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Description
Life Extension L-Glutamine 500mg, 100 Vegetarian CapsulesFuel your active lifestyleGlutamine is an amino acid your body uses for protein production. While its a must have among serious athletes, glutamine is a great option for anyone who leads an active lifestyle Gut healthy, immune strongGlutamine can be found in the blood, as well as stored in the skeletal muscles and liver, and in higher concentrations than any other amino acid. Its an important energy source for cells lining the gut and immune cells,
- Fuel your active lifestyle—Glutamine is an amino acid your body uses for protein production. While it’s a must-have among serious athletes, glutamine is a great option for anyone who leads an active lifestyle
- Gut healthy, immune strong—Glutamine can be found in the blood, as well as stored in the skeletal muscles and liver, and in higher concentrations than any other amino acid. It’s an important energy source for cells lining the gut and immune cells, making it critical for a healthy digestive tract and immune response.
- Antioxidant support—Regular body movement is terrific for whole-body health. But engaging in heavy exercise can affect glutamine levels, causing stress to the body. Our L-Glutamine formula helps support antioxidant defenses to maintain muscle health.
Glutamine is the most abundant free amino acid circulating in the blood as well as stored in the skeletal muscles. Glutamine is a diverse amino acid that is utilized in numerous vital functions.
It is necessary for rapidly dividing cells, including those of the gut and immune system. It is also used as an energy source in mitochondria,180 and is a precursor of the brain neurotransmitter glutamate.
Glutamine is also needed for optimal nucleotide biosynthesis and protein synthesis. Glutamine is an important fuel for some immune cells, such as lymphocytes and macrophages, that may have specific immunostimulatory effects.
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- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 3
Not what I received last time!
Size: 3.5"
I ordered this the first time and received a blue spiky squeak ball with LED lights when bounced. We loved this ball - its squeak was great, the bounce, durability, and flashing LED were perfect. Eventually the LED failed, but overall we loved this ball!!
So I ordered a second - this time I received a yellow spiky squeak ball (with an insanely loud obnoxious squeak!!) that has no LED light. It’s still a great ball and my dog loves it. But it’s not what I was looking for since we like to play with the ball at night and need it to light up.
Durability - 10/10, it’s very sturdy and feels like it will last a long time despite my dog being a heavy chewer. And my dog absolutely loves its obnoxious squeak!
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Reviewed in the United States on February 16, 2022
★★★★★ 5
My dachshund’s new favorite toy!
Size: 3.5"
My dachshund absolutely LOVES this toy! The squeak, the lights, and the texture keep her entertained for long stretches of time. She carries it around nonstop and goes crazy for it every time I bring it out.
It’s durable, fun, and definitely worth it if you have a playful pup who needs mental stimulation and something engaging. Highly recommend!
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Reviewed in the United States on November 20, 2025
★★★★★ 5
If you were looking for a sign to buy this, here it is
Color: A) Small 2.5" Ball
If you are looking for a ball that can stand up next to a heavy, aggressive chewer.. this is a good choice. Our Pitbull literally destroyed any and every toy that she gets with the exception of one kind of kong ball. She tore through the kong Frisbees, any kind of squeaker toy, and the wobble wag giggle ball (she usually always ends up destroying these but it takes a few weeks. Today she beat her record and had her brand new ball destroyed within the first 30 minutes of us taking it out of the box). But, this ball she has not been able to destroy. I'd like to believe that the Kong ball she has and this ball are made of the same material. Because they are the only balls she can't ruin. And it's not because of a lack of trying. We have watched her sit there and chew with a side of her mouth for an hour or more, trying to make some kind of indention or tear in it and it just never happened. She loves to chew this thing, chase this thing, sleep with this thing. I most certainly recommend this ball. If it is I'ah proof then it is most certainly, 100% a durable ball and worth every penny
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Reviewed in the United States on May 7, 2026
★★★★★ 5
Chew King Supreme Chew Toy
Color: B) Medium 3" Ball
So far, freaking amazing. This ball is awesome. I have a 90 lb American Bulldog. Like other reviews. Lot of " indestructible balls" lasted minimum time. Not this one. She even took it to bed with her
I bought the 3 inch ball, not the 4 inch ball. The 3 inch ball works amazingly for a large Dog. Yes the 4 inch would be better. So in my opinion, either ball would be fine.
As others also said. This ball keeps a active Dog busy for hours. Love to play catch. Love frozen peanut butter in it.
One last thing. The price is amazing. I don't see needing to buy another, unless it is lost, because this is made to last. We couldn't be happier.
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Reviewed in the United States on March 10, 2026
★★★★★ 5
Malinois proof
Color: B) Medium 3" Ball
So far this has held up great. My Malinois who has destroyed nearly every ball I’ve gotten her, this one has lasted over 3 weeks without a dent, compared to some that don’t even last a day lol. Although the medium size is a little too big for her liking she still plays with it. It’s very durable and I like the middle part for engagement as well. I would recommend if you have a dog who destroys every ball possible.
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Reviewed in the United States on May 8, 2026
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