Clean fuel for your workouts
Naturally flavored, gluten-free, sugar-free, non-GMO^ formula.
XS™ Muscle Multiplier*† – Watermelon
XS™ Muscle Multiplier*† – Watermelon
- $31.00
BUILD LEAN MUSCLE, INCREASE STRENGTH AND REDUCE BODY FAT*† – Experience more with XS Muscle Multiplier*† supplement, made with a unique blend of clinically studied Essential Amino Acids (EAAs) and L-Arginine to help you increase lean muscle while reducing body fat.*† No matter your fitness level, XS Muscle Multiplier*† makes every workout count.
† This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
*When combined with regular weight/resistance training and a healthy, balanced diet.
12 (7.4 g/0.3 oz.) Stick Packs
Boost lean muscle, power and strength*†
Daily use of XS™ Muscle Multiplier*† for 10 weeks is clinically proven to increase lean muscle mass, power and strength while reducing body fat and fueling muscle recovery when combined with regular resistance training and a balanced diet.† Powered by all 9 essential amino acids plus 320g of L-Arginine, each serving of XS™ Muscle Multiplier*† provides 4.1g of powerful essential amino acids with zero sugars and no artificial colors, flavors or preservatives.
- Provides all 9 EAAs plus 320 mg of L-Arginine.
- 4.1 g of EAAs with an optimized 5:1:1 BCAA ratio and over 40% more Leucine** to support muscle growth and recovery.*†
- Naturally flavored with zero sugar.
- Great-tasting Watermelon flavor comes in convenient, take-anywhere stick packs.
- Only 25 calories.
- Free of dairy, gluten and soy.
*When combined with regular weight/resistance training and a healthy, balanced diet.
**Compared with previous formula.
†This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.
^ Does not contain genetically engineered ingredients.
-
Lactose Free
-
Soy Free
-
Sugar Free
-
Dairy Free
-
No Artificial Flavors, Colors, Preservatives
-
Amway Promise™
-
Non-GMO
-
Caffeine Free
-
Gluten Free
| Supplement Facts | |||
| Amount Per Serving | % Daily Value* | ||
| Calories | 25 | ||
| Total Carbohydrate | 3 g | 1%* | |
| Total Sugars Includes 0 g Added Sugars |
0 g | 0% | |
| Sodium (as sodium citrate) | 35 mg | 2% | |
| Proprietary Amino Acid Blend (L-Leucine, L-Valine, L-Isoleucine, L-Lysine HCI, L-Arginine HCl, L-Threonine, L-Phenylalanine, L-Methionine, L-Histidine, and L-Tryptophan) |
4.1 g | † | |
| *Percent Daily Values are based on a 2,000 calorie diet. †Daily Value not established. |
|||
Ingredients: Citric Acid, Natural Flavors, Soluble Corn Fiber, Acesulfame Potassium and Sucralose.
-
NSF Content Certified
What are Essential Amino Acids and why do I need them?
Essential Amino Acids (EAAs) are called essential because the human body cannot produce them itself and must receive them through food or supplementation. EAAs are critical for healthy functioning bodies, a fifth of the human body is made from protein and amino acids are the building blocks of protein.
How does this product differ from Branch Chain Amino Acid (BCAA) supplements? Don’t BCAAs also help build lean muscle?
Branch Chain Amino Acids are three Essential Amino Acids (isoleucine, leucine and valine) but when taken alone, BCAAs will not help you build lean muscle. The fact is humans need all nine Essential Amino Acids (histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan and valine) found in XS™ Muscle Multiplier to help build lean muscle.*†
Are there environmental conditions that may adversely affect this product?
Heat, humidity, exposure to air and leaving the package open can affect the quality of the product. To ensure the best quality, the product should be stored in a cool, dry place.
Can you use this product after it has expired?
It is not advised to use the product after it has expired. Nutrients are not guaranteed to have the potency listed on the label beyond the expiration date. Flavor, aroma and appearance may no longer have the highest quality past the recommended shelf life.
