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Home › Amino acids & derivatives › N-Acetyl Cysteine

Designs for HealthAmino acids & derivatives

Metal-X-Synergy™, 60 capsules

£43.99 for 60 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 600 mg£1.47One 600 mg dose is our comparison unit for N-Acetyl Cysteine. It is not a recommendation.
A day£1.47
A week£10.26
A month£43.99
A year£535.21

At one 600 mg 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

N-Acetyl Cysteine

  • Servings: 60 ÷ 4 per serving = 15
  • In the pack: 15 × 1.2 g = 18 g
  • £43.99 ÷ 18 g × 600 mg = £1.47 per 600 mg
  • A week £1.47 × 7 = £10.26 · a month × 30 = £43.99 · a year × 365 = £535.21
  • Amount per serving: stated on the label.

Alpha-lipoic acid

  • Servings: 60 ÷ 4 per serving = 15
  • In the pack: 15 × 100 mg = 1.5 g
  • £43.99 ÷ 1.5 g × 300 mg = £8.80 per 300 mg
  • A week £8.80 × 7 = £61.59 · a month × 30 = £263.94 · a year × 365 = £3211.27
  • Amount per serving: stated on the label.

Chlorella

  • Servings: 60 ÷ 4 per serving = 15
  • In the pack: 15 × 700 mg = 10.5 g
  • £43.99 ÷ 10.5 g × 3 g = £12.57 per 3 g
  • A week £12.57 × 7 = £87.98 · a month × 30 = £377.06 · a year × 365 = £4587.53
  • Amount per serving: stated on the label.

Garlic

  • Servings: 60 ÷ 4 per serving = 15
  • In the pack: 15 × 250 mg = 3.75 g
  • £43.99 ÷ 3.75 g × 600 mg = £7.04 per 600 mg
  • A week £7.04 × 7 = £49.27 · a month × 30 = £211.15 · a year × 365 = £2569.02
  • Amount per serving: extract weight stated on the label.

Glutathione

  • Servings: 60 ÷ 4 per serving = 15
  • In the pack: 15 × 200 mg = 3 g
  • £43.99 ÷ 3 g × 250 mg = £3.67 per 250 mg
  • A week £3.67 × 7 = £25.66 · a month × 30 = £109.98 · a year × 365 = £1338.03
  • 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: N-Acetyl Cysteine NAC

All 28, ranked →
N Acetyl L Cysteine (NAC)Cheapest per 600 mgBulk · 700 mg a serving · £1.17 a month · a pack lasts 4.6 years4p£64.99View at Bulk (opens in a new tab)
N Acetyl L Cysteine (NAC)Bulk · 700 mg a serving · £1.26 a month · a pack lasts 2.3 years4p£34.99View at Bulk (opens in a new tab)
N Acetyl L Cysteine (NAC)Bulk · 700 mg a serving · £1.80 a month · a pack lasts 5 months6p£9.99View at Bulk (opens in a new tab)
Designs for HealthThis productHealf · 1.2 g a serving · £43.99 a month · a pack lasts 30 days£1.47shown above

Ranked purely by price per 600 mg. 44 combination products also contain N-Acetyl Cysteine.

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)
Designs for HealthThis productHealf · 100 mg a serving · £263.94 a month · a pack lasts 5 days£8.80shown above

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

How it compares: chlorella

All 6, ranked →
ChlorellaCheapest per 3 gHealf · 500 mg a serving · £10.31 a month · a pack lasts 33 days34p£11.45View at Healf (opens in a new tab)
Chlorella Rich in Chlorophyll 3000mg 120 TabletsHolland & Barrett · 3 g a serving · £17.68 a month · a pack lasts 20 days59p£11.79View at Holland & Barrett (opens in a new tab)
WeightWorldOrganic Spirulina & Chlorella CapsulesWeightWorld · 870 mg a serving · £21.94 a month · a pack lasts 23 days73p£16.97View at WeightWorld (opens in a new tab)
Designs for HealthThis productHealf · 700 mg a serving · £377.06 a month · a pack lasts 4 days£12.57shown above

Ranked purely by price per 3 g. 7 combination products also contain chlorella.

