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Seeking HealthSports & performance

Optimal Electrolyte Powder, Seltzer

£25.99 for 30 servings at Healf. That works out at 87p per serving, which ranks it 72nd of the 260 electrolytes we price across 9 UK retailers.

What it really costs, per serving87pOne serving is our comparison unit for electrolytes. It is not a recommendation.
A day87p
A week£6.06
A month£25.99
A year£316.21

At one serving 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

Electrolytes

  • In the pack: 30 × 1 serving = 30 servings
  • £25.99 ÷ 30 servings × 1 serving = 86.6p per serving
  • A week 86.6p × 7 = £6.06 · a month × 30 = £25.99 · a year × 365 = £316.21
  • Amount per serving: priced per serving — compare what each serving contains before choosing.

ATP (adenosine triphosphate)

  • In the pack: 30 × 100 mg = 3 g
  • £25.99 ÷ 3 g × 400 mg = £3.47 per 400 mg
  • A week £3.47 × 7 = £24.26 · a month × 30 = £103.96 · a year × 365 = £1264.85
  • Amount per serving: stated on the label.

Creatine

  • In the pack: 30 × 1 g = 30 g
  • £25.99 ÷ 30 g × 5 g = £4.33 per 5 g
  • A week £4.33 × 7 = £30.32 · a month × 30 = £129.95 · a year × 365 = £1581.06
  • Amount per serving: stated on the label.

Magnesium

  • In the pack: 30 × 125 mg = 3.75 g
  • £25.99 ÷ 3.75 g × 100 mg = 69.3p per 100 mg magnesium
  • A week 69.3p × 7 = £4.85 · a month × 30 = £20.79 · a year × 365 = £252.97
  • Amount per serving: stated on the label.

Niacin (vitamin B3)

  • In the pack: 30 × 25 mg = 750 mg
  • £25.99 ÷ 750 mg × 500 mg = £17.33 per 500 mg
  • A week £17.33 × 7 = £121.29 · a month × 30 = £519.80 · a year × 365 = £6324.23
  • Amount per serving: stated on the label.

Potassium

  • In the pack: 30 × 500 mg = 15 g
  • £25.99 ÷ 15 g × 200 mg = 34.7p per 200 mg potassium
  • A week 34.7p × 7 = £2.43 · a month × 30 = £10.40 · a year × 365 = £126.48
  • Amount per serving: stated on the label.

Taurine

  • In the pack: 30 × 500 mg = 15 g
  • £25.99 ÷ 15 g × 1 g = £1.73 per 1 g
  • A week £1.73 × 7 = £12.13 · a month × 30 = £51.98 · a year × 365 = £632.42
  • 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 →
Ultra ElectrolytesHealf · 1 serving a serving · £24.60 a month · a pack lasts 30 days82p£24.60View at Healf (opens in a new tab)
Re-Lyte HydrationHealf · 1 serving a serving · £24.75 a month · a pack lasts 2 months82p£49.49View at Healf (opens in a new tab)
Electrolyte GummiesMyprotein · 1 serving a serving · £24.98 a month · a pack lasts 15 days83p£12.49View at Myprotein (opens in a new tab)
Transparent LabsHydrate - Raspberry Lemonade - 30 stick packsHealf · 1 serving a serving · £24.99 a month · a pack lasts 30 days83p£24.99View at Healf (opens in a new tab)
Optimal Electrolyte SticksHealf · 1 serving a serving · £24.99 a month · a pack lasts 30 days83p£24.99View at Healf (opens in a new tab)
This productHealf · 1 serving a serving · £25.99 a month · a pack lasts 30 days87pshown above

Switching to the Healf pack saves £1.39 a month at one serving a day.

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

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)
This productHealf · 100 mg a serving · £103.96 a month · a pack lasts 8 days£3.47shown above

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

How it compares: creatine monohydrate

All 160, ranked →
Creatine 360 1kg Berry BlitzCheapest per 5 gProtein Works · 2.7 g a serving · £2.83 a month · a pack lasts 6 months9p£16.99View at Protein Works (opens in a new tab)
Creatine Monohydrate PowderBulk · 5 g a serving · £3.00 a month · a pack lasts 7 months10p£19.99View at Bulk (opens in a new tab)
Creatine 360 1kg Best SellerProtein Works · 3 g a serving · £3.00 a month · a pack lasts 7 months10p£19.99View at Protein Works (opens in a new tab)
This productHealf · 1 g a serving · £129.95 a month · a pack lasts 6 days£4.33shown above

Ranked purely by price per 5 g. 73 combination products also contain creatine.

How it compares: magnesium malate

All 7, ranked →
Magnesium MalateCheapest per 100 mg magnesiumHealf · 225 mg a serving · £1.86 a month · a pack lasts 10 months6p£19.50View at Healf (opens in a new tab)
Magnesium Malate 1,000 mgHealf · 113 mg a serving · £2.36 a month · a pack lasts 7 months8p£15.99View at Healf (opens in a new tab)
Designs for HealthMagnesium MalateHealf · 360 mg a serving · £3.26 a month · a pack lasts 1.2 years11p£46.99View at Healf (opens in a new tab)
This productHealf · 125 mg a serving · £20.79 a month · a pack lasts 38 days69pshown above

Ranked purely by price per 100 mg magnesium. 84 combination products also contain magnesium.

