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Designs for HealthAmino acids & derivatives

PreTrain NRG™, Cherry-lime, 180 g

£52.99 for 180 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 5 g£12.04One 5 g dose is our comparison unit for creatine. It is not a recommendation.
A day£12.04
A week£84.30
A month£361.30
A year£4395.76

At one 5 g dose a day, this pack lasts 4 days. A month is 30 days, so twelve of them is not quite a year.

How we worked it out

Creatine

  • Servings: 180 ÷ 9 per serving = 20
  • In the pack: 20 × 1.1 g = 22 g
  • £52.99 ÷ 22 g × 5 g = £12.04 per 5 g
  • A week £12.04 × 7 = £84.30 · a month × 30 = £361.30 · a year × 365 = £4395.76
  • Amount per serving: stated on the label.

ATP (adenosine triphosphate)

  • Servings: 180 ÷ 9 per serving = 20
  • In the pack: 20 × 400 mg = 8 g
  • £52.99 ÷ 8 g × 400 mg = £2.65 per 400 mg
  • A week £2.65 × 7 = £18.55 · a month × 30 = £79.49 · a year × 365 = £967.07
  • Amount per serving: stated on the label.

Caffeine

  • Servings: 180 ÷ 9 per serving = 20
  • In the pack: 20 × 100 mg = 2 g
  • £52.99 ÷ 2 g × 200 mg = £5.30 per 200 mg
  • A week £5.30 × 7 = £37.09 · a month × 30 = £158.97 · a year × 365 = £1934.14
  • Amount per serving: stated on the label.

L-Carnitine

  • Servings: 180 ÷ 9 per serving = 20
  • In the pack: 20 × 1.5 g = 30 g
  • £52.99 ÷ 30 g × 1 g = £1.77 per 1 g L-carnitine
  • A week £1.77 × 7 = £12.36 · a month × 30 = £52.99 · a year × 365 = £644.71
  • Amount per serving: stated on the label.

L-Theanine

  • Servings: 180 ÷ 9 per serving = 20
  • In the pack: 20 × 200 mg = 4 g
  • £52.99 ÷ 4 g × 200 mg = £2.65 per 200 mg
  • A week £2.65 × 7 = £18.55 · a month × 30 = £79.49 · a year × 365 = £967.07
  • Amount per serving: stated on the label.

L-Tyrosine

  • Servings: 180 ÷ 9 per serving = 20
  • In the pack: 20 × 750 mg = 15 g
  • £52.99 ÷ 15 g × 500 mg = £1.77 per 500 mg
  • A week £1.77 × 7 = £12.36 · a month × 30 = £52.99 · a year × 365 = £644.71
  • Amount per serving: stated on the label.

Magnesium

  • Servings: 180 ÷ 9 per serving = 20
  • In the pack: 20 × 200 mg = 4 g
  • £52.99 ÷ 4 g × 100 mg = £1.32 per 100 mg magnesium
  • A week £1.32 × 7 = £9.27 · a month × 30 = £39.74 · a year × 365 = £483.53
  • 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: ATP (adenosine triphosphate)

Compare every product in this form →
Longevity ATPCheapest per 400 mgHealf · 400 mg a serving · £18.15 a month · a pack lasts 3 months61p£54.45View at Healf (opens in a new tab)
Designs for HealthThis productHealf · 400 mg a serving · £79.49 a month · a pack lasts 20 days£2.65shown above

Ranked purely by price per 400 mg. 3 combination products also contain ATP (adenosine triphosphate).

How it compares: caffeine

All 6, ranked →
Caffeine 200mgCheapest per 200 mgBulk · 200 mg a serving · £1.38 a month · a pack lasts 8 months5p£11.49View at Bulk (opens in a new tab)
Caffeine 200mgBulk · 200 mg a serving · £1.50 a month · a pack lasts 3 months5p£4.99View at Bulk (opens in a new tab)
Pure Caffeine TabletsMyprotein · 200 mg a serving · £1.95 a month · a pack lasts 7 months6p£12.99View at Myprotein (opens in a new tab)
Designs for HealthThis productHealf · 100 mg a serving · £158.97 a month · a pack lasts 10 days£5.30shown above

Ranked purely by price per 200 mg. 88 combination products also contain caffeine.

How it compares: acetyl-L-carnitine

All 10, ranked →
L Carnitine Amino Acid PowderCheapest per 1 g L-carnitineMyprotein · 500 mg a serving · £3.03 a month · a pack lasts 1.4 years10p£50.49View at Myprotein (opens in a new tab)
Acetyl L-Carnitine Capsules 500mgSimply Supplements · 500 mg a serving · £14.99 a month · a pack lasts 30 days50p£14.99View at Simply Supplements (opens in a new tab)
Designs for HealthAcetyl L-CarnitineHealf · 800 mg a serving · £17.50 a month · a pack lasts 2 months58p£41.99View at Healf (opens in a new tab)
Designs for HealthThis productHealf · 1.5 g a serving · £52.99 a month · a pack lasts 30 days£1.77shown above

Ranked purely by price per 1 g L-carnitine. 17 combination products also contain L-Carnitine.

