• 41p per sachet
  • Prescribed on the NHS
  • 4× faster hydration

4.5 average from 10k+ happy customers★★★★★

Try SOS for just £4.99

Get 12 sachets across 3 flavours of our vitamin-enhanced electrolytes, which hydrate 4× faster than water.

  • Lemon
  • Watermelon
  • Mixed Berry
£4.99 £14.99 Starter price

12 sachets today, then 40% off your first 24-sachet pack and 30% off for life.

After your starter pack, have a 24-sachet pack delivered every:

£4.99 charged today. From day 14 you'll receive a 24-sachet pack for £14.99, then £17.49 every 8 weeks. Skip, pause or cancel anytime. Full terms

  • Pay just 41p per sachet
  • Skip, pause or cancel anytime from your account
  • Save 40% on your next order and 30% on every order after that, for as long as you subscribe

How it works

Your subscription, step by step

No surprises. Here's exactly what you'll get and what you'll pay.

  1. 1

    Today

     

    12 Sachet Discovery Pack

    £4.99

    Charged at checkout

    Try Lemon, Watermelon and Mixed Berry and find your favourite. That's about two weeks if you have one a day.

  2. 2

    Day 14

     

    24 Sachet Variety Pack

    Or swap to your preferred flavour

    £14.99 £24.99

    40% off

    We automatically move you up to the full-size Variety Pack, with every flavour included.

    Got a favourite? Swap your Variety Pack for 24 sachets of Lemon, Watermelon or Mixed Berry at the same price, anytime from your account.

  3. 3

    Then every 8 weeks

     

    24 Sachet Variety Pack

    Or swap to your preferred flavour

    £17.49 £24.99

    30% off for life

    Your price stays locked at 30% off for as long as you subscribe, whichever flavour you choose. Skip, pause or cancel anytime.

Dates shown are estimates based on ordering today, and update when you change your delivery frequency.

Why SOS

Better hydration, less sugar

4×faster hydration than water alone
10×less sugar than leading sports drinks
15calories per serving
7added vitamins & minerals: B6, B12, C, D, folic acid, magnesium, zinc

The small print, in plain English

Subscription terms

  1. First charge happens at checkout. You pay £4.99 today for the 12 Sachet Discovery Pack.
  2. Day 14: your subscription switches to the 24 Sachet Variety Pack and you're charged £14.99 (40% off the £24.99 RRP).
  3. After that: you're charged £17.49 (30% off RRP) for each 24-sachet pack, every 2, 4 or 8 weeks depending on the frequency you chose at checkout.
  4. Switching to a single flavour: your subscription is set to the 24 Sachet Variety Pack by default. You can switch it to a 24-sachet pack of Lemon, Watermelon or Mixed Berry from your account at any time before your next order is processed. The switch applies from your next order, and the price and delivery frequency stay the same: £14.99 for your second order and £17.49 for each order after that.
  5. Skip, pause or cancel anytime from your account. There's no minimum commitment and no cancellation fee. Make changes before your next order is processed.

This product is set up as a subscription using Skio selling plans, which manage your billing schedule, product switch and pricing automatically. Prices include VAT. Shipping, if any, is shown at checkout. See our Terms of Service and Refund Policy.

FAQs

Questions, answered

When will I be charged?

£4.99 at checkout today, £14.99 14 days later when your first 24-sachet pack ships, then £17.49 at the frequency you chose (every 2, 4 or 8 weeks).

Can I cancel after the Discovery Pack?

Yes. There's no minimum commitment. Cancel from your account before day 14 and you won't be charged again.

Can I choose a single flavour instead of the Variety Pack?

Yes. If you have a favourite, swap your Variety Pack for a 24-sachet pack of Lemon, Watermelon or Mixed Berry from your account. You'll pay the same price.

How do I skip, pause or cancel?

Log in to My Account and manage your subscription there, or get in touch with our team and we'll do it for you.

Does the 30% discount really last for life?

Yes. As long as your subscription stays active, each 24-sachet pack is £17.49 instead of £24.99.

Start your Discovery Pack for £4.99

Then 30% off for life. Skip, pause or cancel anytime.

Start for £4.99