How Liquid Shot Maximizes Fast Energy

How Liquid Shot Maximizes Fast Energy

Introduction In this blog, Chief Science Officer Dr. Luke Bucci explains why, even though glucose is the body’s fuel source, Liquid Shot mixes glucose with non-glucose carb sources to exceed the amount of energy glucose can provide on its own. He also...

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Dehydration & Muscle Cramps

Dehydration & Muscle Cramps

What Causes Them & How To Avoid ThemIntroduction The most common complaint fielded at First Endurance about endurance training is cramping, known officially in scientific literature as Exercise-Associated Muscle Cramping (EAMC). This complaint is...

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When To Use EFS-PRO vs EFS

When To Use EFS-PRO vs EFS

Updated for 2021 After months of research-driven tinkering, testing, and trial, we’ve updated the formulas for EFS and EFS-PRO hydration mixes. Given the technical--and, frankly, revolutionary--nature of both formulas, we compiled a list of changes to...

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How to Fuel For Success on HOT Days

How to Fuel For Success on HOT Days

Updated for 2021 Training and racing in cold weather is entirely different than training and racing in the heat.  Strange things happen in hot conditions;  some athletes thrive while others fall apart.  Your nutrition program has a lot to do with how...

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Ultimate Pain Caves

Ultimate Pain Caves

We were curious how all of you bad-ass athletes were beating the winter blues, so we ran our first ever Ultimate Pain Cave contest on Instagram. The entries did not disappoint. From an undisclosed bunker in the Middle East to the repurposing of a...

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