemicals, fillers, flow agents, dyes, colors, artificial sweeteners, artificial flavors, “natural flavors,” preservatives or toxins.
  • 100% SATISFACTION GUARANTEED: If for any reason you aren't satisfied with your purchase simply send your bottle back within 30 days for a full refund!


Do Vitamin’s Best BCAA Capsules are an Amazon’s Choice product and have been ranked #1 in quality by Labdoor.com. These vegan capsules use pure BCAAs to quicken your recovery time after exercise and enhance your muscle development. This supplement is designed to help your body preserve and build lean muscle tissue as your body burns fat. It is made with a plant-based 2:1:1 ratio of Ajipure essential BCAA L-Leucine, L-Isoleucine, and L-Valine.


As this supplement comes in the form of capsules, it bypasses the usual taste issues that plague BCAA supplements that come in other forms, such as in powder. These capsules are tasteless and can be washed down with a glass of water.


Do Vitamin’s Best BCAA Capsules come with a 30-day satisfaction guarantee.



IdealLean BCAA for Women is a supplement that helps women maximize fat burn and lean muscle growth. It uses only the highest quality BCAAs in a 2:1:1 ratio, with a formula that also includes Phosphatidylserine, Tonalin CLA, Green Tea Extract, ThermoDiamine, L-Citrulline, L-Glutamine, and Coconut Water Powder. It is a formula that is primed to help you lose fat, and with the addition of coconut powder, it will even improve your hydration.


IdealLean BCAA for Women comes in six different flavors, including Grape Explosion, Green Apple, and Raspberry Lemonade. The taste of IdealLean BCAA for Women is overly strong but not unpleasant.


IdealLean BCAA for Women does not come with a warranty period.

Best BCAA Supplement, Unchained - Premium Branch Chained Amino Acids for Serious Athletes & Trainers. Delicious Pre Post & Intra Workout Drink Assist in Fat Loss Lean Mass & Recovery. (Fruit Punch)
  • PREMIUM FORMULA. Developed for serious athletes, trainers, and fitness enthusiast to help performance and recovery. We have unveiled our proprietary blend so you can know the exact amino ratios your body is getting! Hypertrophic Amino and Recovery Blend: 5,000mg L-Leucine: 1,500mg L-Isoleucine: 750mg L-Valine: 750mg L-Glutamine: 2,000mg (Some Containers may have old label, it's still the same great formula)
  • NEVER LOSE YOUR MASS! BCAAs are the building blocks of protein and the heart of muscle building. By flooding your body with these extra amino acids, you prevent muscle breakdown post workout! Stay anabolic at all times.
  • SHED THE WEIGHT, KEEP THE MUSCLE. Combined with proper training, BCAAs help you maintain your muscle mass when dieting. By dieting and training with BCAAs, you can be sure you are losing the fat, and not precious muscle mass.
  • EASY DIGESTION: Chizled Labz makes a delicious premium quality BCAA power that requires no digestion. Our amino power is absorbed into the bloodstream FAST. Nothing will spike your blood amino acid levels as fast as Chizled Labz BCAA powder.
  • CHIZLED GUARANTEE: 100% MONEY BACK If, For Whatever Reason, You Don't Absolutely Love Your BCAA Supplement, Just Return It, And We'll Refund Every Penny (Or Replace It, If There Is A Problem). GREAT SERVICE IS OUR PASSION!


Best BCAA Supplement, UNCHAINED is made with a premium formula that has been expertly developed with serious athletes, trainers, and fitness enthusiasts in mind. Its blend includes 5,000mg of a hypertrophic amino and recovery blend, 1,500mg of L-Leucine, 750mg of L-Isoleucine, 750mg of L-Valine, and 2,00mg of L-Glutamate. With this potent combination, you will stave away muscle breakdown as you go about your fat loss goals. This supplement will help you maximize the benefits you reap from proper dieting and training.


While Best BCAA Supplement, UNCHAINED is a highly effective product, its taste leaves something to be desired. It has a strong bitter taste that may require some time getting used to.


Best BCAA Supplement, UNCHAINED comes with a 100% money-back guarantee.

Bedtime Nocturnal Fat Burner - Nighttime Metabolism Booster- Amino Acids Source - Supports Metabolism While Sleeping - for Men & Women Made in USA by Amate Life
  • STIMULATES YOUR METABOLISM WHILE YOU SLEEP - Bedtime Workout supports your body to burn fat, lose weight, and recover energy levels during sleep. Only one pill (capsule) before bedtime will maximize your metabolism to burn fat while you sleep.
  • AMINO ACIDS IS THE KEY TO WEIGHT MANAGEMENT - The systematic supplementation of certain amino acids allows us to stimulate the body to produce enough fat-burning hormones in a natural manner and in harmony with the body's needs. Amino acids are at the basis of all life processes, as they are absolutely essential for every metabolic process.
  • WAKEUP RE-ENERGIZED - Bedtime Workout allows your body to keep working and burning fat, while still helping you have a good night sleep. You'll have a restful sleep and feel full of energy in the morning.
  • QUALITY GUARANTEED – We proudly manufacture all our products in the USA with the best NON-GMO ingredients.
  • 100% SATISFACTION GUARANTEED - We want you to be completely satisfied. If you are in any way dissatisfied we’ll refund your money. No questions asked.


