Most abundant amino acid
Glutamine is the most abundant free amino acid in muscle — the recovery basic for hard training blocks.
Lab-tested · GMP
−39%
Tracked 2–4d · Free £45+
L-Glutamine 500mg
£17.99
£29.98
-39%
Free UK delivery over £45 · 30-day guarantee · In stock — ships today
L-Glutamine 500mg — 90 caps. The most abundant amino acid in muscle — the recovery basic for hard training blocks, and a favourite for gut lining support. Clean single-ingredient dosing, nothing proprietary. UK tracked 2–4 day. Full directions on every label.
Take as directed on label. Supplements are not a substitute for a varied diet. Consult healthcare professional if pregnant, nursing or on medication.
Same-day dispatch by 3pm from UK stock — no customs when shipped inside UK. Free UK over £45. 30-day guarantee — if you don't feel the difference, return unopened. vespernstore@gmail.com.
GMP, batch CoA, fully disclosed doses. Lab-tested, sample-checked before listing. Tracked delivery. UK-based support: vespernstore@gmail.com.
Why it works — the evidence
Ingredient research · full doses disclosed · no hype
GMP · Batch CoA
Gut lining support
A favourite for digestive tract maintenance alongside a high-protein diet.
Single-ingredient dosing
500mg L-glutamine, nothing else — no proprietary blends.
Food supplements are not a substitute for a varied, balanced diet and a healthy lifestyle. Do not exceed the recommended daily dose. If you are pregnant, breastfeeding or taking medication, consult a doctor before use.
The vespern promise
Not feeling it?
30-day guarantee
Unopened product? Full refund within 30 days — no restocking fees, no forms. Faulty or damaged? Free replacement and we pay the return. One email does it.
Read the guarantee →✓
Lab-tested, honest dosing. Full-dose actives — no proprietary blends, no fairy dust.
✓
Made to GMP standards. Batch-traceable, UK-stocked, tracked 2–4 day delivery.
✓
Free UK delivery over £45. Standard £4.99, Express £6.99, tracked from Manchester.
✓
Real humans reply. vespernstore@gmail.com — within one working day, Mon–Fri.
Good questions, straight answers
the small print, squared away
How fast will it arrive? +
Order before 3pm Mon–Fri and it dispatches the same day. Standard tracked delivery is 2–4 working days (£4.99 — free over £45); Express is 1–2 working days (£6.99). Tracking is emailed to you.
What if it's not for me? +
Unopened and resalable? Full refund within 30 days. Opened and not working for you? Email us — we'll advise on dosing and stacking, or credit where that's fair. Details in our refund policy.
Is it actually lab-tested? +
Yes — every batch is lab-tested and made to GMP standards. Honest labels, full-dose actives, no proprietary blends. What's on the tub is what's in the tub.
Can I stack this? +
Almost always yes — our range is designed to stack (e.g. Meta Support + collagen + creatine). Email vespernstore@gmail.com with your goal and we'll build your stack. If you're pregnant, breastfeeding, on medication or under 18, check with a doctor first.
complete the stack
Fat-loss to fibre — 16 clinic-dosed essentials, up to 40% off.
