20 Best Amino Acid Supplements For Weight Loss (2023 Updated)

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Amino acid supplements are often marketed as weight loss aids, but there is little evidence to support this claim. Amino acids are the building blocks of protein, and they play an important role in many body processes.

However, there is no evidence that taking amino acid supplements helps people lose weight or burn fat. In fact, some research suggests that amino acid supplements may actually increase appetite. If you’re looking to lose weight, it’s important to focus on healthy lifestyle habits like eating a balanced diet and getting regular exercise.

20 Best Amino Acid Supplements For Weight Loss

Product Image Product Name Features Price

Now Foods L-Carnitine Fitness Support Vegetarian Capsules, 500 mg – 180 count

  • Suggested Use.
  • Take 1 capsule 1 to 3 times daily.
  • Other Ingredients.

Do Vitamins BCAA Capsules Branched Chain Amino Acids 2100mg (90ct)

  • Important information.
  • Safety Information.
  • Indications.

Universal Nutrition Amino 1900 (300 Tablets )

  • 300 Tablets

IdealLean BCAA for Women Amino Acids Maximize Fat Burn & Lean Muscle Growth Aids

  • Raspberry Lemonade

Nutrakey – BCAA 1500 – 400 Capsules

  • 400 Caps

Evlution Nutrition LeanBCAA Fat Burner | Stimulant Free 30 Servings – Watermelon

  • Watermelon

Bodybuilding Signature L Carnitine Capsules Carnipure Amino

  • Metabolic Energizer and Fat Burner
  • Helps You Recover from Intense Exercise
  • Help Burn Fat as Energy

Pure Encapsulations BCAA – 250 Capsules

  • 250 Capsules

BodyHealth Perfect Amino 150ct Tablets – Uncoated – 12 Pack

  • 12 Pack

Now Foods Amino Complete Dietary Sipplement, Capsules – 360 count

  • 360 Capsules

Dr. Berg – Keto Essential Aminos – 150 Tablets

  • Whole-body muscle support.
  • Vitality and vigor.
  • Maintains normal cardiovascular function.

Now Foods L-Tyrosine – 4 oz Powder

  • Easy Mix.
  • High Grade.
  • Now Foods L-Tyrosine is easy to mix in water and requires swallowing no pills.

Mp Essentials BCAA, Capsules – 240 capsules

  • An Optimized BCAA Ready To Deliver.
  • Give you body what it”s been asking for.
  • Key Features.

Scivation Xtend Ripped, BCAA Fat Burner, Blueberry Lemonade, 30 Servings

  • Take your workout sessions to the next level with this muscle gain supplement
  • Its ingredients provide essential nutrition for a healthy physique

Beverly International Mass Amino Acids – 500 Tablets

  • Dietary Supplement.
  • 20 Calories Per Serving.
  • 5,000 mg Mass Amino Hydrolysate Blend Per Serving.

Universal Nutrition BCAA Pro – 100 Capsules

  • Branch Chained Amino Acid.
  • With Added Vitamin B6.
  • Dietary Supplement.

