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NOW FoodsAmino acids & derivatives

Amino-9 Essentials™ Powder, 330 g

£29.60 for 330 g 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£1.64One 3 g dose is our comparison unit for L-Leucine. It is not a recommendation.
A day£1.64
A week£11.49
A month£49.25
A year£599.15

At one 3 g dose a day, this pack lasts 18 days. A month is 30 days, so twelve of them is not quite a year.

How we worked it out

L-Leucine

  • Servings: 330 ÷ 5.6 per serving = 58.9
  • In the pack: 58.9 × 918 mg = 54.1 g
  • £29.60 ÷ 54.1 g × 3 g = £1.64 per 3 g
  • A week £1.64 × 7 = £11.49 · a month × 30 = £49.25 · a year × 365 = £599.15
  • Amount per serving: stated on the label.

L-Lysine

  • Servings: 330 ÷ 5.6 per serving = 58.9
  • In the pack: 58.9 × 888 mg = 52.3 g
  • £29.60 ÷ 52.3 g × 1 g = 56.6p per 1 g
  • A week 56.6p × 7 = £3.96 · a month × 30 = £16.97 · a year × 365 = £206.46
  • Amount per serving: stated on the label.

L-Tryptophan

  • Servings: 330 ÷ 5.6 per serving = 58.9
  • In the pack: 58.9 × 117 mg = 6.89 g
  • £29.60 ÷ 6.89 g × 500 mg = £2.15 per 500 mg
  • A week £2.15 × 7 = £15.03 · a month × 30 = £64.40 · a year × 365 = £783.51
  • 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 · 888 mg a serving · £16.97 a month · a pack lasts 52 days57pshown 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 · 117 mg a serving · £64.40 a month · a pack lasts 14 days£2.15shown above

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

On the label

L-Leucine · L-Leucine
918 mg per serving (stated on the label)
L-Lysine · L-Lysine
888 mg per serving (stated on the label)
Pack
330 g · 58.9 servings · 5.6 g a serving
Cost per serving
50p (58.9 servings in the pack)
More label details
L-Tryptophan · L-Tryptophan
117 mg per serving (stated on the label)
Sold by
Healf
What the listing says
“330g” · “Servings Per Container: about 59” · “2 1/4 Level Teaspoons (5.6g)” · “L-Leucine ; 918 mg”
Ingredients

L-Leucine, L-Lysine (from 1,131 mg L-Lysine Monohydrochloride), L-Phenylalanine, L-Valine, L-Threonine, L-Isoleucine, L-Methionine, L-Histidine (from 438 mg L-Histidine Monohydrochloride), L-Tryptophan, Hypromellose (<1%)

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
£29.60Healf
First recorded
£29.601 Oct
Checked on
20 dayssince 1 Oct
Pack price at each check.
  1. First checked at Healf: £29.60

Questions about this product

How much does NOW Foods Amino-9 Essentials™ Powder cost per 3 g?

£1.64 per 3 g, from £29.60 for 330 g at Healf, checked on 20 October 2026.

How long does one pack last?

18 days at one 3 g dose. The pack holds 54.1 g in total.

How much does NOW Foods Amino-9 Essentials™ Powder cost per 1 g?

57p per 1 g, from £29.60 for 330 g at Healf, checked on 20 October 2026.

How long does one pack last?

52 days at one 1 g dose. The pack holds 52.3 g in total.

How much does NOW Foods Amino-9 Essentials™ Powder cost per 500 mg?

£2.15 per 500 mg, from £29.60 for 330 g at Healf, checked on 20 October 2026.

How long does one pack last?

14 days at one 500 mg dose. The pack holds 6.89 g in total.

About NOW Foods

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