We earn commission on purchases made through our links. It never affects ranking: tables are ordered purely by price per dose, and no retailer or brand can pay for position.We earn commission when you buy through our links. It never affects the ranking. Full disclosure.

Amino acids & derivatives

Lysine, 60 capsules

£11.88 for 60 capsules at Healf. That works out at 40p per 1 g, which ranks it 12th of the 15 L-Lysine products we price across 8 UK retailers.

What it really costs, per 1 g40pOne 1 g dose is our comparison unit for L-Lysine. It is not a recommendation.

A day40p

A week£2.77

A month£11.88

A year£144.54

At one 1 g dose a day, this pack lasts 30 days. A month is 30 days, so twelve of them is not quite a year.

How we worked it out

Servings: 60 ÷ 1 per serving = 60
In the pack: 60 × 500 mg = 30 g
£11.88 ÷ 30 g × 1 g = 39.6p per 1 g
A week 39.6p × 7 = £2.77 · a month × 30 = £11.88 · a year × 365 = £144.54
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-Lysine

All 15, ranked →

Natures AidL-Lysine 1000mg 60 TabletsLloyds Pharmacy · 1 g a serving · £5.45 a month · a pack lasts 2 months18p£10.91View at Lloyds Pharmacy

L-Lysine TabletsMyprotein · 1 g a serving · £5.49 a month · a pack lasts 30 days18p£5.49View at Myprotein

Higher NatureLysineHigher Nature · 1 g a serving · £7.63 a month · a pack lasts 45 days25p£11.45View at Higher Nature

l-LysineHealf · 1 g a serving · £7.66 a month · a pack lasts 45 days26p£11.49View at Healf

l-LysineHealf · 1 g a serving · £8.78 a month · a pack lasts 4 months29p£39.50View at Healf

This productHealf · 500 mg a serving · £11.88 a month · a pack lasts 30 days40pshown above

Switching to the Lloyds Pharmacy pack saves £6.43 a month at the same 1 g dose.

Ranked purely by price per 1 g. 37 combination products also contain L-Lysine.

On the label

L-Lysine · L-Lysine: 500 mg per serving (stated on the label)
Pack: 60 capsules · 60 servings · 1 capsule(s) a serving
Cost per serving: 20p (60 servings in the pack)

More label details

Sold by: Healf
What the listing says: “60 caps” · “Servings Per Container: 60” · “Serving Size: 1 Capsule” · “L-Lysine (as L-Lysine Monohydrochloride) ; 500 mg”

Ingredients

L-Lysine (as L-Lysine Monohydrochloride), L-Leucine, Hypromellose (Derived from Cellulose) Capsule, Anti-Caking Agent (Calcium Laurate), Anti-Caking Agent (Silicon Dioxide)

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

Is something wrong? Tell us

Add to your basket

View basket

Your basket prices everything you take together: whole packs, delivery included, from as few websites as you like.

Daily dosemgFordays

One 1 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: £11.88Healf
First recorded: £11.881 Oct
Checked on: 20 dayssince 1 Oct

Pack price at each check.

1 OctFirst checked at Healf: £11.88

Questions about this product

How much does Thorne Lysine cost per 1 g?

40p per 1 g, from £11.88 for 60 capsules at Healf, checked on 20 October 2026.

Is it the cheapest L-Lysine in the UK?

No, it is 12th of 15. L-Lysine 1,000 mg at Healf works out at 8p per 1 g.

How long does one pack last?

30 days at one 1 g dose. The pack holds 30 g in total.

About Thorne

All 123 Thorne products, priced per dose

Keep comparing

All L-LysineEvery form, cheapest per 1 g first L-Lysine guideWhat it is, why people take it, how the forms differ ThorneAll 123 products from this brand, per dose Amino acids & derivativesEverything else we price in this category L-Lysine price historyEvery L-Lysine product's price per dose and price history Build a basketThe cheapest way to buy several at once How we compareWhere every number on this page comes from