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Home › Amino acids & derivatives › L-Leucine

ThorneAmino acids & derivatives

Amino Complex, Berry

£41.49 for 30 servings 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£3.32One 3 g dose is our comparison unit for L-Leucine. It is not a recommendation.
A day£3.32
A week£23.23
A month£99.58
A year£1211.51

At one 3 g dose a day, this pack lasts 13 days. A month is 30 days, so twelve of them is not quite a year.

How we worked it out

L-Leucine

  • In the pack: 30 × 1.25 g = 37.5 g
  • £41.49 ÷ 37.5 g × 3 g = £3.32 per 3 g
  • A week £3.32 × 7 = £23.23 · a month × 30 = £99.58 · a year × 365 = £1211.51
  • Amount per serving: stated on the label.

L-Lysine

  • In the pack: 30 × 650 mg = 19.5 g
  • £41.49 ÷ 19.5 g × 1 g = £2.13 per 1 g
  • A week £2.13 × 7 = £14.89 · a month × 30 = £63.83 · a year × 365 = £776.61
  • Amount per serving: stated on the label.

L-Tryptophan

  • In the pack: 30 × 20 mg = 600 mg
  • £41.49 ÷ 600 mg × 500 mg = £34.58 per 500 mg
  • A week £34.58 × 7 = £242.03 · a month × 30 = £1037.25 · a year × 365 = £12619.88
  • Amount per serving: stated on the label.

L-Tyrosine

  • In the pack: 30 × 30 mg = 900 mg
  • £41.49 ÷ 900 mg × 500 mg = £23.05 per 500 mg
  • A week £23.05 × 7 = £161.35 · a month × 30 = £691.50 · a year × 365 = £8413.25
  • 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-Lysine

All 15, ranked →
L-Lysine 1,000 mgCheapest per 1 gHealf · 1 g a serving · £2.52 a month · a pack lasts 8 months8p£20.99View at Healf (opens in a new tab)
L-Lysine 1,000 mgHealf · 1 g a serving · £2.61 a month · a pack lasts 3 months9p£8.70View at Healf (opens in a new tab)
ZipVitL-Lysine Hydrochloride 1100mgZipVit · 1.1 g a serving · £2.65 a month · a pack lasts 7 months9p£17.49View at ZipVit (opens in a new tab)
This productHealf · 650 mg a serving · £63.83 a month · a pack lasts 20 days£2.13shown above

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

How it compares: L-Tryptophan

Compare every product in this form →
TryptophanCheapest per 500 mgBulk · 220 mg a serving · 75p a month · a pack lasts 7 months2p£4.99View at Bulk (opens in a new tab)
L-Tryptophan 500mgHealf · 1 g a serving · £6.50 a month · a pack lasts 2 months22p£12.99View at Healf (opens in a new tab)
This productHealf · 20 mg a serving · £1037.25 a month · a pack lasts 1 day£34.58shown above

Ranked purely by price per 500 mg. 29 combination products also contain L-Tryptophan.

How it compares: L-tyrosine

All 8, ranked →
TyrosineCheapest per 500 mgBulk · 1 g a serving · 52p a month · a pack lasts 2.7 years2p£17.49View at Bulk (opens in a new tab)
100% L-Tyrosine PowderMyprotein · 1 g a serving · 96p a month · a pack lasts 1.4 years3p£15.99View at Myprotein (opens in a new tab)
L-Tyrosine 750mg Extra StrengthHealf · 750 mg a serving · £2.63 a month · a pack lasts 4 months9p£11.85View at Healf (opens in a new tab)
This productHealf · 30 mg a serving · £691.50 a month · a pack lasts 2 days£23.05shown above

Ranked purely by price per 500 mg. 40 combination products also contain L-Tyrosine.

On the label

L-Leucine · L-Leucine
1.25 g per serving (stated on the label)
L-Lysine · L-Lysine
650 mg per serving (stated on the label)
Pack
30 servings · 7.7 g a serving
Cost per serving
£1.38 (30 servings in the pack)
More label details
L-Tryptophan · L-Tryptophan
20 mg per serving (stated on the label)
L-Tyrosine · L-tyrosine
30 mg per serving (stated on the label)
Sold by
Healf
What the listing says
“Servings Per Container: 30” · “Serving Size: 1 Scoop (7.7g)” · “L-Leucine ; 1.25 g”
Ingredients

L-Leucine, L-Lysine (as L-Lysine Chloride), L-Isoleucine, L-Valine, L-Threonine, L-Histidine, L-Cystine, L-Phenylalanine, L-Methionine, L-Tyrosine, L-Tryptophan, Flavour, Acidity Regulator (Citric Acid), Sweetener (Steviol Glycosides), Turmeric Powder

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
£41.49Healf
First recorded
£41.491 Oct
Checked on
20 dayssince 1 Oct
Pack price at each check.
  1. First checked at Healf: £41.49

Questions about this product

How much does Thorne Amino Complex cost per 3 g?

£3.32 per 3 g, from £41.49 for 30 servings at Healf, checked on 20 October 2026.

How long does one pack last?

13 days at one 3 g dose. The pack holds 37.5 g in total.

How much does Thorne Amino Complex cost per 1 g?

£2.13 per 1 g, from £41.49 for 30 servings at Healf, checked on 20 October 2026.

How long does one pack last?

20 days at one 1 g dose. The pack holds 19.5 g in total.

How much does Thorne Amino Complex cost per 500 mg?

£34.58 per 500 mg, from £41.49 for 30 servings at Healf, checked on 20 October 2026.

How long does one pack last?

1 day at one 500 mg dose. The pack holds 600 mg in total.

How much does Thorne Amino Complex cost per 500 mg?

£23.05 per 500 mg, from £41.49 for 30 servings at Healf, checked on 20 October 2026.

How long does one pack last?

2 days at one 500 mg dose. The pack holds 900 mg in total.

About Thorne

All 123 Thorne products, priced per dose

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All L-LeucineEvery form, cheapest per 3 g firstL-Leucine guideWhat it is, why people take it, how the forms differThorneAll 123 products from this brand, per doseAmino acids & derivativesEverything else we price in this categoryL-Leucine price historyEvery L-Leucine product's price per dose and price historyBuild a basketThe cheapest way to buy several at onceHow we compareWhere every number on this page comes from