- ELECTROLYTE STAMINA PAK - A Electrolyte Replacement & Immune Support Drink - Electrolyte Stamina Power Pak is an easy-to-fix high performance energy drink with no caffeine, artificial flavors, or artificial stimulants. Electrolytes are needed to maintain proper fluid balance and to optimize your energy levels so you can function at your best.- ANTIOXIDANTS - Helps re-hydrate and replenish energy stores while, helping to aid against illnesses. Singlet oxygen can compromise the immune system, because it has the ability to catalyze production of free radicals. Astaxanthin and Spirulina have been shown to enhance both the non-specific and specific immune system.- PERFORMANCE & ENERGY - Power Pak Electrolytes conduct electrical impulses in the body and also help maintain your body’s acid base balance for more energy and vitality. A deficiency of any one of these electrolytes?or even an imbalance?can cause a wide range of problems, including sluggishness, fatigue, decreased energ