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MyproteinAmino acids & derivatives

Impact Pre-Workout, Cola, 250 g

£11.49 for 250 g at Myprotein. 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 citrulline malate53pOne 3 g dose is our comparison unit for L-Citrulline. It is not a recommendation.
A day53p
A week£3.70
A month£15.86
A year£192.92

At one 3 g dose a day, this pack lasts 22 days. A month is 30 days, so twelve of them is not quite a year.

How we worked it out

L-Citrulline

  • Servings: 250 ÷ 11.5 per serving = 21.7
  • In the pack: 21.7 × 3 g = 65.2 g
  • £11.49 ÷ 65.2 g × 3 g = 52.9p per 3 g citrulline malate
  • A week 52.9p × 7 = £3.70 · a month × 30 = £15.86 · a year × 365 = £192.92
  • Amount per serving: estimated from the compound weight using our conversion factor.

Betaine (TMG)

  • Servings: 250 ÷ 11.5 per serving = 21.7
  • In the pack: 21.7 × 1 g = 21.7 g
  • £11.49 ÷ 21.7 g × 2.5 g = £1.32 per 2.5 g
  • A week £1.32 × 7 = £9.25 · a month × 30 = £39.64 · a year × 365 = £482.29
  • Amount per serving: stated on the label.

Caffeine

  • Servings: 250 ÷ 11.5 per serving = 21.7
  • In the pack: 21.7 × 150 mg = 3.26 g
  • £11.49 ÷ 3.26 g × 200 mg = 70.5p per 200 mg
  • A week 70.5p × 7 = £4.93 · a month × 30 = £21.14 · a year × 365 = £257.22
  • Amount per serving: stated on the label.

L-Arginine

  • Servings: 250 ÷ 11.5 per serving = 21.7
  • In the pack: 21.7 × 1.5 g = 32.6 g
  • £11.49 ÷ 32.6 g × 3 g = £1.06 per 3 g
  • A week £1.06 × 7 = £7.40 · a month × 30 = £31.71 · a year × 365 = £385.83
  • Amount per serving: stated on the label.

L-Tyrosine

  • Servings: 250 ÷ 11.5 per serving = 21.7
  • In the pack: 21.7 × 1 g = 21.7 g
  • £11.49 ÷ 21.7 g × 500 mg = 26.4p per 500 mg
  • A week 26.4p × 7 = £1.85 · a month × 30 = £7.93 · a year × 365 = £96.46
  • Amount per serving: stated on the label.

Riboflavin (vitamin B2)

  • Servings: 250 ÷ 11.5 per serving = 21.7
  • In the pack: 21.7 × 1.4 mg = 30.4 mg
  • £11.49 ÷ 30.4 mg × 100 mg = £37.75 per 100 mg
  • A week £37.75 × 7 = £264.27 · a month × 30 = £1132.59 · a year × 365 = £13779.79
  • Amount per serving: stated on the label.

Vitamin B6

  • Servings: 250 ÷ 11.5 per serving = 21.7
  • In the pack: 21.7 × 1.4 mg = 30.4 mg
  • £11.49 ÷ 30.4 mg × 50 mg = £18.88 per 50 mg
  • A week £18.88 × 7 = £132.14 · a month × 30 = £566.29 · a year × 365 = £6889.90
  • Amount per serving: stated on the label.

Vitamin C

  • Servings: 250 ÷ 11.5 per serving = 21.7
  • In the pack: 21.7 × 75 mg = 1.63 g
  • £11.49 ÷ 1.63 g × 1 g = £7.05 per 1 g
  • A week £7.05 × 7 = £49.33 · a month × 30 = £211.42 · a year × 365 = £2572.23
  • 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: citrulline malate

All 4, ranked →
Citrulline MalateCheapest per 3 g L-citrullineBulk · 3 g a serving · £1.57 a month · a pack lasts 11 months5p£17.49View at Bulk (opens in a new tab)
Citrulline MalateBulk · 3 g a serving · £1.80 a month · a pack lasts 5 months6p£9.99View at Bulk (opens in a new tab)
Citrulline MalateMyprotein · 2 g a serving · £6.21 a month · a pack lasts 5 months21p£34.49View at Myprotein (opens in a new tab)
This productMyprotein · 3 g a serving · £15.86 a month · a pack lasts 22 days53pshown above

Ranked purely by price per 3 g L-citrulline. 31 combination products also contain L-Citrulline.

