O.R.S Hydration Tablets with Electrolytes, Vegan, Gluten And Lactose Free Formula – Soluble Sports Hydration Tablets with Natural Blackcurrant Flavour, 72 Tablets (Pack of 6 x 12) : Amazon.co.uk: Health & Personal Care
PH 1000 electrolyte drink - 2x stronger than typical sports drinks! by Precision Fuel & Hydration
Nuun Sport + Caffeine Mango Orange Electrolyte Tablets (1 tube) | Ultramarathon Running Store