Energy Dense Fueling for Cold Exposure

This trial aims to study how different types of energy bars affect exercise performance and energy use in cold weather. Participants will consume bars high in either carbohydrates or fats while exercising in a cold environment. The goal is to determine which type of bar better maintains energy and performance. This trial suits physically active men and women who exercise at least twice a week and are comfortable in cold conditions. As an unphased trial, participants contribute to valuable research that may enhance exercise nutrition strategies.

The trial requires participants to stop using medications that affect macronutrient utilization or the ability to exercise, such as diabetes medications, statins, and corticosteroids. If you are on such medications, you may need to stop taking them to participate.

In a previous study, researchers found that eating foods high in fat and calories can help people maintain energy levels in cold conditions. These foods might replace the energy lost in cold weather. However, detailed information about the safety of a high-fat snack bar specifically for cold conditions is lacking.

Studies on high-fat diets usually show that most people tolerate them well. However, detailed information about any side effects from this specific high-fat bar is unavailable. Generally, these studies suggest such products are safe, but individual reactions can vary.

Researchers are excited about the Energy Dense Fueling approach for cold exposure because it explores how different nutritional compositions can optimize energy use in extreme environments. Unlike traditional methods that may rely on balanced meals or standard energy bars, this trial examines the effects of a Higher Fat Supplement Bar and a Higher Carbohydrate Supplement Bar to determine which is more effective at providing sustained energy and warmth. By pinpointing the optimal nutritional strategy, this approach could offer a tailored solution for individuals facing harsh, cold conditions, potentially improving endurance and comfort more effectively than existing options.

Research shows that consuming foods high in fat and calories can increase energy intake, which may be beneficial in cold weather. Exposure to cold makes the body use more energy, leading to increased calorie burning. Cold conditions can also activate brown fat, which helps burn regular fat and maintain warmth. Studies have found that people tend to consume more fat than carbohydrates or proteins in cold conditions, suggesting that a higher-fat diet might be more effective. In this trial, participants will receive either the Higher Fat Supplement Bar or the Higher Carbohydrate Supplement Bar. The Higher Fat Supplement Bar may help maintain energy and performance in cold weather.¹⁴⁶⁷⁸