EFS stands for Electrolyte Fuel System. The EFS Liquid Shot is packed with the latest and greatest from First Endurance. It?s called a liquid shot because it doesn?t contain gelling agents that can slow down absorption and digestion. Save money by buying refills and refilling your flask! This refill bottle holds 32 fluid ounces of high-quality and energy-replenishing nutrients, including electrolytes and amino acids.
- 400 high-quality calories
- Over 1500mg electrolytes
- 1000mg of amino acids
- No gelling agents