How it compares: niacin (vitamin B3) inositol hexanicotinate

Compare every product in this form →
Niacin No-Flush 500mgCheapest per 500 mgHealf · 455 mg a serving · £10.12 a month · a pack lasts 46 days34p£15.35View at Healf (opens in a new tab)
Niacitol 500 mgHealf · 500 mg a serving · £13.71 a month · a pack lasts 2 months46p£27.42View at Healf (opens in a new tab)
This productHealf · 25 mg a serving · £519.80 a month · a pack lasts 2 days£17.33shown above

Ranked purely by price per 500 mg. 10 combination products also contain niacin (vitamin B3).

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 · 500 mg a serving · £10.40 a month · a pack lasts 2 months35pshown above

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

How it compares: taurine

All 10, ranked →
TaurineCheapest per 1 gBulk · 1 g a serving · 27p a month · a pack lasts 2.7 years1p£8.89View at Bulk (opens in a new tab)
TaurineBulk · 1 g a serving · 27p a month · a pack lasts 1.4 years1p£4.49View at Bulk (opens in a new tab)
L-Taurine 1200mgSimply Supplements · 1.2 g a serving · £2.23 a month · a pack lasts 5 months7p£10.69View at Simply Supplements (opens in a new tab)
This productHealf · 500 mg a serving · £51.98 a month · a pack lasts 15 days£1.73shown above

Ranked purely by price per 1 g. 59 combination products also contain taurine.

On the label

Electrolytes · Electrolytes (per serving)
1 serving per serving (priced per serving — compare what each serving contains before choosing)
ATP (adenosine triphosphate) · ATP
100 mg per serving (stated on the label)
Pack
30 servings · 5.62 g a serving
Cost per serving
87p (30 servings in the pack)
More label details
Creatine · Monohydrate
1 g per serving (stated on the label)
Magnesium · Malate
125 mg per serving (stated on the label)
Niacin (vitamin B3) · Inositol hexanicotinate (no-flush)
25 mg per serving (stated on the label)
Potassium · Other forms
500 mg per serving (stated on the label)
Taurine · Taurine
500 mg per serving (stated on the label)
Sold by
Healf
What the listing says
“Servings Per Container: 30” · “Serving Size: 1 Scoop (5.62g)” · “Tri-phosphate Disodium) ; 100 mg”
Ingredients

Creatine (as Creatine Monohydrate), Taurine, Potassium (as Potassium Bicarbonate), Chloride (from Himalayan Pink Salt), Magnesium (as Di-Magnesium Malate)(Albion®), PEAK ATP® Adenosine 5'-Triphosphate (as Adenosine 5'-Tri-phosphate Disodium), Niacin (as Inositol Hexanicotinate), Acidity Regulator (Malic Acid)

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

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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
£25.99Healf
First recorded
£25.991 Oct
Checked on
20 dayssince 1 Oct
Pack price at each check.
  1. First checked at Healf: £25.99

Questions about this product

How much does Seeking Health Optimal Electrolyte Powder cost per 400 mg?

£3.47 per 400 mg, from £25.99 for 30 servings at Healf, checked on 20 October 2026.

How long does one pack last?

8 days at one 400 mg dose. The pack holds 3 g in total.

How much does Seeking Health Optimal Electrolyte Powder cost per 5 g?

£4.33 per 5 g, from £25.99 for 30 servings at Healf, checked on 20 October 2026.

How long does one pack last?

6 days at one 5 g dose. The pack holds 30 g in total.

How much does Seeking Health Optimal Electrolyte Powder cost per serving?

87p per serving, from £25.99 for 30 servings at Healf, checked on 20 October 2026.

Is it the cheapest of the electrolytes in the UK?

No, it is 72nd of 260. Electrolyte Powder at Bulk works out at 6p per serving.

How long does one pack last?

30 days at one serving. The pack holds 30 servings in total.

How much does Seeking Health Optimal Electrolyte Powder cost per 100 mg magnesium?

69p per 100 mg magnesium, from £25.99 for 30 servings at Healf, checked on 20 October 2026.

How long does one pack last?

38 days at one 100 mg dose. The pack holds 3.75 g in total.

How much does Seeking Health Optimal Electrolyte Powder cost per 500 mg?

£17.33 per 500 mg, from £25.99 for 30 servings at Healf, checked on 20 October 2026.

How long does one pack last?

2 days at one 500 mg dose. The pack holds 750 mg in total.

How much does Seeking Health Optimal Electrolyte Powder cost per 200 mg potassium?

35p per 200 mg potassium, from £25.99 for 30 servings at Healf, checked on 20 October 2026.

How long does one pack last?

2 months at one 200 mg dose. The pack holds 15 g in total.

How much does Seeking Health Optimal Electrolyte Powder cost per 1 g?

£1.73 per 1 g, from £25.99 for 30 servings at Healf, checked on 20 October 2026.

How long does one pack last?

15 days at one 1 g dose. The pack holds 15 g in total.

About Seeking Health

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