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Amino acids & derivativesVegan

L-Glutamine, 90 capsules

£20.94 for 90 capsules at Healf. That works out at £2.33 per 5 g, which ranks it 25th of the 29 L-glutamine products we price across 9 UK retailers.

What it really costs, per 5 g£2.33One 5 g dose is our comparison unit for L-Glutamine. It is not a recommendation.

A day£2.33

A week£16.29

A month£69.80

A year£849.23

At one 5 g dose a day, this pack lasts 9 days. A month is 30 days, so twelve of them is not quite a year.

How we worked it out

Servings: 90 ÷ 1 per serving = 90
In the pack: 90 × 500 mg = 45 g
£20.94 ÷ 45 g × 5 g = £2.33 per 5 g
A week £2.33 × 7 = £16.29 · a month × 30 = £69.80 · a year × 365 = £849.23
Amount per serving: stated on the label.

The standard dose is a comparison unit, not a recommendation. Always confirm the price on the retailer's site. How we compare everything.

Cheaper L-glutamine

All 29, ranked →

L-Glutamine 500mg CapsulesLamberts Healthcare (Nature's Best) · 500 mg a serving · £36.50 a month · a pack lasts 9 days£1.22£10.95View at Lamberts Healthcare

L-Glutamine CapsulesBio-Synergy · 2 g a serving · £36.65 a month · a pack lasts 18 days£1.22£21.99View at Bio-Synergy

L-Glutamine 850 mgHealf · 850 mg a serving · £42.14 a month · a pack lasts 15 days£1.40£21.49View at Healf

Higher NatureGlutamine CapsulesHigher Nature · 1 g a serving · £56.50 a month · a pack lasts 9 days£1.88£16.95View at Higher Nature

L-Glutamine 850 mgW-Wellness · 850 mg a serving · £62.94 a month · a pack lasts 15 days£2.10£32.10View at W-Wellness

This productHealf · 500 mg a serving · £69.80 a month · a pack lasts 9 days£2.33shown above

Switching to the Lamberts Healthcare (Nature's Best) pack saves £33.30 a month at the same 5 g dose.

Ranked purely by price per 5 g. 54 combination products also contain L-Glutamine.

On the label

L-Glutamine · L-glutamine: 500 mg per serving (stated on the label)
Pack: 90 capsules · 90 servings · 1 capsule(s) a serving
Cost per serving: 23p (90 servings in the pack)

More label details

Claimed on the listing: vegan
Sold by: Healf
What the listing says: “90 caps” · “Servings Per Container: 90” · “Serving Size: 1 Capsule” · “L-Glutamine ; 500 mg”

Ingredients

L-Glutamine, Hypromellose (Derived from Cellulose) Capsule, Anti-Caking Agent (Silicon Dioxide)

From the Healf listing. Check the pack itself if you have an allergy: labels mark allergens in bold.

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Daily dosemgFordays

One 5 g dose is our comparison unit, not a recommendation.

Price history

No price change since 1 October 2026. Checked on 20 days, most recently 20 October 2026.

Price at every check: £20.94Healf
First recorded: £20.941 Oct
Checked on: 20 dayssince 1 Oct

Pack price at each check.

1 OctFirst checked at Healf: £20.94

Questions about this product

How much does Thorne L-Glutamine cost per 5 g?

£2.33 per 5 g, from £20.94 for 90 capsules at Healf, checked on 20 October 2026.

Is it the cheapest L-glutamine in the UK?

No, it is 25th of 29. Glutamine Peptides Powder at Bulk works out at 6p per 5 g.

How long does one pack last?

9 days at one 5 g dose. The pack holds 45 g in total.

About Thorne

All 123 Thorne products, priced per dose

Keep comparing

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