Origin Intra-Workout, Original (White), 1.2 kg
£14.99 for 1.2 kg 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.
At one 2.5 g dose a day, this pack lasts 20 days. A month is 30 days, so twelve of them is not quite a year.
How we worked it out
Betaine (TMG)
- Servings: 1200 ÷ 60 per serving = 20
- In the pack: 20 × 2.5 g = 50 g
- £14.99 ÷ 50 g × 2.5 g = 75p per 2.5 g
- A week 75p × 7 = £5.25 · a month × 30 = £22.49 · a year × 365 = £273.57
- Amount per serving: stated on the label.
Carbohydrate powders
- Servings: 1200 ÷ 60 per serving = 20
- In the pack: 20 × 30 g = 600 g
- £14.99 ÷ 600 g × 50 g = £1.25 per 50 g
- A week £1.25 × 7 = £8.74 · a month × 30 = £37.48 · a year × 365 = £455.95
- Amount per serving: stated on the label.
D-Ribose
- Servings: 1200 ÷ 60 per serving = 20
- In the pack: 20 × 5 g = 100 g
- £14.99 ÷ 100 g × 5 g = 75p per 5 g
- A week 75p × 7 = £5.25 · a month × 30 = £22.49 · a year × 365 = £273.57
- Amount per serving: stated on the label.
L-Leucine
- Servings: 1200 ÷ 60 per serving = 20
- In the pack: 20 × 3.5 g = 70 g
- £14.99 ÷ 70 g × 3 g = 64.2p per 3 g
- A week 64.2p × 7 = £4.50 · a month × 30 = £19.27 · a year × 365 = £234.49
- Amount per serving: stated on the label.
L-Tryptophan
- Servings: 1200 ÷ 60 per serving = 20
- In the pack: 20 × 100 mg = 2 g
- £14.99 ÷ 2 g × 500 mg = £3.75 per 500 mg
- A week £3.75 × 7 = £26.23 · a month × 30 = £112.43 · a year × 365 = £1367.84
- Amount per serving: stated on the label.
Magnesium
- Servings: 1200 ÷ 60 per serving = 20
- In the pack: 20 × 60 mg = 1.2 g
- £14.99 ÷ 1.2 g × 100 mg = £1.25 per 100 mg magnesium
- A week £1.25 × 7 = £8.74 · a month × 30 = £37.48 · a year × 365 = £455.95
- Amount per serving: stated on the label.
Potassium
- Servings: 1200 ÷ 60 per serving = 20
- In the pack: 20 × 300 mg = 6 g
- £14.99 ÷ 6 g × 200 mg = 50p per 200 mg potassium
- A week 50p × 7 = £3.50 · a month × 30 = £14.99 · a year × 365 = £182.38
- 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: betaine anhydrous
All 7, ranked →Ranked purely by price per 2.5 g. 53 combination products also contain betaine (TMG).
How it compares: cyclic dextrin
All 10, ranked →Ranked purely by price per 50 g. 2 combination products also contain carbohydrate powders.
How it compares: D-Ribose
Compare every product in this form →Ranked purely by price per 5 g. 21 combination products also contain D-Ribose.
How it compares: L-Tryptophan
Compare every product in this form →Ranked purely by price per 500 mg. 29 combination products also contain L-Tryptophan.
How it compares: magnesium citrate
All 38, ranked →Ranked purely by price per 100 mg magnesium. Labels here do not all state the same thing: this one gives stated on the label, the cheapest gives estimated from the compound weight using our conversion factor. Check both before choosing. 187 combination products also contain magnesium.
How it compares: potassium chloride
Compare every product in this form →Ranked purely by price per 200 mg potassium. 149 combination products also contain potassium.
