SKU: 18767607394

Core Nutritionals | Glutamine | 60 Servings

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Description

Core Nutritionals | Glutamine | 60 Servings5g straight L Glutamine. No secrets. Recovery without the BS. Core Nutritionals Glutamine keeps it simple with one ingredient: a full 5,000mg scoop of L Glutamine, no hidden blends, no extra stuff getting in the way. That's a smart move. Lots of products bury glutamine in fancy mixes or hype it up for muscle gains, but Core does it right: one thing, a solid dose, total honesty. L Glutamine is the most common conditionally essential amino acid in your

5g straight L-Glutamine. No secrets. Recovery without the BS.

Core Nutritionals Glutamine keeps it simple with one ingredient: a full 5,000mg scoop of L-Glutamine, no hidden blends, no extra stuff getting in the way. That's a smart move. Lots of products bury glutamine in fancy mixes or hype it up for muscle gains, but Core does it right: one thing, a solid dose, total honesty.

L-Glutamine is the most common conditionally essential amino acid in your body – that means your body makes it, but needs more during tough times. Think heavy workouts, long sessions, dieting, sickness, gut problems, or just pushing hard – that's when demand spikes. It acts as a big nitrogen mover and fuel for fast-growing cells, like those in your gut lining (enterocytes) and immune fighters (lymphocytes). That's why it's still a player in sports supps. Not for packing on muscle if you're healthy and eating right – studies show it's not great for that. But it shines for recovery during stress, keeping your gut barrier strong, and boosting immune function when training ramps up.

That 5,000mg dose is spot on – it's the low end of the 5g to 15g range from studies. No skimpy amount here. It's a real daily scoop for gut and recovery vibes. You probably won't feel a big rush like with caffeine or pump stuff. Glutamine's more low-key. What you'll notice is how it slots into your recovery routine

Key Highlights

  • 5,000mg L-Glutamine per scoop – that's a real dose hitting the start of the 5g to 15g research range. Not some weak add-on; it's solid for athletes grabbing glutamine to help recovery, gut health, and staying strong during intense training.
  • Just one ingredient – no mixes, no mystery amounts, no label tricks. You see exactly what's in every scoop, making it easy to check against studies and stack with your other stuff.
  • Based on a conditionally essential amino – glutamine's the most plentiful in your body, but you might need extra during killer stress or workouts. Adding it helps when training and recovery push harder than your body can handle alone.
  • Helps your gut where it counts – glutamine fuels enterocytes, the quick-turnover cells lining your intestines. Great for athletes whose stomach gets wonky from hard training, trips, or strict dieting.
  • Backs up immune-heavy training – glutamine gets used a ton by lymphocytes and other immune cells. Makes it a smart add when your workouts crank up the body stress.
  • Keeps it real on the science – glutamine's useful, but not for everything. Studies back it more for gut strength, immune help in stressed folks, and recovery in tough spots than for muscle or fat loss in healthy people.
  • No prop blend nonsense – tons of recovery supps hide glutamine in amino piles, so you can't tell if it's enough. Here, the full 5,000mg is right there, standing alone.
  • Stacks easy with protein, EAAs, BCAAs, and hydration gear – glutamine plays nice with branched-chain aminos and electrolytes for better recovery. Use it after workouts or between meals without clashing.

Who Is This For?

  • Bodybuilders in big volume phases racking up damage and fatigue. The 5,000mg L-Glutamine gives a easy daily boost that fits around their training and food without clashing with pre or pump stuff.
  • Endurance athletes putting in long runs, rides, or cardio that stresses the whole body. Glutamine's role in gut and immune support makes this a go-to when miles and time add up.
  • CrossFit and functional folks doing back-to-back intense workouts with short rest. A clear 5g glutamine scoop adds smart recovery when training gets dense and hits digestion or readiness.
  • Lifters cutting calories for a show or shoot. Hard dieting ramps stress and can make gut stuff iffy, and glutamine's a solid pick for those phases.
  • Athletes who like building their own stacks over mystery blends. This gives exact control: a research-level glutamine dose to pair with creatine, EAAs, hydration, or protein without extras.
  • People whose stomach gets shaky in heavy training, travel, or big eating phases. Glutamine fuels intestinal lining cells (enterocytes), so it matches that need.

