GNC Pro Performance L-Glutamine Powder 5000 mg - 80 Servings - 0.88 lbs, 400 gm (Unflavored)

Special Price ₹1,429

Estimated delivery by Wed, Dec 08

GNC Pro Performance L-Glutamine 5000 mg 

Key features 

  • Each serving of GNC Pro Performance L-Glutamine delivers 5 g of high quality L-Glutamine 
  • Key amino acid for muscles and fuels immune system 
  • GNC L-Glutamine helps increase muscle mass and enhances exercise performance 
  • GNC Pro Performance L-Glutamine is tested and certified Banned Substance Free.

Product Description 

GNC Pro Performance L-Glutamine is one of the top selling glutamine supplements in India. It provides key amino acids for muscles and fuels the immune system. Each serving provides 5 g of glutamine. Glutamine is involved in protein synthesis and also plays an important role in maintaining nitrogen balance in the body. 

It is lactose and gluten free to blend easily with your favorite beverage and give you all the benefits. GNC L-glutamine supplements help maintain glutamine levels that can be depleted due to intense workouts. 


With GNC you get the promise of quality and potency. Include GNC Pro Performance L-Glutamine in your fitness routine to give it that extra edge. It is helpful in maintaining and boosting your immunity, works as a fuel for intestinal cells, and protects from glutamine deficiencies as well. If you want to improve your muscle mass and want to enhance your exercise performance, then GNC L-Glutamine will be the perfect addition. 


  • GNC Pro Performance L-Glutamine helps with protein synthesis and plays a pivotal role in maintaining body’s nitrogen balance
  • Serves as a fuel for the immune system
  • Helps in maintaining proper intestinal function 
  • Doing high intensity workouts for an extended period of time can cause glutamine deficiency in the body which can be replenished with GNC L-Glutamine supplements 
Nutritional Information

Serving size – 1 scoop (5 g)

Servings per container – 80 

Nutrients  Quantity/Serving  %RDA
Energy 0 kcal 0%
Carbohydrates 0 g **
Sugar 0 g **
Protein 0 g 0%
Fat 0 g 0%
Other Ingredients
L-Glutamine 5000 mg **

* %RDA values established as per ICMR guidelines

** %RDA values not established

Who can consume GNC Pro Performance L-Glutamine?

GNC Pro Performance L-Glutamine supplement is ideal for people who are looking to improve their muscle mass and strength. It is also suitable for professional athletes, bodybuilders, and weightlifters. 

When and how to consume GNC L-Glutamine supplement?

As a dietary supplement, mix one scoop (approximately 5 g GNC L-Glutamine with your favorite beverage or smoothie and have it twice a day. It is recommended that for best results you take L-Glutamine supplements post workout. 

Where to buy GNC Pro Performance L-Glutamine?

Whether you’re looking for L-Glutamine supplements or any other health and fitness supplements like whey protein, mass gainer, or multivitamins, offers complete solutions on a single portal. All your fitness needs sorted in just a few clicks. You can easily read customer reviews and ratings, get amazing deals and discounts, and get 100% genuine and authentic GNC products delivered right at your doorstep with complete safety. 

Frequently Asked Questions (FAQs)

Q. What is L-Glutamine and how does it work for the body?

A: L-Glutamine is an amino acid that plays an important role in protein synthesis in the body. Amino acids are known to be the building blocks for protein and are so important for various other functions in the body. L-Glutamine can be taken orally to improve your overall health, power up your intense workouts, and recover from injuries and illnesses. Glutamine is involved in protein synthesis and plays an important role in hydrating muscle cells. Intense exercise can contribute to the depletion of muscle glutamine stores by increasing the release of glutamine from muscle cells. Glutamine is the preferred fuel source for intestinal cells and is important for maintaining proper intestinal structure, integrity and function, including absorption. 

Q. Can I get glutamine through natural food sources?

Glutamine is the most abundant amino acid found in the body and exists in two forms – L-Glutamine and D-Glutamine. You can get glutamine through natural food sources. The largest amount is found in animal products due to their high protein content. The best sources of glutamine are – eggs, beef, skimmed milk, corn, tofu, and white rice. 

Q. What are the advantages of taking GNC Pro Performance L-Glutamine supplement?

There is a common misconception that people believe in about L-Glutamine supplements. Most people don’t know its importance, while some others believe that if they are consuming whey protein then there isn’t any need to include L-Glutamine supplements. A whey protein and L-Glutamine supplements work very differently and it is best that you consult your trainer and doctor and then include a good quality glutamine supplement to get all the benefits. Some of the main advantages of consuming GNC Pro Performance L-Glutamine on a regular basis are – it is important for the immune system, it is a fuel for red blood cells and intestinal cells, has a positive effect on muscle gain, improves exercise performance, and decreases muscle soreness and fatigue after intense workouts. 

Q. Should I take GNC Pro Performance L-Glutamine as a pre workout supplement or post workout supplement?

A lot of people start taking supplements without knowing what is the best time to take them. While some supplements work best when consumed as pre-workout supplements, others deliver great results when you consume them after workout or before bedtime. 

The best time to take GNC L-Glutamine supplement is post workouts. When your body suffers an injury or goes through intense workouts, the glutamine levels are depleted, that’s why it is important to replenish L-Glutamine in your body. Glutamine is a conditionally essential amino acids. Glutamine is an important fuel for red blood cells and also for some intestinal cells. It is also helpful in maintaining your immunity. So if you want to maintain your immunity and give your muscles a little something extra for recovery after strenuous workouts, then it is best to have L-Glutamine supplements. 

Q. Is L-Glutamine supplement safe? Are there any side effects? 

Although all GNC supplements are completely safe but we always recommend that you consult your doctor before including any new supplement in your routine. Also to avoid any allergic reactions or side effects, do not exceed the mentioned dosage on the package. Some of the side effects of L-Glutamine are – hives, rashes, blood in urine, lightheadedness, cold hands and feet, difficulty in swallowing, pain and swelling in arms or legs etc. 

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