Bluebonnet Nutrition Amino Acids 1000 mg 90

  • 1000 Mg

Gaspari Nutrition HMB – 90 Capsules

  • Help Highly Trained Muscle Combat Protein Breakdown
  • Helps Muscle Growth
  • Promotes Enhanced Strength & Recovery
Now Foods L-Carnitine Fitness Support Vegetarian Capsules, 500 mg – 180 count
  • Suggested Use.
  • Take 1 capsule 1 to 3 times daily.
  • Other Ingredients.
Do Vitamins BCAA Capsules Branched Chain Amino Acids 2100mg (90ct)
  • Important information.
  • Safety Information.
  • Indications.
Universal Nutrition Amino 1900 (300 Tablets )
  • 300 Tablets
IdealLean BCAA for Women Amino Acids Maximize Fat Burn & Lean Muscle Growth Aids
  • Raspberry Lemonade
Nutrakey – BCAA 1500 – 400 Capsules
  • 400 Caps
Evlution Nutrition LeanBCAA Fat Burner | Stimulant Free 30 Servings – Watermelon
  • Watermelon
Bodybuilding Signature L Carnitine Capsules Carnipure Amino
  • Metabolic Energizer and Fat Burner
  • Helps You Recover from Intense Exercise
  • Help Burn Fat as Energy
Pure Encapsulations BCAA – 250 Capsules
  • 250 Capsules
BodyHealth Perfect Amino 150ct Tablets – Uncoated – 12 Pack
  • 12 Pack
Now Foods Amino Complete Dietary Sipplement, Capsules – 360 count
  • 360 Capsules
Dr. Berg – Keto Essential Aminos – 150 Tablets
  • Whole-body muscle support.
  • Vitality and vigor.
  • Maintains normal cardiovascular function.
Now Foods L-Tyrosine – 4 oz Powder
  • Easy Mix.
  • High Grade.
  • Now Foods L-Tyrosine is easy to mix in water and requires swallowing no pills.
Mp Essentials BCAA, Capsules – 240 capsules
  • An Optimized BCAA Ready To Deliver.
  • Give you body what it”s been asking for.
  • Key Features.
Scivation Xtend Ripped, BCAA Fat Burner, Blueberry Lemonade, 30 Servings
  • Take your workout sessions to the next level with this muscle gain supplement
  • Its ingredients provide essential nutrition for a healthy physique
Beverly International Mass Amino Acids – 500 Tablets
  • Dietary Supplement.
  • 20 Calories Per Serving.
  • 5,000 mg Mass Amino Hydrolysate Blend Per Serving.
Universal Nutrition BCAA Pro – 100 Capsules
  • Branch Chained Amino Acid.
  • With Added Vitamin B6.
  • Dietary Supplement.
Bluebonnet Nutrition Amino Acids 1000 mg 90
  • 1000 Mg
Gaspari Nutrition HMB – 90 Capsules
  • Help Highly Trained Muscle Combat Protein Breakdown
  • Helps Muscle Growth
  • Promotes Enhanced Strength & Recovery

1. Now Foods L-Carnitine Fitness Support Vegetarian Capsules, 500 mg – 180 count

Now Foods L-Carnitine Fitness Support Vegetarian Capsules, 500 mg - 180 count

  • Suggested Use.
  • Take 1 capsule 1 to 3 times daily.
  • Other Ingredients.

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Vitacost.com

Product Details

Specifications

Details
Units in Package 180
Directions Suggested Usage: Take 1 capsule 1 to 3 times daily. Store in a cool, dry place after opening.
Ingredients Other Ingredients: Cellulose (Capsule), Cellulose Powder, Magnesium Stearate (Vegetable Source) and Silica.
Warnings Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients. Produced in a GMP facility that processes other ingredients containing these allergens. Caution: For adults only. Consult physician if pregnant/nursing, taking medication, or have a medical condition (including thyroid disorder). Keep out of reach of children. Do not eat freshness packet. Keep in bottle.
Nutrition Facts
Serving Size 1 veg capsule

Reviews From Real Customers

Lemon

2. Do Vitamins BCAA Capsules Branched Chain Amino Acids 2100mg (90ct)

Do Vitamins BCAA Capsules Branched Chain Amino Acids 2100mg (90ct)

  • Important information.
  • Safety Information.
  • Indications.
  • For use as a dietary supplement.
  • Ingredients.

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Do Vitamins

Product Details

Specifications

Details
Flavor Unflavored

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Elisa T.
Chris H.
carlos l.

