O.R.S Hydration Tablets with Electrolytes, Vegan, Gluten and Lactose Free Formula – Soluble Hydration Tablets with Natural Blackcurrant Flavour, 24 Tablets : Amazon.co.uk: Health & Personal Care
Amazon.com: Nuun Sport Electrolyte Tablets for Proactive Hydration, Variety Pack, 6 Pack (60 Servings) : Health & Household