How to Use

Mix 1 scoop with water, a shake, or drink once a day. Post-workout or between meals is usually best, but consistency beats perfect timing since glutamine isn't a stim with a tight window. If you're new to amino powders or have a touchy gut, try half a scoop first to check it out, but 5g is standard and works for most. Shaker's easiest for mixing, but a spoon in liquid does the trick. Empty stomach or with food – both fine, doesn't mess with how it works. Stacks awesome with protein, creatine, EAAs, BCAAs, and electrolytes since it covers different ground. No need to cycle, especially in tough training stretches where you want it steady. Keep it cool and dry with the lid on tight for best powder.

What to Expect

First 0-10 minutes: mix and down it easy, no stim kick, no big feel expected. 10-40 minutes in: still no rush, since L-Glutamine isn't for energy or pumps; it's about recovery processes, not instant vibes. First few days: it's all about easy routine – nailing that 5g daily without hassle. Days 1-7: slots right into your recovery flow, especially with high volume or diet stress. Weeks 2-4: shines in steady support for gut cells and immune recovery during heavy stress. This is background help, not front-line performance, and that's why the right person will dig it.

Key Ingredients

  • L-Glutamine — 5000mg — Clinically aligned glutamine support for recovery and gut resilience

Frequently Asked Questions

How much glutamine is in each serving of Core Nutritionals Glutamine?

Each scoop provides 5,000mg of L-Glutamine. That matches the low end of the clinically used 5g to 15g range, making it a legitimate standalone dose rather than a token amount hidden inside a blend.

Is 5 grams of glutamine an effective dose?

Yes. Five grams is a research-relevant serving and a common starting point for athletes using glutamine for gut support, recovery support, and resilience during physically stressful training phases.

Will Core Nutritionals Glutamine help build muscle?

Not directly in the way creatine or adequate total protein intake do. The evidence does not support glutamine as a strong standalone muscle-building ingredient in healthy athletes, but it can still be useful for recovery support, gut lining support, and immune-demanding training periods.

What does glutamine actually do in the body?

L-Glutamine is the most abundant conditionally essential amino acid in the body and is used heavily by gut lining cells and immune cells. It also plays a role in nitrogen transport and whole-body amino acid metabolism, especially when physical stress is high.

When should I take Core Nutritionals Glutamine?

Post-workout is a common and practical option, but the most important factor is daily consistency rather than exact timing. It can also be taken between meals, with a protein shake, or at another convenient time in your routine.

Can I stack this with creatine or protein?

Yes. Core Nutritionals Glutamine stacks very well with creatine monohydrate, whey or isolate protein, EAAs, BCAAs, and hydration formulas because it serves a different role and does not duplicate their primary mechanisms.

Will I feel anything right away from this formula?

Probably not, and that is normal. Glutamine is not a stimulant, nootropic, or pump ingredient, so its value is in consistent recovery-oriented support rather than an immediate buzz or performance sensation.

Does this product contain a proprietary blend?

No. This is a fully transparent single-ingredient formula with 5,000mg of L-Glutamine per serving and no proprietary blend hiding the dose.

Is this a good option during a cut or contest prep?

Yes, that is one of the more sensible use cases. During calorie restriction and hard training, recovery stress and digestive fragility often increase, and glutamine is often used to support those systems.

Do I need to cycle glutamine?

No standard cycling protocol is required. Since glutamine is an amino acid used for recovery support rather than a stimulant or hormone-active ingredient, it is generally used continuously during demanding training blocks.

