Withanly

Withanly · L-Glutamine

4.7 · 144 reviews

The leg day soreness
that lingers into Thursday
— it doesn't have to.

300 g unflavoured powder · 60 servings · 5 g per scoop

You hit the gym Monday, sat sideways on the toilet Tuesday, walked downstairs sideways Wednesday — and the workout you wanted to do Thursday got pushed to Friday. Five grams in your morning water, every day. The most-abundant amino acid in your muscle, in the form your post-training body keeps quietly running out of.

Five grams in my morning water. Recovery noticeably better.
Wim, pre-launch tester

Pre-launch tester feedback. Individual results vary.

Withanly L-Glutamine tub on cream linen

Bottle, label, capsule, and packaging appearance may vary slightly from images shown.

  • Pharmaceutical-grade L-glutamine · 5 g per scoop
  • Unflavoured · vegan · no fillers · no additives
  • Bottled in the USA · GMP-certified facility
  • 30-day money-back guarantee — no return required
4.7 · 144 reviews · 94% recommend

Free US Shipping · 30-day money-back guarantee

Small batch — bottled this month, shipped while fresh

Free US Shipping · Ships from US warehouse · US orders only

The formula

Six things to know about what's in the bottle.

  • Organic ashwagandha root, 650mg
  • Black pepper for absorption
  • Vegan pullulan capsule
  • Third-party tested
  • No fillers or flow agents
  • Bottled in the USA, GMP-certified

A quieter system

Three ways the shift shows up.

Less Tuesday-soreness from Monday's gym.

Recovery

Less Tuesday-soreness from Monday's gym.

Heavy training drains your glutamine pool, and the body uses it to rebuild muscle. Refilling the tank is one of the cheapest, most boring recovery moves in sport.

The fuel your stomach lining runs on.

Gut

The fuel your stomach lining runs on.

The cells that line your gut burn glutamine first. If you train hard and have a stomach that doesn't always cooperate — this is two birds, one scoop.

Boring. Foundational. Cheap.

Basic

Boring. Foundational. Cheap.

No fancy patented form, no neon marketing. Just one of the most-used base ingredients in sports nutrition — for the people who actually train.

Complete your stack

Pairs well with L-Glutamine

A few SKUs people who buy this one tend to grab alongside it. Verified stacks — no upsell tricks.

The whole ritual.

Top-down editorial breakfast scene with the Withanly bottle, a soft-boiled egg, a slice of sourdough, and a glass of water with a single capsule beside it on a sunlit cream linen runner

01

Take with breakfast & dinner

One capsule, twice a day, with water. No timing dance, no stimulant cycling.

Hands cradling a ceramic mug of golden chamomile tea on an oak table beside an open journal and a small paper calendar with days ticked off in sage-green ink

02

Calm builds quietly

Most people notice a steadier daytime baseline within 7–10 days — not a hit, a settling.

Unmade linen bed with a wooden nightstand holding the Withanly bottle, an analog alarm clock showing 6:50, a glass of water, and a folded book — peaceful pre-alarm morning light

03

Sleep arrives easier

By week 3–4, the 3am wake-up softens. You’ll know it’s working when you stop noticing the time.

What's inside

The label is the whole story.

Every ingredient, the form we use, the dose per serving, the mechanism that makes it relevant, and the peer-reviewed study that backs it.

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

What the research says

Reviewed. Trialled. Documented.

Peer-reviewed human trials on the active ingredients that anchor what people feel.

Current Opinion in Clinical Nutrition and Metabolic Care · 2017

Glutamine and the regulation of intestinal permeability

Review of L-glutamine across intestinal-permeability and gut-barrier research.

Read the study

Nutrients · 2019

L-glutamine supplementation in exercise — a systematic review

Review of L-glutamine across recovery and exercise-performance research endpoints.

Read the study

Frontiers in Immunology · 2019

Glutamine and immune function

Review of L-glutamine across immune-cell function and recovery research.

Read the study
Third-party tested by an ISO 17025 lab. Every batch.
Download Certificate of Analysis

Cited studies were conducted on the active ingredients in this product. Individual responses vary. These statements have not been evaluated by the Food and Drug Administration.

Try without risk

30 days. Jar empty or half-full. Your call.

Try this for a full month. If it isn't what you were looking for — even with an empty bottle — write us within 30 days of delivery and we'll refund the order. No return required. Email us — we'll process the refund, the bottles stay with you. No restocking fee, no return shipping, no “are you sure?” forms.

Reach contact@withanly.com — average refund response under twelve hours.

Verified buyer reviews

Quiet shifts, in their own words

4.7

144 reviews

5
109
4
26
3
6
2
2
1
1

94%

would recommend

Real reviews only

Real verified-buyer reviews coming as orders land.

Be one of the first to leave a review after you try it — and we'll send you $5 off your next order as thanks.

