Hydrate | Electrolyte Powder, Summer Berries, 90 g
£19.99 for 90 g at Myprotein. That works out at £1.02 per serving, which ranks it 94th of the 260 electrolytes we price across 9 UK retailers.
At one serving 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
Electrolytes
- Servings: 90 ÷ 4.6 per serving = 19.6
- In the pack: 19.6 × 1 serving = 19.6 servings
- £19.99 ÷ 19.6 servings × 1 serving = £1.02 per serving
- A week £1.02 × 7 = £7.15 · a month × 30 = £30.65 · a year × 365 = £372.92
- Amount per serving: priced per serving — compare what each serving contains before choosing.
Biotin
- Servings: 90 ÷ 4.6 per serving = 19.6
- In the pack: 19.6 × 1 mg = 19.6 mg
- £19.99 ÷ 19.6 mg × 5 mg = £5.11 per 5 mg
- A week £5.11 × 7 = £35.76 · a month × 30 = £153.26 · a year × 365 = £1864.62
- Amount per serving: stated on the label.
Hyaluronic acid
- Servings: 90 ÷ 4.6 per serving = 19.6
- In the pack: 19.6 × 120 mg = 2.35 g
- £19.99 ÷ 2.35 g × 100 mg = 85.1p per 100 mg
- A week 85.1p × 7 = £5.96 · a month × 30 = £25.54 · a year × 365 = £310.77
- Amount per serving: stated on the label.
Magnesium
- Servings: 90 ÷ 4.6 per serving = 19.6
- In the pack: 19.6 × 100 mg = 1.96 g
- £19.99 ÷ 1.96 g × 100 mg = £1.02 per 100 mg magnesium
- A week £1.02 × 7 = £7.15 · a month × 30 = £30.65 · a year × 365 = £372.92
- Amount per serving: stated on the label.
Potassium
- Servings: 90 ÷ 4.6 per serving = 19.6
- In the pack: 19.6 × 210 mg = 4.11 g
- £19.99 ÷ 4.11 g × 200 mg = 97.3p per 200 mg potassium
- A week 97.3p × 7 = £6.81 · a month × 30 = £29.19 · a year × 365 = £355.17
- Amount per serving: stated on the label.
Silica
- Servings: 90 ÷ 4.6 per serving = 19.6
- In the pack: 19.6 × 48.7 mg = 952.8 mg
- £19.99 ÷ 952.8 mg × 50 mg = £1.05 per 50 mg silica (as labelled)
- A week £1.05 × 7 = £7.34 · a month × 30 = £31.47 · a year × 365 = £382.88
- Amount per serving: stated on the label.
Zinc
- Servings: 90 ÷ 4.6 per serving = 19.6
- In the pack: 19.6 × 10 mg = 195.7 mg
- £19.99 ÷ 195.7 mg × 15 mg = £1.53 per 15 mg zinc
- A week £1.53 × 7 = £10.73 · a month × 30 = £45.98 · a year × 365 = £559.39
- 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 →
Switching to the Myprotein pack saves 67p a month at one serving a day.
Ranked purely by price per serving. 32 combination products also contain electrolytes.
How it compares: biotin
All 20, ranked →
Ranked purely by price per 5 mg. 244 combination products also contain biotin.
How it compares: hyaluronic acid
All 20, ranked →
Ranked purely by price per 100 mg. 74 combination products also contain hyaluronic acid.
How it compares: magnesium bisglycinate
All 66, 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. 86 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.
How it compares: silica bamboo extract
Compare every product in this form →
Ranked purely by price per 50 mg silica (as labelled). 12 combination products also contain silica.
How it compares: zinc citrate
All 17, ranked →
Ranked purely by price per 15 mg zinc. 201 combination products also contain zinc.