Why is a signature and proof of age required for this product and not others?
New York law imposes the requirements for certain dietary supplements making “weight loss” or "muscle building" claims. Only those products making these claims require a signature and age verification upon delivery. For states with these mandates, products will also be charged an additional fee. This fee covers additional order handling costs and will be shown in your cart at checkout. LEARN MORE
*When combined with regular weight/resistance training and a healthy, balanced diet.
†This statement has not been evaluated by the Food and Drug Administration and is not intended to diagnose, treat, cure or prevent any disease.
Mix 1 stick pack with 237–296 mL (8–10 fl. oz.) of water. Stir and consume immediately. Consume 1–3 servings daily. Best taken before, during and after activity or in between meals. Can be taken on training and rest days to continue to support muscles. Store in a cool, dry place.
| Product | XS™ Muscle Multiplier™ | Optimum Nutrition®† Amino Energy | Transparent Labs®† Intra EAA |
| BCAA Ratio | 5.1.1 | 3.1.1 | 2.1.1 |
| No Artificial Colors & Flavors | ✓ | X | ✓ |
| Certifications | NSF Certified®†† | X |
†Optimum Nutrition® is a registered trademark of Glanbia Nutritionals Limited.
†Transparent Labs® is a registered trademark of 84401 Newfoundland & Labrador, Inc.
††NSF® is a registered trademark of NSF International.
Based on product label claims and online claims as of May 1, 2024.
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Why XS™ Muscle Multiplier*†?
Everything you need to build strength and stamina with none of the junk.
Clinically proven results
Shown to increase power, strength and endurance to improve your workout performance and support fat loss.*
Great tasting formula
Making gains never tasted so good. Try XS Muscle Multiplier*† in two refreshing flavors.
Clean fuel for your workouts
Naturally flavored, gluten-free, sugar-free, non-GMO^ formula.
Clinically proven results
Shown to increase power, strength and endurance to improve your workout performance and support fat loss.*
Great tasting formula
Making gains never tasted so good. Try XS Muscle Multiplier*† in two refreshing flavors.
Clean fuel for your workouts
Naturally flavored, gluten-free, sugar-free, non-GMO^ formula.
Clinically proven results
Shown to increase power, strength and endurance to improve your workout performance and support fat loss.*
Great tasting formula
Making gains never tasted so good. Try XS Muscle Multiplier*† in two refreshing flavors.
Third-party tested and NSF® Contents Certified
XS™ Muscle Multiplier*† amino acid supplement goes beyond leveraging science-based ingredients by ensuring the product has been clinically tested by a third party. XS™ Muscle Multiplier*† supplement is also Contents Certified by NSF International, a global organization dedicated to public health and safety. This ensures each serving provides peak performance amino acids.
† This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
* When combined with regular weight/resistance training and a healthy, balanced diet.
Third-party tested and NSF® Contents Certified
XS™ Muscle Multiplier*† amino acid supplement goes beyond leveraging science-based ingredients by ensuring the product has been clinically tested by a third party. XS™ Muscle Multiplier*† supplement is also Contents Certified by NSF International, a global organization dedicated to public health and safety. This ensures each serving provides peak performance amino acids.
† This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
* When combined with regular weight/resistance training and a healthy, balanced diet.
Third-party tested and NSF® Contents Certified
XS™ Muscle Multiplier*† amino acid supplement goes beyond leveraging science-based ingredients by ensuring the product has been clinically tested by a third party. XS™ Muscle Multiplier*† supplement is also Contents Certified by NSF International, a global organization dedicated to public health and safety. This ensures each serving provides peak performance amino acids.
† This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
* When combined with regular weight/resistance training and a healthy, balanced diet.
The Science Behind XS Muscle Multiplier
- What Muscle Multiplier™*‡
- Why amino acids are key.
- How the body gets Essential Amino Acids.