3. BodyHealth Perfect Amino 150ct Tablets – Uncoated

BodyHealth Perfect Amino 150ct Tablets - Uncoated

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BodyHealth.com

Product Details

Specifications

Details
Formulation Effervescent Tablet

4. Universal Nutrition Amino 1900 (300 Tablets )

Universal Nutrition Amino 1900 (300 Tablets )

  • 300 Tablets

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Product Details

Specifications

Details
Serving Size 3 Tablets
Calories 20
Protein 5 g
Vitamin B6 15 mg
Alanine 219 mg

5. IdealLean BCAA for Women Amino Acids Maximize Fat Burn & Lean Muscle Growth Aids

IdealLean BCAA for Women Amino Acids Maximize Fat Burn & Lean Muscle Growth Aids

  • Raspberry Lemonade

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Idealfit

Product Details

Specifications

Details
Maximum Weight 2 lb
Piece Count 1
System of Measurement U.S. Customary
Count Per Pack 1
Flavor Raspberry

Reviews From Real Customers

Jennifer
Laura
idealfit.com

6. Nutrakey – BCAA 1500 – 400 Capsules

Nutrakey - BCAA 1500 - 400 Capsules

  • 400 Caps

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Get Yok’d Sports Nutrition
A1Supplements.com

Product Details

Specifications

Details
Activity Stage Intra-Workout
Multipack Quantity 1
Fitness Goal Build Muscle
Assembled Product Weight 1 lbs

Reviews From Real Customers

namahc1933
tigerfitness.com
exiverence1

7. Evlution Nutrition LeanBCAA Fat Burner | Stimulant Free 30 Servings – Watermelon

Evlution Nutrition LeanBCAA Fat Burner | Stimulant Free 30 Servings - Watermelon

  • Watermelon

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Bodybuilding.com
Evlution Nutrition

Product Details

Specifications

Details
Vitamin u0026 Supplement Type Energy Supplements
Count Per Pack 0
Body Part Body
Assembled Product Weight 0.655 oz

Reviews From Real Customers

Diaz
Wedgylx
Ericronely

8. Bodybuilding Signature L Carnitine Capsules Carnipure Amino

Bodybuilding Signature L Carnitine Capsules Carnipure Amino

  • Metabolic Energizer and Fat Burner
  • Helps You Recover from Intense Exercise
  • Help Burn Fat as Energy

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eBay – yabba_dabba_d00
Bodybuilding.com

Product Details

Specifications

Details
ENERGY BOOSTER L
TACKLES MUSCLE BREAKDOWN L

Reviews From Real Customers

Mark1 T.
angie.d
Legz422

9. Pure Encapsulations BCAA – 250 Capsules

Pure Encapsulations BCAA - 250 Capsules

  • 250 Capsules

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Forrest Health
Welltopia Pharmacy

Product Details

Specifications

Details
Primary Ingredient BCAA
Count Per Pack 250
Multipack Quantity 1
Body Part Body

Reviews From Real Customers

Kitlife
Rosario C.

10. BodyHealth Perfect Amino 150ct Tablets – Uncoated – 12 Pack

BodyHealth Perfect Amino 150ct Tablets - Uncoated - 12 Pack

  • 12 Pack

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Product Details

11. Now Foods Amino Complete Dietary Sipplement, Capsules – 360 count

Now Foods Amino Complete Dietary Sipplement, Capsules - 360 count

  • 360 Capsules

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Swanson Health Products
iHerb

Product Details

Specifications

Details
Allergens Not manufactured with wheat, gluten, egg, fish, shellfish or tree nut ingredients. Produced in a GMP facility that processes other ingredients containing these allergens. Contains milk and soy.
Rich Ingredients Hypromellose (cellulose capsule), Hydroxypropyl Cellulose, Stearic Acid (vegetable source) and Silicon Dioxide.
Ingredients Hypromellose (cellulose capsule), Hydroxypropyl Cellulose, Stearic Acid (vegetable source) and Silicon Dioxide.
Nutrition Claim Non GMO
Nutrition Claim Halal

12. Dr. Berg – Keto Essential Aminos – 150 Tablets

Dr. Berg - Keto Essential Aminos - 150 Tablets

  • Whole-body muscle support.
  • Vitality and vigor.
  • Maintains normal cardiovascular function.
  • Enters the bloodstream in just 23 minutes.
  • 99% amino acid utilization, meaning your body uses almost all of it. No other form of protein comes close.