How it compares: L-theanine

All 12, ranked →
L-TheanineCheapest per 200 mgHealf · 200 mg a serving · £4.12 a month · a pack lasts 4 months14p£16.49View at Healf (opens in a new tab)
L-TheanineHealf · 250 mg a serving · £5.60 a month · a pack lasts 2 months19p£13.99View at Healf (opens in a new tab)
L-TheanineW-Wellness · 250 mg a serving · £6.20 a month · a pack lasts 2 months21p£15.49View at W-Wellness (opens in a new tab)
Designs for HealthThis productHealf · 200 mg a serving · £79.49 a month · a pack lasts 20 days£2.65shown above

Ranked purely by price per 200 mg. 70 combination products also contain L-Theanine.

How it compares: magnesium blends and other forms

All 79, ranked →
ZipVitMagnesium 500mgCheapest per 100 mg magnesiumZipVit · 500 mg a serving · 33p a month · a pack lasts 4.9 years1p£19.99View at ZipVit (opens in a new tab)
Magnesium Glycinate X3Protein Works · 1.81 g a serving · 40p a month · a pack lasts 2.2 years1p£10.99View at Protein Works (opens in a new tab)
Magnesium CapsHealf · 500 mg a serving · 41p a month · a pack lasts 1.4 years1p£6.75View at Healf (opens in a new tab)
Designs for HealthThis productHealf · 200 mg a serving · £39.74 a month · a pack lasts 40 days£1.32shown above

Ranked purely by price per 100 mg magnesium. 236 combination products also contain magnesium.

On the label

Creatine · Other forms
1.1 g per serving (stated on the label)
ATP (adenosine triphosphate) · ATP
400 mg per serving (stated on the label)
Pack
180 g · 20 servings · 9 g a serving
Cost per serving
£2.65 (20 servings in the pack)
More label details
Caffeine · Caffeine
100 mg per serving (stated on the label)
L-Carnitine · Acetyl-L-carnitine (ALCAR)
1.5 g per serving (stated on the label)
L-Theanine · L-theanine
200 mg per serving (stated on the label)
L-Tyrosine · N-acetyl L-tyrosine (NALT)
750 mg per serving (stated on the label)
Magnesium · Blends and other forms
200 mg per serving (stated on the label)
Sold by
Healf
What the listing says
“180g” · “Servings Per Container: 20” · “Serving Size: approx. 1 Scoop (9grams)” · “Adenosine 5 Triphosphate Disodium (PEAK ATP®) ; 400 mg”
Ingredients

Magnesium Creatine Chelate (Creatine MagnaPower®), Acetyl L-Carnitine HCl, Creatine (from Creatine MagnaPower®), N-Acetyl-L-Tyrosine, Adenosine 5 Triphosphate Disodium (PEAK ATP®), L-Theanine, Caffeine (from Green Coffee Beans), Natural flavours, Partially Hydrolyzed Guar Gum, Acidity Regulator (Citric Acid), Steviol Glycosides (Reb M), Luo Han Guo Extract (Fruit)

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

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One 5 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
£52.99Healf
First recorded
£52.991 Oct
Checked on
20 dayssince 1 Oct
Pack price at each check.
  1. First checked at Healf: £52.99

Questions about this product

How much does Designs for Health PreTrain NRG™ cost per 400 mg?

£2.65 per 400 mg, from £52.99 for 180 g at Healf, checked on 20 October 2026.

How long does one pack last?

20 days at one 400 mg dose. The pack holds 8 g in total.

How much does Designs for Health PreTrain NRG™ cost per 200 mg?

£5.30 per 200 mg, from £52.99 for 180 g at Healf, checked on 20 October 2026.

How long does one pack last?

10 days at one 200 mg dose. The pack holds 2 g in total.

How much does Designs for Health PreTrain NRG™ cost per 5 g?

£12.04 per 5 g, from £52.99 for 180 g at Healf, checked on 20 October 2026.

How long does one pack last?

4 days at one 5 g dose. The pack holds 22 g in total.

How much does Designs for Health PreTrain NRG™ cost per 1 g L-carnitine?

£1.77 per 1 g L-carnitine, from £52.99 for 180 g at Healf, checked on 20 October 2026.

How long does one pack last?

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

How much does Designs for Health PreTrain NRG™ cost per 200 mg?

£2.65 per 200 mg, from £52.99 for 180 g at Healf, checked on 20 October 2026.

How long does one pack last?

20 days at one 200 mg dose. The pack holds 4 g in total.

How much does Designs for Health PreTrain NRG™ cost per 500 mg?

£1.77 per 500 mg, from £52.99 for 180 g at Healf, checked on 20 October 2026.

How long does one pack last?

30 days at one 500 mg dose. The pack holds 15 g in total.

How much does Designs for Health PreTrain NRG™ cost per 100 mg magnesium?

£1.32 per 100 mg magnesium, from £52.99 for 180 g at Healf, checked on 20 October 2026.

How long does one pack last?

40 days at one 100 mg dose. The pack holds 4 g in total.

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