- How Muscle Multiplier helps build muscle & aid recovery.*‡
The Science Behind XS Muscle Multiplier
- What Muscle Multiplier™*‡
- Why amino acids are key.
- How the body gets Essential Amino Acids.
- How Muscle Multiplier helps build muscle & aid recovery.*‡
The Science Behind XS Muscle Multiplier
- What Muscle Multiplier™*‡
- Why amino acids are key.
- How the body gets Essential Amino Acids.
- How Muscle Multiplier helps build muscle & aid recovery.*‡
#XSProTips XS™ When to Take Muscle Multiplier
Angelica Councilman - XS Ambassador
#XSProTip XS™ How to Use Muscle Multiplier
Nate Dary – XS Ambassador
#XSProTips XS™ When to Take Muscle Multiplier
Angelica Councilman - XS Ambassador
#XSProTip XS™ How to Use Muscle Multiplier
Nate Dary – XS Ambassador
#XSProTips XS™ When to Take Muscle Multiplier
Angelica Councilman - XS Ambassador
#XSProTip XS™ How to Use Muscle Multiplier
Nate Dary – XS Ambassador
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- $31.00
XS™ Muscle Multiplier*† – Watermelon
XS™ Muscle Multiplier*† – Watermelon
Item #
126756
- 12 Stick Packs
- $31.00
Select
Flavor: Watermelon (12 Stick Packs)
-
Berry Blast (12 Stick Packs)
-
Watermelon (30 Servings)
-
Watermelon (12 Stick Packs)
-
Berry Blast (30 Servings)
BUILD LEAN MUSCLE, INCREASE STRENGTH AND REDUCE BODY FAT*† – Experience more with XS Muscle Multiplier*† supplement, made with a unique blend of clinically studied Essential Amino Acids (EAAs) and L-Arginine to help you increase lean muscle while reducing body fat.*† No matter your fitness level, XS Muscle Multiplier*† makes every workout count.
† This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
*When combined with regular weight/resistance training and a healthy, balanced diet.
Product details
12 (7.4 g/0.3 oz.) Stick Packs
Boost lean muscle, power and strength*†
Daily use of XS™ Muscle Multiplier*† for 10 weeks is clinically proven to increase lean muscle mass, power and strength while reducing body fat and fueling muscle recovery when combined with regular resistance training and a balanced diet.† Powered by all 9 essential amino acids plus 320g of L-Arginine, each serving of XS™ Muscle Multiplier*† provides 4.1g of powerful essential amino acids with zero sugars and no artificial colors, flavors or preservatives.
- Provides all 9 EAAs plus 320 mg of L-Arginine.
- 4.1 g of EAAs with an optimized 5:1:1 BCAA ratio and over 40% more Leucine** to support muscle growth and recovery.*†
- Naturally flavored with zero sugar.
- Great-tasting Watermelon flavor comes in convenient, take-anywhere stick packs.
- Only 25 calories.
- Free of dairy, gluten and soy.
*When combined with regular weight/resistance training and a healthy, balanced diet.
**Compared with previous formula.
†This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.
^ Does not contain genetically engineered ingredients.
-
Lactose Free
-
Soy Free
-
Sugar Free
-
Dairy Free
-
No Artificial Flavors, Colors, Preservatives
-
Amway Promise™
-
Non-GMO
-
Caffeine Free
-
Gluten Free
Ingredients
| Supplement Facts | |||
| Amount Per Serving | % Daily Value* | ||
| Calories | 25 | ||
| Total Carbohydrate | 3 g | 1%* | |
| Total Sugars Includes 0 g Added Sugars |
0 g | 0% | |
| Sodium (as sodium citrate) | 35 mg | 2% | |
| Proprietary Amino Acid Blend (L-Leucine, L-Valine, L-Isoleucine, L-Lysine HCI, L-Arginine HCl, L-Threonine, L-Phenylalanine, L-Methionine, L-Histidine, and L-Tryptophan) |
4.1 g | † | |
| *Percent Daily Values are based on a 2,000 calorie diet. †Daily Value not established. |
|||
Ingredients: Citric Acid, Natural Flavors, Soluble Corn Fiber, Acesulfame Potassium and Sucralose.