On the label
- Betaine (TMG) · Betaine anhydrous (TMG)
- 2.5 g per serving (stated on the label)
- Carbohydrate powders · Cyclic dextrin (cluster dextrin)
- 30 g per serving (stated on the label)
- Pack
- 1.2 kg · 20 servings · 60 g a serving
- Cost per serving
- 75p (20 servings in the pack)
More label details
- D-Ribose · D-Ribose
- 5 g per serving (stated on the label)
- L-Leucine · L-Leucine
- 3.5 g per serving (stated on the label)
- L-Tryptophan · L-Tryptophan
- 100 mg per serving (stated on the label)
- Magnesium · Citrate
- 60 mg per serving (stated on the label)
- Potassium · Chloride
- 300 mg per serving (stated on the label)
- Claimed on the listing
- vegan, vegetarian
- Barcode
- 5059883488516
- Sold by
- Myprotein
- What the listing says
- “1.2kg” · “20servings” · “Mix 60g” · “Betaine ; 2500.0mg”
Ingredients
Highly Branched Cyclic Dextrin, D-Ribose, L-Citrulline DL-Malate, L-Leucine, Betaine, Inulin, Acids (Citric Acid, Malic Acid), Sodium Citrate, L-Threonine, L-Lysine Hydrochloride, Taurine, Coconut Water Powder, Flavouring, L-Isoleucine, L-Valine, L-Histidine, Emulsifier (Sunflower Lecithin), Natural Flavourings, Potassium Chloride, L-Phenylalanine, L-Methionine, Magnesium Salts of Citric Acid, Sweeteners (Acesulfame K, Sucralose, Steviol Glycosides from Stevia), L-Tryptophan.
From the Myprotein listing. Check the pack itself if you have an allergy: labels mark allergens in bold.
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One 2.5 g dose is our comparison unit, not a recommendation.
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Filled in from the label’s serving: 60 g.
What you paid
Optional. At Myprotein today: £14.99.
“Order by” allows 3 working days’ delivery from Myprotein and your spare days.
Price history
No price change since 3 October 2026. Checked on 18 days, most recently 20 October 2026.
- Price at every check
- £14.99Myprotein
- First recorded
- £14.993 Oct
- Checked on
- 18 dayssince 3 Oct
- First checked at Myprotein: £14.99
Questions about this product
How much does Myprotein Origin Intra-Workout cost per 2.5 g?
75p per 2.5 g, from £14.99 for 1.2 kg at Myprotein, checked on 20 October 2026.
How long does one pack last?
20 days at one 2.5 g dose. The pack holds 50 g in total.
How much does Myprotein Origin Intra-Workout cost per 50 g?
£1.25 per 50 g, from £14.99 for 1.2 kg at Myprotein, checked on 20 October 2026.
How long does one pack last?
12 days at one 50 g dose. The pack holds 600 g in total.
How much does Myprotein Origin Intra-Workout cost per 5 g?
75p per 5 g, from £14.99 for 1.2 kg at Myprotein, checked on 20 October 2026.
How long does one pack last?
20 days at one 5 g dose. The pack holds 100 g in total.
How much does Myprotein Origin Intra-Workout cost per 3 g?
64p per 3 g, from £14.99 for 1.2 kg at Myprotein, checked on 20 October 2026.
How long does one pack last?
23 days at one 3 g dose. The pack holds 70 g in total.
How much does Myprotein Origin Intra-Workout cost per 500 mg?
£3.75 per 500 mg, from £14.99 for 1.2 kg at Myprotein, checked on 20 October 2026.
How long does one pack last?
4 days at one 500 mg dose. The pack holds 2 g in total.
How much does Myprotein Origin Intra-Workout cost per 100 mg magnesium?
£1.25 per 100 mg magnesium, from £14.99 for 1.2 kg at Myprotein, checked on 20 October 2026.
How long does one pack last?
12 days at one 100 mg dose. The pack holds 1.2 g in total.
How much does Myprotein Origin Intra-Workout cost per 200 mg potassium?
50p per 200 mg potassium, from £14.99 for 1.2 kg at Myprotein, checked on 20 October 2026.
How long does one pack last?
30 days at one 200 mg dose. The pack holds 6 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.
All 558 Myprotein products, priced per doseVisit Myprotein (opens in a new tab)
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