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4.5 ★★★★★
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Ashlee
Lake Worth, US
★★★★★ 4
A Decent Fae Romance
Format: Kindle
** 3.5 Stars rounded up to 4 ** First off I want to say that I found the author, J. D. Linton, on TikTok right before the release of the sequel. I bought the first 2 books to support her release, so congrats to her for the release of the sequel! Overall, I liked the story & plot, I liked the characters, and I liked the spice. The downfalls: not enough development between the characters for the romance, and it leaned a little heavy into the tropes. A lot of stuff is told to you, which could have been used as devices to drive the plot and emotions of the characters. 🛑🛑 Mild Spoilers ahead, I tried to hide the obvious ones 🛑🛑 This is very obviously a fated mates, which is a trope I usually really enjoy. But I wish the relationship between Ara & Rogue had much more development before it's realized that they're mates, instead of Rogue knowing almost immediately and using it for nefarious purposes (at least in the beginning before they get to know each other). By revealing this within the first quarter of the book, I feel like it leaves less room for them to fall for each other organically (albeit with help from the mating bond) and they love each other because of the mating bond. I was disappointed as soon as Rogue know (literally only 5% in) and I literally made a note: "As much as II love a good mating trope, I wish we had to work for it a little more. Where's the fun in just telling us?" I believe that by holding out and feeding the reader snippets of a potential bond, it would've been more rewarding as a reader. I also wish there was more world building - we are told of a war between human & fae but don't get to really experience any of it. Ara is sheltered in her human home, then sheltered in Rogue's castle. There's bits and pieces about what the war has done on either side - but we're more told of the aftermath and don't really experience any of it. Ara's father is supposed to be the king's #1 general - yet he is at home with his family & with Ara for the first couple chapters. Her, her family, nor her village seem to be affected by the 10 year war going on on their borders. I wish there was a little more setup to make this conflict - an actual war - feel more than a skirmish between fighting territories. Linton could also be a little repetitive - with the biggest culprit being when Ara is upset she "brings [her] knees to [her] chest]" and either sits like that or cries. Every time she is upset this phrase is mentioned. I would get it if this was her crutch, or how she copes with grief and stress, but that should be explained why she does it so often or it becomes repetitive. I started to get annoyed with how often she would sit like this solely because it happens every couple chapters. However, I did really like the spice. I love an enemies to lovers trope, especially when it results in spicy scenes. The spicy scenes weren't anything new, but they were fun. Wish there were more but that could also just be me - there is no such thing as too much spice 😂 Would I read again? Probably not, I'm super picky with rereads. Although I did genuinely enjoy my first read through! Will I continue the series? Probably, at least for the sequel. As for #3, kind of depends on where I am with my TBR once that is released All in all an enjoyable, fast paced read
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Reviewed in the United States on March 8, 2024
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Ashton Taylor
Battle Creek, US
★★★★★ 3
I love indie authors
Format: Kindle
Let me preface this by saying—writing a book is HARD! Coming up with characters so real that they take on a life of their own, building an entire world, the political/magic system. Designing all of this is no easy feat. That being said. This book had so. Much. Potential. I was so excited to read this book, and I plan to finish it for the sake of finishing it. But. At this point, I would have set I’d aside as a DNF. The book could have benefited from some form of a developmental editor, or an in depth beta reader. I will say this. Within 5 chapters, there are so many… phrases that I’ve highlight that I’ve latched onto. Phrases about books and storms that were written BEAUTIFULLY! So, bravo Linton for hitting the nail on the head as to why readers disappear like they do! However, 5 chapters in and I can already guess where a majority of the story is going. But that’s also because I read like a mad-woman and have read this particular type of story, many different ways. Enemies to lovers where the FMC isn’t who she thinks she is. I am all about supporting indie authors. BUT. I also feel like criticism should be constructive, and not degrading. So if I could give this book a 4 1/2, strictly because I know the work the author put into this, I would. So if you’re looking for an easy read with characters that aren’t hard to follow, look no further! They are easy to love and easy to care for. One of the biggest issues they lacked, to me, was depth and plausible reactions to their situations. JD, you have done BEAUTIFULLY writing this book. I applaud and will continue to buy your books in the future. My BIGGEST recommendation is to definitely hire some form of an editor for any upcoming books. Or in turn, I will be happy to beta read for you. Should my opinion change of the book by the time I finish, I will happily get on here and say I was wrong, delete this review and post a different one. Until then…
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Reviewed in the United States on November 20, 2022
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Hannah Durham
Birmingham, US
★★★★★ 5
this book set my soul ablaze! <3
Format: Paperback, Format: Paperback