Certifications
-
NSF Content Certified
FAQs
What are Essential Amino Acids and why do I need them?
Essential Amino Acids (EAAs) are called essential because the human body cannot produce them itself and must receive them through food or supplementation. EAAs are critical for healthy functioning bodies, a fifth of the human body is made from protein and amino acids are the building blocks of protein.
How does this product differ from Branch Chain Amino Acid (BCAA) supplements? Don’t BCAAs also help build lean muscle?
Branch Chain Amino Acids are three Essential Amino Acids (isoleucine, leucine and valine) but when taken alone, BCAAs will not help you build lean muscle. The fact is humans need all nine Essential Amino Acids (histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan and valine) found in XS™ Muscle Multiplier to help build lean muscle.*†
Are there environmental conditions that may adversely affect this product?
Heat, humidity, exposure to air and leaving the package open can affect the quality of the product. To ensure the best quality, the product should be stored in a cool, dry place.
Can you use this product after it has expired?
It is not advised to use the product after it has expired. Nutrients are not guaranteed to have the potency listed on the label beyond the expiration date. Flavor, aroma and appearance may no longer have the highest quality past the recommended shelf life.
Why is a signature and proof of age required for this product and not others?
New York law imposes the requirements for certain dietary supplements making “weight loss” or "muscle building" claims. Only those products making these claims require a signature and age verification upon delivery. For states with these mandates, products will also be charged an additional fee. This fee covers additional order handling costs and will be shown in your cart at checkout. LEARN MORE
*When combined with regular weight/resistance training and a healthy, balanced diet.
†This statement has not been evaluated by the Food and Drug Administration and is not intended to diagnose, treat, cure or prevent any disease.
Use instructions
Mix 1 stick pack with 237–296 mL (8–10 fl. oz.) of water. Stir and consume immediately. Consume 1–3 servings daily. Best taken before, during and after activity or in between meals. Can be taken on training and rest days to continue to support muscles. Store in a cool, dry place.
Competitive Information
| Product | XS™ Muscle Multiplier™ | Optimum Nutrition®† Amino Energy | Transparent Labs®† Intra EAA |
| BCAA Ratio | 5.1.1 | 3.1.1 | 2.1.1 |
| No Artificial Colors & Flavors | ✓ | X | ✓ |
| Certifications | NSF Certified®†† | X |
†Optimum Nutrition® is a registered trademark of Glanbia Nutritionals Limited.
†Transparent Labs® is a registered trademark of 84401 Newfoundland & Labrador, Inc.
††NSF® is a registered trademark of NSF International.
Based on product label claims and online claims as of May 1, 2024.
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Shipped separately by truck and restricted due to size. Allow 3–6 weeks for delivery. Not available to all offshore locations, including Alaska, Hawaii, Guam, Puerto Rico, and the US Virgin Islands.For truck-shipped items, you may be asked to receive the merchandise at the rear of the truck, at which point the carrier’s delivery obligation is complete. It may be necessary for you to assist or move merchandise from the back of the truck into your home or office. A request for inside delivery is an extra cost service payable by you. A daytime telephone number is required so the carrier can schedule your delivery appointment and confirm arrangements with you.
Shipped separately by truck and restricted due to size. Allow 3–6 weeks for delivery. Not available to all offshore locations, including Alaska, Hawaii, Guam, Puerto Rico, and the US Virgin Islands.For truck-shipped items, you may be asked to receive the merchandise at the rear of the truck, at which point the carrier’s delivery obligation is complete. It may be necessary for you to assist or move merchandise from the back of the truck into your home or office. A request for inside delivery is an extra cost service payable by you. A daytime telephone number is required so the carrier can schedule your delivery appointment and confirm arrangements with you.