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Walmart – Dr. Berg Nutritionals
Dr. Berg’s Store
eVitamins.com

Product Details

Specifications

Details
Expires February 28, 2025
Total Weight 0.44 lbs (0.20 kg)
Package Format 150 Tablets
Origin Made In USA

Reviews From Real Customers

Tara M
Heather M
Jose

13. Now Foods L-Tyrosine – 4 oz Powder

Now Foods L-Tyrosine - 4 oz Powder

  • Easy Mix.
  • High Grade.
  • Now Foods L-Tyrosine is easy to mix in water and requires swallowing no pills.

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HerbsPro.com

Product Details

Specifications

Details
Formulation Powder
Main Purpose Brain & Nervous System Health
Ingredients L-Tyrosine
Active Ingredients L-Tyrosine
When to Take between meals

14. Mp Essentials BCAA, Capsules – 240 capsules

Mp Essentials BCAA, Capsules - 240 capsules

  • An Optimized BCAA Ready To Deliver.
  • Give you body what it”s been asking for.
  • Key Features.
  • Perfect For Before, During and After Training.
  • 6 Grams of BCAAs.

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Swanson Health Products
Health Central USA
Rehab Store

Product Details

Specifications

Details
Units in Package 240
Directions Suggested Use: Take one serving (8 capsules) of MusclePharm BCAA before, during, or after training. Use as part of a healthy diet and exercise program. Storage: Store at room temperature. Exposure to heat, light or air have negative effects related to product quality. Therefore keep out of direct light or heat. Keep sealed when not in use.
Warnings Allergen Warning: This product was produced in a facility that may also process ingredients containing milk, eggs, fish, shellfish, tree nuts, peanuts, wheat and soybeans. This product is only intended for use by healthy adults over 18 years of age. Consult your physician before using this product if you are taking any prescription or over the counter medications or supplements. Do not use this product if you are pregnant, expect to become pregnant or are nursing. Do not use this product if you are pregnant, expect to become pregnant or are nursing. Do not use this product if you are at risk or are being treated for any medical condition or if you are taking a MAO inhibitor., Keep out of reach of children.

15. Scivation Xtend Ripped, BCAA Fat Burner, Blueberry Lemonade, 30 Servings

Scivation Xtend Ripped, BCAA Fat Burner, Blueberry Lemonade, 30 Servings

  • Take your workout sessions to the next level with this muscle gain supplement
  • Its ingredients provide essential nutrition for a healthy physique
  • The powder formula helps to replenish muscles during exercise

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GNC
DPS Nutrition

Product Details

Specifications

Details
Gender Unisex
Age Group Adult
Weight 1.1 lbs

Reviews From Real Customers

Tgt2
Alena
Dschreiver

16. Beverly International Mass Amino Acids – 500 Tablets

Beverly International Mass Amino Acids - 500 Tablets

  • Dietary Supplement.
  • 20 Calories Per Serving.
  • 5,000 mg Mass Amino Hydrolysate Blend Per Serving.
  • Mass Amino Acids by Beverly International possess an amino nitrogen to total nitrogen of at least 0.31.

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AllStarHealth.com
DPS Nutrition

Product Details

Specifications

Details
Serving Size 4 Tablets
Servings Per Container 125

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Maxim1975
Paul R.

17. Universal Nutrition BCAA Pro – 100 Capsules

Universal Nutrition BCAA Pro - 100 Capsules

  • Branch Chained Amino Acid.
  • With Added Vitamin B6.
  • Dietary Supplement.
  • End your workout with BCAA Pro from Universal Nutrition to start rebuilding muscle and protein.