"i had never really cared about the weather before, but now, clear skies meant everything to me, and i was grateful to see another calm morning." this book. this book! i loved the last storm so much. the writing style. the descriptions. the world-building. the characters. the plot twists. the tropes. the sexual tension. the—everything. everything was magic. the last storm follows our two main characters, ara and rogue, giving us dual POV from both characters (which i loved, btw). ara, a human girl who has been locked away in her father’s estate most of her life, just wants to see the world. all she dreams of is seeing what else is out there. but when her father announces her engagement, she knows that dream will become nothing more than just that—a dream. rogue, the fae king, is tired of the attacks being rained down on his people. in hopes of finding out the human king adon’s secrets, rogue infiltrates auryna’s borders. in his last resort to gain information, he visits the local pub. to his surprise, the general’s precious only child is sitting at the bar, drink round after round of mead. now he just needs to figure out how to take her without anyone noticing. first and foremost, let’s talk about the endless list of my favorite tropes and aspects that this book had. ›› enemies to lovers ›› fated mates ›› one bed ›› the chosen one ›› elemental magic ›› actually good and shocking plot twists!!! ›› badass female lead ›› morally-grey love interest ›› fae/human war ›› force proximity ›› touch her and die ›› who did this to you? ›› captor/captive ›› praise k!nk (panting profusely) “you are entirely the opposite of everything that i am, and i would gladly wear your shackles if it meant i could have you.” it’s been a long while since i read a book i liked this much. but i just loved this book. it set my soul ablaze. thank you to the author for writing this beautiful story and for blessing me with an eARC! i loved it so much that i immediately bought the paperback upon release! every aspect of this book was just beautiful. i was blown away by the way the world was described, the way feelings were portrayed, the way the elements were used in the fae’s magic. it just—AHHH! i just absolutely adored it all. i cannot wait for the second book to release next year! also the way he calls her “little storm” sets my heart on fire. this was a fast-paced read and if you are a lover of acotar, fbaa, deal with the elf king, or any other similar books, then please stop everything you’re doing and read this book right now. you won’t regret it. thank you again, jd linton, for giving me the privilege of reading your arc and for blessing this world with the world you created. <3 "something about him pulled me in, like a moth to a flame, and it felt as if i was just waiting for the inevitable burn that came with flying too close to the fire."
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Reviewed in the United States on November 15, 2022
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Sean
Draper, US
★★★★★ 4
Fun, both heartwarming and heartbreaking
Format: Kindle
Only my second first person written selection, I am still getting used to that aspect, but unlike my first, I enjoyed that the story was told through both MCs. A great enemies to lovers, forced proximity, fated love etc, that resonated to me. There were some small twists that I could see coming, but also a few that I didn’t quite see until the characters were also seeing. Personally, I am more interested in the story than the spice, but with that said, it was well seasoned! I am kind of new to the spice world so I can’t say for sure how this would rate, but it definitely had some heat. I am very glad I happened across this author, and I do plan on also reading the next book….if nothing else, just to see for myself the “transformation” of the characters I’ve grown to love!
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Reviewed in the United States on May 23, 2024
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Havinne Akins
Phoenix, US
★★★★★ 5
😍😍 BEST DEBUT NOVEL EVER
Format: Paperback
I’m having trouble finding accurate words to describe the way this book made me feel, but I am going to do my best. To start off with basic elements, the character and world building are phenomenal. I feel a strong bond to not only the two main characters, Ara and Rogue, but to each and every character introduced throughout the book. The author did a stellar job of giving each of them unique personhood. All of the scenes are beautifully described. So much so that throughout the entirety of the book, I could see every scene: the towns, the castles, the meadows, the landscape. I have had difficulty with this and with distinguishing between outlying characters while reading in the past, but I did not have to think to remember details of world or character building because they flowed naturally within the story and were described well. I have read book series before that made me want to be a part of that world, but I actually felt like I got to step into Auryna and Ravaryn! The plot twists!! Although this is not a suspense novel, it still had me on a rollercoaster of emotions and on the edge of my seat from beginning to end. I haven’t cried actual tears over a book since I was in high school (and I’ve read a LOT). This book finally broke the floodgates in the final few chapters. Multiple times. And we love a good cliffhanger. It truly made me FEEL. THE SPICE is a solid 3.5/5. Some of the scenes had me flushed, some had me taking notes, some just had my jaw slack and my mouth hanging open. Bravo, JD Linton, bravo. The relationships: friendships, family, romantic, ALL of the relationships in this book have so much meaning. The author does a great job at making you feel the love, the anger, the peace, the frustrations, the safety, the familiarity, etc. between the characters. Ara and Rogue. I can not say enough and I also do not want to say too much. Just know that I feel like I know them both, to their core. I know what their childhood looks likes, their darkest moments, their biggest fears, their dreams and passions, what they want in life… The POV switches were seamless. I am so happy this author decided to let us see from both sets of eyes. I can not wait for book two after that cliffhanger. And there is SO much potential for at least one prequel, I can’t wait to see where this author goes! I hope this series continues and flourishes. Fingers crossed!
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Reviewed in the United States on December 5, 2022

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