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Ancient NutritionSports & performance

Rapid Hydration Powder, Lemon Lime, 15 sachets

£22.99 for 15 sachets at Healf. That works out at £1.53 per serving, which ranks it 219th of the 260 electrolytes we price across 9 UK retailers.

What it really costs, per serving£1.53One serving is our comparison unit for electrolytes. It is not a recommendation.
A day£1.53
A week£10.73
A month£45.98
A year£559.42

At one serving a day, this pack lasts 15 days. A month is 30 days, so twelve of them is not quite a year.

How we worked it out

Electrolytes

  • Servings: 15 ÷ 1 per serving = 15
  • In the pack: 15 × 1 serving = 15 servings
  • £22.99 ÷ 15 servings × 1 serving = £1.53 per serving
  • A week £1.53 × 7 = £10.73 · a month × 30 = £45.98 · a year × 365 = £559.42
  • Amount per serving: priced per serving — compare what each serving contains before choosing.

Calcium

  • Servings: 15 ÷ 1 per serving = 15
  • In the pack: 15 × 66 mg = 990 mg
  • £22.99 ÷ 990 mg × 500 mg = £11.61 per 500 mg calcium
  • A week £11.61 × 7 = £81.28 · a month × 30 = £348.33 · a year × 365 = £4238.06
  • Amount per serving: stated on the label.

Magnesium

  • Servings: 15 ÷ 1 per serving = 15
  • In the pack: 15 × 76 mg = 1.14 g
  • £22.99 ÷ 1.14 g × 100 mg = £2.02 per 100 mg magnesium
  • A week £2.02 × 7 = £14.12 · a month × 30 = £60.50 · a year × 365 = £736.08
  • Amount per serving: stated on the label.

Potassium

  • Servings: 15 ÷ 1 per serving = 15
  • In the pack: 15 × 280 mg = 4.2 g
  • £22.99 ÷ 4.2 g × 200 mg = £1.09 per 200 mg potassium
  • A week £1.09 × 7 = £7.66 · a month × 30 = £32.84 · a year × 365 = £399.59
  • 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.

Cheaper electrolytes

All 260, ranked →
Recharge ElectrolytesHealf · 1 serving a serving · £45.57 a month · a pack lasts 10 days£1.52£15.19View at Healf (opens in a new tab)
Recharge ElectrolytesHealf · 1 serving a serving · £45.57 a month · a pack lasts 10 days£1.52£15.19View at Healf (opens in a new tab)
Recharge ElectrolytesHealf · 1 serving a serving · £45.57 a month · a pack lasts 10 days£1.52£15.19View at Healf (opens in a new tab)
Recharge ElectrolytesHealf · 1 serving a serving · £45.57 a month · a pack lasts 10 days£1.52£15.19View at Healf (opens in a new tab)
Recharge ElectrolytesHealf · 1 serving a serving · £45.57 a month · a pack lasts 10 days£1.52£15.19View at Healf (opens in a new tab)
This productHealf · 1 serving a serving · £45.98 a month · a pack lasts 15 days£1.53shown above

Switching to the Healf pack saves 41p a month at one serving a day.

Ranked purely by price per serving. 32 combination products also contain electrolytes.

How it compares: other forms of calcium

All 25, ranked →
Calcium 1000mg & Vitamin D3 400iu TabletsCheapest per 500 mg calciumSimply Supplements · 1 g a serving · 94p a month · a pack lasts 12 months3p£11.29View at Simply Supplements (opens in a new tab)
Calcium & Magnesium TabletsMyprotein · 800 mg a serving · £2.29 a month · a pack lasts 5 months8p£10.99View at Myprotein (opens in a new tab)
ZipVitCalcium 400mg with Magnesium 200mgZipVit · 400 mg a serving · £2.29 a month · a pack lasts 9 months8p£21.99View at ZipVit (opens in a new tab)
This productHealf · 66 mg a serving · £348.33 a month · a pack lasts 2 days£11.61shown above

Ranked purely by price per 500 mg calcium. 216 combination products also contain calcium.

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)
This productHealf · 76 mg a serving · £60.50 a month · a pack lasts 11 days£2.02shown above

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

How it compares: other forms of potassium

Compare every product in this form →
Ionic Potassium Liquid ConcentrateCheapest per 200 mg potassiumHealf · 300 mg a serving · £15.60 a month · a pack lasts 38 days52p£19.50View at Healf (opens in a new tab)
Ionic Potassium Liquid ConcentrateMyprotein · 300 mg a serving · £16.00 a month · a pack lasts 38 days53p£20.00View at Myprotein (opens in a new tab)
This productHealf · 280 mg a serving · £32.84 a month · a pack lasts 21 days£1.09shown above

Ranked purely by price per 200 mg potassium. 58 combination products also contain potassium.

On the label

Electrolytes · Electrolytes (per serving)
1 serving per serving (priced per serving — compare what each serving contains before choosing)
Calcium · Other forms
66 mg per serving (stated on the label)
Pack
15 sachets · 15 servings · 1 sachet(s) a serving
Cost per serving
£1.53 (15 servings in the pack)
More label details
Magnesium · Blends and other forms
76 mg per serving (stated on the label)
Potassium · Other forms
280 mg per serving (stated on the label)
Sold by
Healf
What the listing says
“15 ct” · “Servings Per Container: 15” · “Serving Size: 1 Stick (6g)” · “(from Lithothamnion spp.) ; 66 mg”
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One serving 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
£22.99Healf
First recorded
£22.991 Oct
Checked on
20 dayssince 1 Oct
Pack price at each check.
  1. First checked at Healf: £22.99

Questions about this product

How much does Ancient Nutrition Rapid Hydration Powder cost per 500 mg calcium?

£11.61 per 500 mg calcium, from £22.99 for 15 sachets at Healf, checked on 20 October 2026.

How long does one pack last?

2 days at one 500 mg dose. The pack holds 990 mg in total.

How much does Ancient Nutrition Rapid Hydration Powder cost per serving?

£1.53 per serving, from £22.99 for 15 sachets at Healf, checked on 20 October 2026.

Is it the cheapest of the electrolytes in the UK?

No, it is 219th of 260. Electrolyte Powder at Bulk works out at 6p per serving.

How long does one pack last?

15 days at one serving. The pack holds 15 servings in total.

How much does Ancient Nutrition Rapid Hydration Powder cost per 100 mg magnesium?

£2.02 per 100 mg magnesium, from £22.99 for 15 sachets at Healf, checked on 20 October 2026.

How long does one pack last?

11 days at one 100 mg dose. The pack holds 1.14 g in total.

How much does Ancient Nutrition Rapid Hydration Powder cost per 200 mg potassium?

£1.09 per 200 mg potassium, from £22.99 for 15 sachets at Healf, checked on 20 October 2026.

How long does one pack last?

21 days at one 200 mg dose. The pack holds 4.2 g in total.

About Ancient Nutrition

All 39 Ancient Nutrition products, priced per dose

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