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NOW Foods L-Glutamine Pure Powder, 1-Pound

4.5 out of 5 stars 487 customer reviews
| 29 answered questions
About the Product
  • 100% Pure - Free Form
  • Supports Muscle Mass*
  • Vegetarian Product

Frequently Bought Together

  • NOW Foods L-Glutamine Pure Powder, 1-Pound
  • +
  • Optimum Nutrition Instantized BCAA 5000mg Powder, Unflavored, 345g
  • +
  • Optimum Nutrition Creatine Powder, Unflavored, 600g
Total price: $56.35
Buy the selected items together


Product Description

Size: 1 Lb

Glutamine has recently been the focus of much scientific interest.  A growing body of evidence suggests that during certain stressful times, the body may require more glutamine than it can produce.  Under these circumstances glutamine may be considered a “conditionally essential” amino acid.  Glutamine is involved in maintaining a positive nitrogen balance (an anabolic state) and also aids rapidly growing cells (immune system lymphocytes and intestinal cell enterocytes).  In addition, glutamine is a regulator of acid-base balance and a nitrogen transporter.*

Product Details

Size: 1 Lb
  • Product Dimensions: 6 x 5 x 4 inches ; 1.2 pounds
  • Shipping Weight: 1.2 pounds (View shipping rates and policies)
  • Domestic Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B0013OXEKK
  • UPC: 733739002211
  • California residents: Click here for Proposition 65 warning.
  • Item model number: 0221
  • Average Customer Review: 4.5 out of 5 stars  See all reviews (487 customer reviews)
  • Amazon Best Sellers Rank: #1,114 in Health & Personal Care (See Top 100 in Health & Personal Care)

Important Information

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Actual product packaging and materials may contain more and different information than what is shown on our website. We recommend that you do not rely solely on the information presented and that you always read labels, warnings, and directions before using or consuming a product. Please see our full disclaimer below.

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Size: 1 Lb Verified Purchase
I started having stomach problems about 3 years ago. Every morning I would wake up and feel nauseated and always have to have a bowel movement at least 3 times before I even left work. Slowly over time, I figured out that I was experiencing a form of IBS. So I started trying different remedies and treatments I found online to treat what I had.

I tried:
Gluten Free
Peppermint Oil
Kombucha & Asparagus Extract
Cutting Out Chewing Gum
Eliminating Dairy
Juice Fast
Aloe Vera Extract
No Nicotine
Cutting Energy Drinks
Starving Myself
Apple Cider Vinegar
Allergy Medicine

After 3 years I pretty much figured I'd have to live with the cramps all day and the constant need to go to the bathroom. I found an article from a forum from a woman that said she had cured her IBS and several people's IBS that she knew by using:

10-30 Grams L-Glutamine
15 Million Count Probiotics

I bought Now Foods Glutamine, and probiotics here on Amazon called "Pro-15"

I drank 15 grams of Glutamine, twice a day. And took 2 capsules of the Pro-15 probiotics. I started to see results within the first day. Slowly over the course of 2 weeks I felt completely healed. It's now been 2 months and I can safely say that I am cured. I'm starting to remember what it's like to have a normal digestive system again. I only have one bowel movement a day and I never have to rush to the bathroom, no matter WHAT I eat.

I'm still in disbelief that I'm actually normal again. I have my life back. I can finally go on trips, go out with friends, make plans to leave the house first thing when I wake up, and all without having to worry about whether or not there will be a bathroom nearby. I just want to say thank you to Now Foods for making a high quality Glutamine source. It literally changed my life
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Size: 1 Lb Verified Purchase
I suffered from Leaky Gut Syndrome for years. I finally stumbled upon a combination treatment of Fivelac, Udo' 8 probiotics, and L-Glutamine. I am cured! It took about 6 months to work, but after 20 years of suffering, I can now eat just about anything I want. I was off of corn, wheat, chocolate, cane sugar, coffee, and so much more. I was not a good dinner guest. Anyway I started with 5 lac and the probiotic. It was working, but soooo slow and I was dependent on the 5 lac. If I missed even a day, the symptoms would come back. After a couple of years, I read about the L-Glutamine and it made the difference. After about 6 months, I was able to let go of the five lac. I still take the L-Glutamine and the probiotics but if I miss a few days there seems to be not backlash. I will always take the probiotics because it is just a good practice for health, especially at my age - 63. Also, I recommend Source Naturals Digestive enzymes. So, when all my older friends are complaining that they can't eat spicy Mexican or Thai foods, or that they have developed lactose intolerance, etc, etc., I munch away. The combo of L-Glutamine (and I LOVE Now Brand anything), Udo's 8 probiotics, and Source Natural's Digestive enzymes is a small price to pay for having the digestion of a much younger woman.
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Size: 1 Lb Verified Purchase
Got it for my mother currently undergoing chemo and radiation, since l-Glutamine is recommended to help against chemo induced neuropathy. This is the second trip around on chemo, and the neuropathy was bad the first time. Much of the feeling still hasn't come back in her feet, and she lost a bit in her hands. Got this to slow the neuropathy down, just to hold it in check, but it looks like this is helping to reverse it since her hands are getting better while she is undergoing chemo. I didn't expect it to work so well, but it has well exceeded my expectations. The other big (unexpected) plus is the improvement in her esophagus which is allowing her to eat without taking numbing medication. I didn't realize this also helps repair digestive system damage, but I found that on further research. Great stuff for cancer patients undergoing chemo!
4 Comments 156 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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By slim5555 on December 21, 2012
Size: 1 Lb Verified Purchase
As usual NOW and Amazon delivers a great product at a great price I take this with L-carnitine tartrate in a little bit of water 20 minutes before my workout and what a difference it makes in terms of helping create more lean muscle mass, and yes I am a woman and not a body builder, just old broad who has very lithe youthful figure.
4 Comments 85 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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By Petls on October 24, 2012
Size: 1 Lb Verified Purchase
great for memory boost, mental alertness, and even some energy which we can all you - right? I highly recommend this product if you are foggy and cannot remember or having a hard time remembering things.
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Size: 1 Lb Verified Purchase
I have perioral dermatitis, not to mention other auto-immune disorders which is thought to be aggravated by a leaky gut. I take a T of this, kosher gelatin, and aloe vera gel in a smoothie very morning. Has definitely lessened my itchiness and outbreaks. It will take time to heal the gut, but so far so good!
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Size: 1 Lb Verified Purchase
I've only been using this along with Great Lakes Gelatin and some Colostrum, to healing my leaky gut. I have changed my diet and am also doing a varitation of the GAPS diet, but started drinking this before starting GAPS and have noticed my stomach getting better. I will continue to use this in my healing efforts along with the diet.
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Size: 1 Lb Verified Purchase
This is the one supplement I always have extras of.

1) Helps me sleep
2) Speeds muscle recovery after exercise.
3) Seems to improve smoothness in my skin
4) Remarkably effective at reducing joint and muscle pain from fibromyalgia flare-ups - three heaping tablespoons twice a day mixed in plain room temperature water does the trick. More effective than narcotics when combined with an anti-inflammatory diet.
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