On the label
- Electrolytes · Electrolytes (per serving)
- 1 serving per serving (priced per serving — compare what each serving contains before choosing)
- Biotin · Biotin
- 1 mg per serving (stated on the label)
- Pack
- 90 g · 19.6 servings · 4.6 g a serving
- Cost per serving
- £1.02 (19.6 servings in the pack)
More label details
- Hyaluronic acid · Hyaluronic acid
- 120 mg per serving (stated on the label)
- Magnesium · Bisglycinate (glycinate)
- 100 mg per serving (stated on the label)
- Potassium · Chloride
- 210 mg per serving (stated on the label)
- Silica · Bamboo extract
- 48.7 mg per serving (stated on the label)
- Zinc · Citrate
- 10 mg per serving (stated on the label)
- Barcode
- 5059883569192
- Sold by
- Myprotein
- What the listing says
- “90G” · “20servings” · “1 Sachet (4.6g)” · “Biotin ; 1000 mcg”
Ingredients
Acidity Regulator (Citric Acid), Coconut Water Powder, Salt, Magnesium Bisglycinate, Natural Flavouring, Potassium Chloride, Sodium Hyaluronate, Sweetener (Steviol Glycosides from Stevia), Colour (Beetroot Red), Vitamin C, Bamboo Leaf Extract (Bambusa vulgaris) with 75% Natural Silica, Zinc Citrate Dihydrate, Biotin).
From the Myprotein 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.
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Filled in from the label’s serving: 4.6 g.
What you paid
Optional. At Myprotein today: £19.99.
“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
- £19.99Myprotein
- First recorded
- £19.993 Oct
- Checked on
- 18 dayssince 3 Oct
- First checked at Myprotein: £19.99
Questions about this product
How much does Myvitamins Hydrate | Electrolyte Powder cost per 5 mg?
£5.11 per 5 mg, from £19.99 for 90 g at Myprotein, checked on 20 October 2026.
How long does one pack last?
4 days at one 5 mg dose. The pack holds 19.6 mg in total.
How much does Myvitamins Hydrate | Electrolyte Powder cost per serving?
£1.02 per serving, from £19.99 for 90 g at Myprotein, checked on 20 October 2026.
Is it the cheapest of the electrolytes in the UK?
No, it is 94th of 260. Electrolyte Powder at Bulk works out at 6p per serving.
How long does one pack last?
20 days at one serving. The pack holds 19.6 servings in total.
How much does Myvitamins Hydrate | Electrolyte Powder cost per 100 mg?
85p per 100 mg, from £19.99 for 90 g at Myprotein, checked on 20 October 2026.
How long does one pack last?
23 days at one 100 mg dose. The pack holds 2.35 g in total.
How much does Myvitamins Hydrate | Electrolyte Powder cost per 100 mg magnesium?
£1.02 per 100 mg magnesium, from £19.99 for 90 g at Myprotein, checked on 20 October 2026.
How long does one pack last?
20 days at one 100 mg dose. The pack holds 1.96 g in total.
How much does Myvitamins Hydrate | Electrolyte Powder cost per 200 mg potassium?
97p per 200 mg potassium, from £19.99 for 90 g at Myprotein, checked on 20 October 2026.
How long does one pack last?
21 days at one 200 mg dose. The pack holds 4.11 g in total.
How much does Myvitamins Hydrate | Electrolyte Powder cost per 50 mg silica (as labelled)?
£1.05 per 50 mg silica (as labelled), from £19.99 for 90 g at Myprotein, checked on 20 October 2026.
How long does one pack last?
19 days at one 50 mg dose. The pack holds 952.8 mg in total.
How much does Myvitamins Hydrate | Electrolyte Powder cost per 15 mg zinc?
£1.53 per 15 mg zinc, from £19.99 for 90 g at Myprotein, checked on 20 October 2026.
How long does one pack last?
13 days at one 15 mg dose. The pack holds 195.7 mg in total.
About Myvitamins
Founded 2012 · Manchester, England · Part of THG plc
Myvitamins is a vitamins and supplements brand launched in August 2012 by The Hut Group, now THG plc, as a sister brand to Myprotein. It is run by THG Nutrition, part of Manchester-based THG.
All 118 Myvitamins products, priced per doseVisit Myvitamins (opens in a new tab)
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