The skratch labs exercise hydration mix box of 20 is an all natural sports drink it replaces both the fluid and electrolytes you lose in your sweat while providing just enough calories to help fuel your working muscles flavoured with only real fruit and containing no artificial colours or preservatives our drink mix wont upset your stomach leave a bad taste in your mouth or challenge your iq with tongue twisting chem lab ingredients it just works better maybe thats why for years to