How it compares: betaine anhydrous

All 7, ranked →
TMG Pro PowderCheapest per 2.5 gHealf · 1 g a serving · £8.71 a month · a pack lasts 40 days29p£11.61View at Healf (opens in a new tab)
TMG Betaine 1000mg TabsHealf · 3 g a serving · £10.29 a month · a pack lasts 40 days34p£13.72View at Healf (opens in a new tab)
TMG 1000mgHealf · 1 g a serving · £10.62 a month · a pack lasts 48 days35p£16.99View at Healf (opens in a new tab)
This productMyprotein · 1 g a serving · £39.64 a month · a pack lasts 9 days£1.32shown above

Ranked purely by price per 2.5 g. 53 combination products also contain betaine (TMG).

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)
This productMyprotein · 150 mg a serving · £21.14 a month · a pack lasts 16 days70pshown above

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

How it compares: arginine AKG

Compare every product in this form →
AAKG PowderCheapest per 3 gMyprotein · 3 g a serving · £4.68 a month · a pack lasts 5 months16p£25.99View at Myprotein (opens in a new tab)
This productMyprotein · 1.5 g a serving · £31.71 a month · a pack lasts 11 days£1.06shown above

Ranked purely by price per 3 g. 26 combination products also contain L-Arginine.

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 productMyprotein · 1 g a serving · £7.93 a month · a pack lasts 43 days26pshown above

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

How it compares: riboflavin (vitamin B2)

Compare every product in this form →
RiboflavinCheapest per 100 mgHealf · 400 mg a serving · £2.31 a month · a pack lasts 8 months8p£18.49View at Healf (opens in a new tab)
Vitamin B2 100mgHealf · 100 mg a serving · £2.76 a month · a pack lasts 3 months9p£9.21View at Healf (opens in a new tab)
Vitamin B2 (Riboflavin) 50mgLamberts Healthcare (Nature's Best) · 50 mg a serving · £3.90 a month · a pack lasts 50 days13p£6.50View at Lamberts Healthcare (opens in a new tab)
This productMyprotein · 1.4 mg a serving · £1132.59 a month · a pack lasts under a day£37.75shown above

Ranked purely by price per 100 mg. 192 combination products also contain riboflavin (vitamin B2).

How it compares: vitamin B6 pyridoxine HCl

All 6, ranked →
ZipVitVitamin B6 50mgCheapest per 50 mgZipVit · 50 mg a serving · £1.00 a month · a pack lasts 12 months3p£11.99View at ZipVit (opens in a new tab)
Vitamin B6 Tablets 50mgSimply Supplements · 50 mg a serving · £1.11 a month · a pack lasts 12 months4p£13.29View at Simply Supplements (opens in a new tab)
Vitamin B6 100mgHealf · 100 mg a serving · £1.39 a month · a pack lasts 7 months5p£9.25View at Healf (opens in a new tab)
This productMyprotein · 1.4 mg a serving · £566.29 a month · a pack lasts under a day£18.88shown above

Ranked purely by price per 50 mg. 280 combination products also contain vitamin B6.

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 productMyprotein · 75 mg a serving · £211.42 a month · a pack lasts 2 days£7.05shown above

