Written By
John Schaefer
Reviewed By
Paul Winsper, Chief Science and Performance Officer, AlterMe


Understanding macronutrients is key to energy, recovery, and long-term results. Learn how protein, carbs, and fats work together to support your body, and how to track macros in a way that's simple, flexible, and sustainable.

Calories are complicated. But, understanding them is also crucial to reaching your body composition goals—whether that is figuring out your ideal calorie deficit for weight loss, or even a calorie surplus for those looking to gain muscle mass.

Explore how gut health affects energy, fatigue, and hormone balance. Learn how the microbiome impacts metabolism, nutrient absorption, and inflammation—and how to boost energy naturally.