Cadence Core Hydration Sachets — Science-Backed Electrolyte Mix Cadence Core delivers a precise electrolyte ratio of sodium, potassium, and marine magnesium to maintain cellular hydration and fluid balance. Built for daily hydration, training, and recovery. Buy Cadence Core Hydration Sachets in Canada at Anthem Supplements. Key Benefits 500mg Sodium: Optimizes hydration through improved fluid absorption and retention. 200mg Potassium: Regulates cellular fluid balance, cardiovascular health, and nerve and muscle function. 20mg Marine Magnesium (Aquamin): Supports electrolyte balance, energy metabolism, and muscle function. What Makes Cadence Core Different Cadence formulates around a science-backed electrolyte ratio rather than chasing a flavour-first profile. The use of Aquamin marine magnesium — sourced from red seaweed — gives a more bioavailable mineral form than synthetic magnesium oxide commonly found in cheaper hydration mixes. Flavours Available Melonberry, Orange.