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

On the label

L-Citrulline · Citrulline malate
3 g per serving (estimated from the compound weight using our conversion factor)
Betaine (TMG) · Betaine anhydrous (TMG)
1 g per serving (stated on the label)
Pack
250 g · 21.7 servings · 11.5 g a serving
Cost per serving
53p (21.7 servings in the pack)
More label details
Caffeine · Caffeine
150 mg per serving (stated on the label)
L-Arginine · Arginine AKG
1.5 g per serving (stated on the label)
L-Tyrosine · L-tyrosine
1 g per serving (stated on the label)
Riboflavin (vitamin B2) · Riboflavin
1.4 mg per serving (stated on the label)
Vitamin B6 · Pyridoxine HCl
1.4 mg per serving (stated on the label)
Vitamin C · Standard (ascorbic acid and ascorbates)
75 mg per serving (stated on the label)
Claimed on the listing
vegetarian
Barcode
5056185715302
Sold by
Myprotein
What the listing says
“250G” · “21servings” · “Mix 11.5g” · “Betaine Anhydrous ; 1.0g”
Ingredients

L-Citrulline DL-Malate 2:1, Beta-Alanine, L-Arginine Alpha-Ketoglutarate (AAKG) 2:1, L-Tyrosine, Taurine, Betaine Anhydrous, Flavouring, Acidity Regulator (Trisodium Citrate), Anti-Caking Agents (Silicon Dioxide, Calcium Silicate), Sweeteners (Sucralose, Acesulfame K), Caffeine Anhydrous, Guarana (Paullinia cupana) Seed Extract, Vitamin C, Stabiliser (Potassium Chloride), Colours (Sunset Yellow FCF, Allura Red AC, Brilliant Blue FCF), Niacin, Vitamin B6, Vitamin B12, Vitamin B1, Vitamin B2.

From the Myprotein 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 3 October 2026. Checked on 18 days, most recently 20 October 2026.

Price at every check
£11.49Myprotein
First recorded
£11.493 Oct
Checked on
18 dayssince 3 Oct
Pack price at each check.
  1. First checked at Myprotein: £11.49

Questions about this product

How much does Myprotein Impact Pre-Workout cost per 2.5 g?

£1.32 per 2.5 g, from £11.49 for 250 g at Myprotein, checked on 20 October 2026.

How long does one pack last?

9 days at one 2.5 g dose. The pack holds 21.7 g in total.

How much does Myprotein Impact Pre-Workout cost per 200 mg?

70p per 200 mg, from £11.49 for 250 g at Myprotein, checked on 20 October 2026.

How long does one pack last?

16 days at one 200 mg dose. The pack holds 3.26 g in total.

How much does Myprotein Impact Pre-Workout cost per 3 g?

£1.06 per 3 g, from £11.49 for 250 g at Myprotein, checked on 20 October 2026.

How long does one pack last?

11 days at one 3 g dose. The pack holds 32.6 g in total.

How much does Myprotein Impact Pre-Workout cost per 3 g citrulline malate?

53p per 3 g citrulline malate, from £11.49 for 250 g at Myprotein, checked on 20 October 2026.

How long does one pack last?

22 days at one 3 g dose. The pack holds 65.2 g in total.

How much does Myprotein Impact Pre-Workout cost per 500 mg?

26p per 500 mg, from £11.49 for 250 g at Myprotein, checked on 20 October 2026.

How long does one pack last?

43 days at one 500 mg dose. The pack holds 21.7 g in total.

How much does Myprotein Impact Pre-Workout cost per 100 mg?

£37.75 per 100 mg, from £11.49 for 250 g at Myprotein, checked on 20 October 2026.

How long does one pack last?

under a day at one 100 mg dose. The pack holds 30.4 mg in total.

How much does Myprotein Impact Pre-Workout cost per 50 mg?

£18.88 per 50 mg, from £11.49 for 250 g at Myprotein, checked on 20 October 2026.

How long does one pack last?

under a day at one 50 mg dose. The pack holds 30.4 mg in total.

How much does Myprotein Impact Pre-Workout cost per 1 g?

£7.05 per 1 g, from £11.49 for 250 g at Myprotein, checked on 20 October 2026.

How long does one pack last?

2 days at one 1 g dose. The pack holds 1.63 g in total.

About Myprotein

Founded 2004 · Manchester, England · Part of THG plc

Myprotein is a sports nutrition brand founded in 2004 by Oliver Cookson and bought in 2011 by The Hut Group, now the London-listed THG plc. It is based in Manchester and is part of THG's nutrition division.

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