Email us when you're ready to review →

What people taking L-Glutamine are saying

Real users. Real threads. Source-linked.

These quotes are from users of products containing L-Glutamine not Withanly— sourced from public Reddit and Quora threads. Click the source link below each quote to read the original in context. Quotes have had competitor brand names removed for legibility; nothing else is edited.

L-Glutamine

u/StringAndPaperclips · 20 upvotes · 2025-02-23
Reddit
Be aware that not everyone tolerates glutamine, and it can worsen mental health issues in susceptible people. This has to do with how well the body processes it and how well the body makes and uses GABA vs glutamates. Nothing is a cure all and it is important to always proceed with caution. Also this sub is dedicated to Somatic Experiencing, which is a form of trauma therapy. While I do believe that nutrition and supplements go a long way to supporting and maintaining mental health, if a person is experiencing PTSD, there is no substitute for effective therapy.
Read the original
u/Independent-Bug-9352 · 12 upvotes · 2023-11-02
Reddit
I can't speak for any of the other benefits, but I'll note #3: Digestive Health. In my research to improve my mom's GI health (cholecystectomy, celiac disease, chronic diarrhea, poor nutrition uptake, etc.), L-Glutamine kept popping up with a fair amount of research supporting it and it being advised by GI specialists. Because of that, 5-10g worth is put in her shake daily. Hard to isolate factors but it does seem that there's an improvement. Every now and then I'll put some in my shake, too.
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u/TheRedRailroad · 10 upvotes · 2022-01-18
Reddit
The benefit of glutamine supplementation is questionable at best. Even if it does promote muscle recovery it will be miniscule so it doesn't matter if you aren't an elite athlete. The gut health benefit is also questionable since it is a very vague statement. Unless you are taking a VERY high dose of more than 40g per day you will be fine. Just note that at high doses it may slow the metabolism of drugs metabolized by the liver. At high doses it may also put additional strain on your kidneys. All in all i would advise against it unless you are Gln deficient.
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u/tingtangwallawallabi · 8 upvotes · 2025-02-23
Reddit
Sooooo interesting! Thank you so much! Recently ive been drinking gentian and camomile in a tea twice a day and taking having ashwaganda and magnesium in pill form. I have also decreased my caffeine intake. With all those combined, my fight/flight/shock levels have been so much more manageable and my IBS has improved so so much, especially with the gentian. It’s very interesting stuff.
Read the original
Zach Howell
Quora
Dec 22 Glutamine is great for recovery. So is carnitine tartrate. I use to take glutamine too when I was at the truss shop. Along with muscle milk pro, creatine HCL, and a random test booster that went on sell. I use to get a thing of glutamine every once in an awhile too. Glutamine does work so does carnitine tartrate but I don’t know about some of the other stuff like vita cherry and senactiv. I’ve never used those before. Glutamine, protein powder, carnitine tartrate, and creatine work, I’ve used them before. Beta alanine and beta anhydrous work too in pre workouts, but I’m not sure if colostrum,
Read the original

Quotes are user-generated content from public forums about the ingredient class — not testimonials for Withanly. Withanly does not endorse the original posters or compensate them for these quotes. Individual responses vary. These statements have not been evaluated by the Food and Drug Administration.

Honest answers

Questions you actually asked

How is this different from the Gut Health capsules?

Gut Health is a multi-ingredient gut-lining formula (L-glutamine + zinc-carnosine + botanicals) at moderate doses. This is high-dose L-glutamine in isolation — for those who want to dial in dose, mix with other supplements, or stack with their existing gut-support routine.

Does it dissolve cleanly?

Yes. Stir into water and it dissolves within 30 seconds. The unflavoured powder is mild and barely tastes of anything.

How quickly will I notice anything?

Recovery markers (less DOMS, faster training-to-training turnaround) often show within 1–2 weeks of consistent use. Gut-lining benefits are cumulative over 8–12 weeks.

When should I take it?

Post-training is the classic time for recovery applications. For gut-lining support, first thing in the morning on an empty stomach is ideal.

Can I take more than one scoop?

Many athletes use 10 g/day split into two doses during heavy training cycles. Higher doses than that don't appear to add meaningful benefit and can stress the kidneys.

Can I take it with my ashwagandha?

Yes — they don't conflict. Many testers stack L-glutamine + ashwagandha + creatine as a recovery foundation.

Is it vegan-friendly?

Yes — fully vegan, no animal-derived inputs.

Will it interact with my medication?

L-glutamine is generally well-tolerated and has few interactions. If you have kidney or severe liver disease, talk to your physician before starting.

What if it doesn't work for me?

Email contact@withanly.com within 30 days of delivery and we'll refund the full amount — you don't need to send the tub back.

How fast does it ship?

From our US warehouse, USPS Ground typically arrives in 2–4 business days within the contiguous US.