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AllStarHealth.com
Forza Sports

Product Details

Specifications

Details
Serving Size 2 Capsules
Servings Per Container 50
Vitamin B6 (as pyridoxine HCl) 2 mg
Leucine (as L-leucine) 500 mg
Isoleucine (as L-isoleucine) 250 mg

Reviews From Real Customers

Relaxncoffee

18. Bluebonnet Nutrition Amino Acids 1000 mg 90

Bluebonnet Nutrition Amino Acids 1000 mg 90

  • 1000 Mg

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Vitacost.com
KosherVitamins.com
PureFormulas.com

Product Details

Specifications

Details
Multipack Quantity 1
Count Per Pack 90
Form Caplets
Assembled Product Weight 0.95 oz
Assembled Product Dimensions (L x W x H) 1.00 x 1.00 x 1.00 Inches

19. Gaspari Nutrition HMB – 90 Capsules

Gaspari Nutrition HMB - 90 Capsules

  • Help Highly Trained Muscle Combat Protein Breakdown
  • Helps Muscle Growth
  • Promotes Enhanced Strength & Recovery
  • 1,000mg Of HMB (per serving)

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Muscle & Strength

Product Details

Specifications

Details
Count Per Pack 90
Multipack Quantity 1
Body Part Body
Assembled Product Weight 0.3050 oz

20. Beverly International Density 150 Tablets What Anyone

Beverly International Density 150 Tablets What Anyone

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Silverback72

Best Amino Acid Supplements For Weight Loss Buying Guides

Amino acids and weight loss

Amino acids are the building blocks of protein and are essential for the body to function properly. Amino acids can be found in food sources such as meat, fish, eggs, dairy, and beans, or they can be taken as supplements.

When it comes to weight loss, amino acid supplements can be beneficial in helping to preserve muscle mass while losing fat. Additionally, amino acids can help to boost metabolism and reduce appetite.

However, it is important to note that amino acid supplements should not be the only focus of a weight loss plan, but rather, they should be used in conjunction with a healthy diet and exercise program.

The benefits of amino acid supplements

Amino acid supplements can offer a variety of benefits for people who are looking to lose weight. First, they can help to increase the body’s metabolism, which can lead to more calories being burned and more weight being lost.

Additionally, amino acid supplements can help to reduce the appetite, which can lead to fewer calories being consumed and more weight being lost. Finally, amino acid supplements can help to preserve muscle mass, which can be lost when trying to lose weight.

The best amino acids for weight loss

There are many different types of amino acid supplements on the market, and it is difficult to determine which one is the best for weight loss. Some of the more popular amino acids that are marketed for weight loss are L-carnitine, L-glutamine, and L-tyrosine.

However, there is no scientific evidence to support the use of any of these amino acids for weight loss.

How to take amino acid supplements

Amino acid supplements can help promote weight loss by helping to build lean muscle mass and by reducing body fat. The best way to take amino acid supplements is to take them with a meal or snack that contains protein.

The side effects of amino acid supplements

Amino acid supplements have a range of side effects, including weight loss. Some people may experience diarrhea, constipation, bloating, gas, and cramps. Others may experience nausea, vomiting, headache, dizziness, or trouble sleeping.

In rare cases, people may have an allergic reaction to amino acid supplements.

The risks of amino acid supplements

Amino acid supplements have been advertised for weight loss, but there is no scientific evidence to support these claims. In fact, taking amino acid supplements can be dangerous. Amino acids are the building blocks of protein, and they are essential for many bodily functions.

However, the body can only use a certain amount of protein at any given time. When amino acid supplements are taken in large doses, they can cause an imbalance in the body and lead to serious health problems.

The bottom line on amino acid supplements

The bottom line on amino acid supplements for weight loss is that they can be helpful, but they’re not a magic bullet. If you’re looking to lose weight, you’ll need to make sure you’re eating a healthy diet and getting enough exercise.

Taking amino acid supplements can help you reach your goals, but they’re not going to do the work for you.

FAQs about amino acid supplements

Amino acids are the building blocks of protein and are essential to human health. Amino acid supplements are often marketed as a weight loss aid, as they are thought to help promote muscle growth and fat burning.

However, there is little scientific evidence to support these claims. While amino acid supplements may help you build muscle mass and lose fat, they are unlikely to have a significant effect on your weight unless you are also following a healthy diet and exercise program.

Conclusion

Amino acid supplements are not likely to cause weight loss. The amino acids in these supplements are not metabolized in the body to produce energy, so they are not likely to promote weight loss. In addition, amino acids are not stored in the body, so they are not likely to contribute to weight gain.

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