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ThorneAmino acids & derivatives

L Arginine Plus, 180 capsules

£61.36 for 180 capsules at Healf. It carries more than one active ingredient, so it is not ranked against single-ingredient products. Each price below counts one ingredient only.

What it really costs, per 3 g£3.07One 3 g dose is our comparison unit for L-Arginine. It is not a recommendation.
A day£3.07
A week£21.48
A month£92.04
A year£1119.82

At one 3 g dose a day, this pack lasts 20 days. A month is 30 days, so twelve of them is not quite a year.

How we worked it out

L-Arginine

  • Servings: 180 ÷ 3 per serving = 60
  • In the pack: 60 × 1 g = 60 g
  • £61.36 ÷ 60 g × 3 g = £3.07 per 3 g
  • A week £3.07 × 7 = £21.48 · a month × 30 = £92.04 · a year × 365 = £1119.82
  • Amount per serving: stated on the label.

Alpha-lipoic acid

  • Servings: 180 ÷ 3 per serving = 60
  • In the pack: 60 × 50 mg = 3 g
  • £61.36 ÷ 3 g × 300 mg = £6.14 per 300 mg
  • A week £6.14 × 7 = £42.95 · a month × 30 = £184.08 · a year × 365 = £2239.64
  • Amount per serving: stated on the label.

Folate

  • Servings: 180 ÷ 3 per serving = 60
  • In the pack: 60 × 552 µg = 33.1 mg
  • £61.36 ÷ 33.1 mg × 400 µg = 74.1p per 400 µg
  • A week 74.1p × 7 = £5.19 · a month × 30 = £22.23 · a year × 365 = £270.49
  • Amount per serving: stated on the label.

Resveratrol

  • Servings: 180 ÷ 3 per serving = 60
  • In the pack: 60 × 50 mg = 3 g
  • £61.36 ÷ 3 g × 250 mg = £5.11 per 250 mg
  • A week £5.11 × 7 = £35.79 · a month × 30 = £153.40 · a year × 365 = £1866.37
  • Amount per serving: stated on the label.

Vitamin C

  • Servings: 180 ÷ 3 per serving = 60
  • In the pack: 60 × 300 mg = 18 g
  • £61.36 ÷ 18 g × 1 g = £3.41 per 1 g
  • A week £3.41 × 7 = £23.86 · a month × 30 = £102.27 · a year × 365 = £1244.24
  • 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.

How it compares: L-Arginine

All 12, ranked →
L ArginineCheapest per 3 gBulk · 3 g a serving · £2.45 a month · a pack lasts 11 months8p£27.19View at Bulk (opens in a new tab)
L ArginineBulk · 3 g a serving · £4.86 a month · a pack lasts 5 months16p£26.99View at Bulk (opens in a new tab)
L-ArginineHealf · 1 g a serving · £11.30 a month · a pack lasts 40 days38p£15.06View at Healf (opens in a new tab)
This productHealf · 1 g a serving · £92.04 a month · a pack lasts 20 days£3.07shown above

Ranked purely by price per 3 g. 15 combination products also contain L-Arginine.

How it compares: R-lipoic acid

Compare every product in this form →
Bioactive Alpha Lipoic AcidCheapest per 300 mgHealf · 127.5 mg a serving · £34.71 a month · a pack lasts 26 days£1.16£29.50View at Healf (opens in a new tab)
Bioactive Alpha Lipoic AcidW-Wellness · 127.5 mg a serving · £34.71 a month · a pack lasts 26 days£1.16£29.50View at W-Wellness (opens in a new tab)
This productHealf · 50 mg a serving · £184.08 a month · a pack lasts 10 days£6.14shown above

Ranked purely by price per 300 mg. 6 combination products also contain alpha-lipoic acid.

How it compares: methylfolate

All 22, ranked →
Methyl Folate 1,000 mcgCheapest per 400 µgHealf · 1 mg a serving · £1.27 a month · a pack lasts 7 months4p£9.49View at Healf (opens in a new tab)
5-MTHF 5 mgHealf · 5 mg a serving · £2.22 a month · a pack lasts 2.1 years7p£55.58View at Healf (opens in a new tab)
Vimergy5-MTHFHealf · 5 mg a serving · £2.36 a month · a pack lasts 2.1 years8p£58.99View at Healf (opens in a new tab)
This productHealf · 552 µg a serving · £22.23 a month · a pack lasts 3 months74pshown above

Ranked purely by price per 400 µg. 155 combination products also contain folate.

