Acute Effects of Commercial Yerba Mate Products on Cardiometabolic Responses during Submaximal Cycling: Brewed to Perform?

ABSTRACT:

Background

Yerba mate (Ilex paraguariensis) is an herb native to South America known for its caffeine and polyphenol content, with suggested benefits for fat oxidation and energy metabolism. However, few studies have evaluated its brewed forms during exercise, particularly across different commercial brands.

Objectives

This study aimed to evaluate and compare the acute effects of two commercially available brands of brewed yerba mate on substrate oxidation and energy expenditure in healthy and overweight/obese adults during very low- to moderate-intensity exercise.

Methods

A randomized crossover study comprising 29 healthy adults (15 men and 14 women) consumed 4 different drinks across separate visits: 2 commercially brewed yerba mate brands (AYM and KYM), wate

SUBMITTER: Zaki S 

PROVIDER: S-EPMC12906188 | biostudies-literature | 2026 Feb

REPOSITORIES: biostudies-literature