There is no comparison. If you're an endurance, elite or professional athlete you already know about the high demands you require from your body. Make sure you are fueling with the right product from First Endurance. First Endurance EFS and EFS PRO. EFS drink mix provides everything you need to maximize endurance and performance during exercise. You'll notice the difference right away too. With the latest amino acid technology, superior mineral bioavailability and the addition of Malic Acid, EFS drinks refuel working muscles faster than ever before. Plus they are better tasting compared to Skratch Labs without being chalky or overpoweringly sweet. With the highest electrolyte content available (1160mg of all 5 electrolytes/serving), there's no need to carry those extra electrolyte pills or add anything else. The all-new EFS-Pro drink features the latest research and technology and was developed to meet the extreme requirements of professional endurance athletes. EFS-Pro contains a revolutionary new carbohydrate source that has a significantly lower osmolality than any other carbohydrate available so you can consume more calories and electrolytes than ever before without gastric distress. We think you'll find that First Endurance EFS is a far Superior product compared to Skratch Labs Exercise drink mixes - there is no comparing.
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