How it compares: trans-resveratrol

All 25, ranked →
WeightWorldResveratrol CapsulesCheapest per 250 mgWeightWorld · 500 mg a serving · £3.62 a month · a pack lasts 8 months12p£28.99View at WeightWorld (opens in a new tab)
Trans-Resveratrol (Powder)Healf · 500 mg a serving · £5.14 a month · a pack lasts 1.1 years17p£68.49View at Healf (opens in a new tab)
Pure Trans-Resveratrol Micronized PowderHealf · 1 g a serving · £5.62 a month · a pack lasts 1.1 years19p£74.99View at Healf (opens in a new tab)
This productHealf · 50 mg a serving · £153.40 a month · a pack lasts 12 days£5.11shown above

Ranked purely by price per 250 mg. 38 combination products also contain resveratrol.

How it compares: vitamin C

All 113, ranked →
Vitamin C Plus TabletsCheapest per 1 gMyprotein · 1 g a serving · £1.00 a month · a pack lasts 6 months3p£5.99View at Myprotein (opens in a new tab)
Vitamin C Crystals PowderHealf · 1.1 g a serving · £1.01 a month · a pack lasts 7 months3p£7.61View at Healf (opens in a new tab)
Vitamin C PowderLamberts Healthcare (Nature's Best) · 1 g a serving · £1.50 a month · a pack lasts 8 months5p£12.50View at Lamberts Healthcare (opens in a new tab)
This productHealf · 300 mg a serving · £102.27 a month · a pack lasts 18 days£3.41shown above

Ranked purely by price per 1 g. 950 combination products also contain vitamin C.

On the label

L-Arginine · L-Arginine
1 g per serving (stated on the label)
Alpha-lipoic acid · R-lipoic acid
50 mg per serving (stated on the label)
Pack
180 capsules · 60 servings · 3 capsule(s) a serving
Cost per serving
£1.02 (60 servings in the pack)
More label details
Folate · Methylfolate (5-MTHF)
552 µg per serving (stated on the label)
Resveratrol · Trans-resveratrol
50 mg per serving (stated on the label)
Vitamin C · Standard (ascorbic acid and ascorbates)
300 mg per serving (stated on the label)
Sold by
Healf
What the listing says
“180 caps” · “Servings Per Container: 60” · “Serving Size: 3 Capsules” · “R-Lipoic Acid)^^^^ ; 50 mg”
Ingredients

L-Arginine, Vitamin C (as Ascorbic Acid), Green Tea Phytosome Camellia sinensis Extract (Leaf) Decaffeinated/Phospholipid Complex from Sunflower), R-Lipoic Acid (as Sodium R-Lipoic Acid), Trans-Resveratrol, L-Leucine, Folate (L-5-Methyltetrahydrofolate from L-5-Methyltetrahydrofolic Acid, Glucosamine Salt), High And Low Viscosity Hydroxypropyl Methylcellulose (Time-Sorb®), 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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One 3 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
£61.36Healf
First recorded
£61.361 Oct
Checked on
20 dayssince 1 Oct
Pack price at each check.
  1. First checked at Healf: £61.36

Questions about this product

How much does Thorne L Arginine Plus cost per 300 mg?

£6.14 per 300 mg, from £61.36 for 180 capsules at Healf, checked on 20 October 2026.

How long does one pack last?

10 days at one 300 mg dose. The pack holds 3 g in total.

How much does Thorne L Arginine Plus cost per 400 µg?

74p per 400 µg, from £61.36 for 180 capsules at Healf, checked on 20 October 2026.

How long does one pack last?

3 months at one 400 µg dose. The pack holds 33.1 mg in total.

How much does Thorne L Arginine Plus cost per 3 g?

£3.07 per 3 g, from £61.36 for 180 capsules at Healf, checked on 20 October 2026.

How long does one pack last?

20 days at one 3 g dose. The pack holds 60 g in total.

How much does Thorne L Arginine Plus cost per 250 mg?

£5.11 per 250 mg, from £61.36 for 180 capsules at Healf, checked on 20 October 2026.

How long does one pack last?

12 days at one 250 mg dose. The pack holds 3 g in total.

How much does Thorne L Arginine Plus cost per 1 g?

£3.41 per 1 g, from £61.36 for 180 capsules at Healf, checked on 20 October 2026.

How long does one pack last?

18 days at one 1 g dose. The pack holds 18 g in total.

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