How it compares: garlic powder

All 11, ranked →
Organic GarlicCheapest per 600 mgW-Wellness · 400 mg a serving · £12.75 a month · a pack lasts 40 days43p£17.00View at W-Wellness (opens in a new tab)
Garlic Capsules 10,000mgSimply Supplements · 100 mg a serving · £24.58 a month · a pack lasts 15 days82p£12.29View at Simply Supplements (opens in a new tab)
Odourless Garlic Tablets 18mgSimply Supplements · 18 mg a serving · £36.08 a month · a pack lasts 11 days£1.20£12.99View at Simply Supplements (opens in a new tab)
Designs for HealthThis productHealf · 250 mg a serving · £211.15 a month · a pack lasts 6 days£7.04shown above

Ranked purely by price per 600 mg. 5 combination products also contain garlic.

How it compares: glutathione

All 15, ranked →
Glutathione 500mgCheapest per 250 mgHealf · 500 mg a serving · £5.19 a month · a pack lasts 8 months17p£41.49View at Healf (opens in a new tab)
Glutathione 500mgHealf · 500 mg a serving · £5.65 a month · a pack lasts 4 months19p£22.58View at Healf (opens in a new tab)
Glutathione 250mgHealf · 250 mg a serving · £6.25 a month · a pack lasts 2 months21p£12.49View at Healf (opens in a new tab)
Designs for HealthThis productHealf · 200 mg a serving · £109.98 a month · a pack lasts 12 days£3.67shown above

Ranked purely by price per 250 mg. 16 combination products also contain glutathione.

On the label

N-Acetyl Cysteine · NAC
1.2 g per serving (stated on the label)
Alpha-lipoic acid · R-lipoic acid
100 mg per serving (stated on the label)
Pack
60 capsules · 15 servings · 4 capsule(s) a serving
Cost per serving
£2.93 (15 servings in the pack)
More label details
Chlorella · Chlorella
700 mg per serving (stated on the label)
Garlic · Garlic powder
250 mg per serving (extract weight stated on the label)
Glutathione · Glutathione
200 mg per serving (stated on the label)
Claimed on the listing
vegetarian, gluten-free
Sold by
Healf
What the listing says
“60 capsules” · “Servings Per Container: 15” · “Serving Size: 4 Capsules” · “(Bio-Enhanced® RLA) ; 100 mg”
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One 600 mg 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
£43.99Healf
First recorded
£43.991 Oct
Checked on
20 dayssince 1 Oct
Pack price at each check.
  1. First checked at Healf: £43.99

Questions about this product

How much does Designs for Health Metal-X-Synergy™ cost per 300 mg?

£8.80 per 300 mg, from £43.99 for 60 capsules at Healf, checked on 20 October 2026.

How long does one pack last?

5 days at one 300 mg dose. The pack holds 1.5 g in total.

How much does Designs for Health Metal-X-Synergy™ cost per 3 g?

£12.57 per 3 g, from £43.99 for 60 capsules at Healf, checked on 20 October 2026.

How long does one pack last?

4 days at one 3 g dose. The pack holds 10.5 g in total.

How much does Designs for Health Metal-X-Synergy™ cost per 600 mg?

£7.04 per 600 mg, from £43.99 for 60 capsules at Healf, checked on 20 October 2026.

How long does one pack last?

6 days at one 600 mg dose. The pack holds 3.75 g in total.

How much does Designs for Health Metal-X-Synergy™ cost per 250 mg?

£3.67 per 250 mg, from £43.99 for 60 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 Designs for Health Metal-X-Synergy™ cost per 600 mg?

£1.47 per 600 mg, from £43.99 for 60 capsules at Healf, checked on 20 October 2026.

How long does one pack last?

30 days at one 600 mg dose. The pack holds 18 g in total.

About Designs for Health

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