Amate Life Bedtime Workout is a supplement that stimulates your metabolism as you sleep, triggering fat loss and energy recovery. It is full of amino acids that induce the body’s production of essential fat-burning hormones. Even when the night is through, Amate Life Bedtime Workout has plenty more to give. This supplement will help you wake up feeling energized and ready for your training ahead of you.

Amate Life Bedtime Workout is made in an FDA certified facility. It, along with all other products, are manufactured in the USA with the best non-GMO ingredients and only in FDA certified facilities.


Amate Life Bedtime Workout comes in the form of tasteless capsules that are easy and convenient to take. Unlike many powdered BCAAs, Amate Life Bedtime Workout does not present any issues with taste.


Amate Life Bedtime Workout comes with a 100% satisfaction guarantee.


RSP Liquid L-Carnitine 3000: Natural Weight Management and Metabolism Booster, Stimulant Free L Carnitine, Max Strength for Rapid Absorption, Berry 16 oz.
  • NATURAL, HEALTHY WEIGHT MANAGEMENT - L-Carnitine is a natural amino acid that has been shown to help facilitate the transfer of fatty acids in order to increase energy production, stimulate weight management, and preserve lean muscle during training.
  • PROVEN STIMULANT FREE METABOLISM BOOSTER - By helping convert fat to usable energy and enabling the body to use that energy as fuel, RSP Liquid L-Carnitine becomes a potent supplement that helps boost metabolism, enhance athletic performance, and reduce fatigue with no jitters and no stimulants.
  • COMPREHENSIVE LIQUID FORMULA FOR RAPID ABSORPTION - RSP Liquid L-Carnitine contains 3000mg of 100% pharmaceutical grade L-Carnitine, formulated for maximum potency and efficacy, ensuring comprehensive weight loss support, making it a safe alternative to typical weight management supplements.
  • 100% TESTED & GMP CERTIFIED - All ingredients in RSP Nutrition Liquid L-Carnitine are scientifically researched, tested, and manufactured in a GMP certified lab and contain no artificial colors, preservatives, or fillers.


RSP Liquid L-Carnitine 3000 delivers a healthy dose of L-Carnitine, a natural amino acid that has been scientifically proven to support the transference of fatty acids for increased energy production, quicker fat loss, and more effective lean muscle preservation. RSP Liquid L-Carnitine 3000 is a low-risk fat burner that directs your body to use its fat as an energy source. It is also a metabolism booster that improves athletic performance and minimizes fatigue without burdening you with the jitters that come from other stimulants on the market.

RSP Liquid L-Carnitine 3000 contains 3,000mg of 100% pharmaceutical grade L-Carnitine. It is a safe and effective alternative to typically used fat burners and diet pills. All of its ingredients have been tested and manufactured in GMP certified labs. This product contains no artificial colors, preservatives, or fillers.


RSP Liquid L-Carnitine 3000 comes in two great flavors: Berry and Peach Mango. Both flavors are similarly priced and taste fantastic. This is not a supplement that will leave you gagging, but rather a small treat that will aid your weight loss mission. It tastes especially delicious when mixed into juice.


RSP Liquid L-Carnitine 3000 does not come with a warranty period.

The Verdict: The Best Amino Acids for Weight Loss

During the reviewing process, two supplements stood out to us as being the top contenders for the best amino acids for weight loss.

The first is Natura BCAA Capsules (price rating: $$). As they come in the form of capsules, they are easy to take and leave no concern for matters of taste. This supplement is highly effective and made of pure BCAAs.

carrot doing an exercise

gif source: giphy

On top of that, it is more affordable than similar products on the market. Each bottle comes with 30 servings, and you will feel the benefits of each serving within thirty minutes of consumption. This is a fantastic choice for anyone looking to make use of amino acids in their weight loss regimen.The second supplement that most impressed us is Scivation Xtend BCAA Powder (price rating: $), which comes with a whopping 90 servings. This supplement is available in 17 different flavors, and they all taste fantastic – not too strong, yet sweet enough to be a light treat that is free of sugar, carbs, and calories.

 It is highly effective in triggering muscle protein synthesis and will help you preserve your lean muscle mass as you lose weight. If you are looking for a great deal for a great product, look no further than Scivation Xtend.

Featured Image from Pixabay


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