L-Glutamine

Backed by our 30-day money-back guarantee

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

98 g unflavoured powder · 30 servings · 3.15 g per scoop

Withanly L-Glutamine tub on cream linen

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

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. One scoop 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.

One scoop in my morning water. Recovery noticeably better.
Wim, pre-launch tester

Pre-launch tester feedback. Individual results vary.

  • Pure L-glutamine · 3.15 g per scoop
  • Unflavoured · vegan-friendly · just glutamine + silicon dioxide
  • Made in the USA · GMP-certified facility
  • 30-day money-back guarantee — no return required

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Try it risk-free — covered by our 30-day money-back guarantee, no return needed. Single-origin actives, bottled in the USA in a GMP-certified facility.

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Small batch — bottled this month, shipped while fresh

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USDA Organic

Ashwagandha root

GMP-Certified

USA facility

Vegan

Pullulan caps

Single-Origin

Traceable root

30-Day Guarantee

Risk-free

The formula

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

  • Organic ashwagandha root, 650mg
  • Black pepper for absorption
  • Vegan pullulan capsule
  • Standardised for potency
  • 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. Clean.

Basic

Boring. Foundational. Clean.

No patented blend, no neon marketing — just pure L-glutamine plus a touch of silicon dioxide so it scoops clean. 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.

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.

Proprietary blend

Silicon Dioxide

Form: Other ingredient — anti-caking / flow agent

A common food-grade flow agent that keeps the powder free-flowing and easy to scoop and mix. Not an active.

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.

Journal of the International Society of Sports Nutrition · 2021

Oral L-glutamine supplementation and muscle-damage biomarkers in professional basketball players: a placebo-controlled crossover study

Double-blind crossover (n=12 professional basketball players): 6 g/day oral L-glutamine for 20 days produced significantly lower creatine kinase and myoglobin — blood biomarkers of exercise-induced muscle damage.

Read the study

Journal of the International Society of Sports Nutrition · 2019

L-glutamine supplementation, mucosal immunity and the testosterone-to-cortisol ratio in combat-sport athletes: a randomized crossover trial

Randomized crossover (n=21 national-level combat-sport athletes): L-glutamine at 0.3 g/kg/day for 3 weeks after intensive training significantly increased salivary secretory IgA, nitric oxide, and the testosterone-to-cortisol ratio.

Read the study

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.

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Honest answers

Questions you actually asked

How is this different from the Gut Health capsules?

Gut Health is a multi-ingredient gut-lining formula. This is pure L-glutamine in isolation — 3.15 g per scoop — 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 6 g/day or more — roughly two scoops — split across the day during heavy training cycles. Higher doses than that don't appear to add meaningful benefit. If you have kidney concerns, check with your physician first.

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.