NCT07357818

Effects of Caffeinated Beverages on Well-being

A Randomized, Decentralized, Crossover, Open-Label Trial to Assess Subjective and Physiological Responses to Consumption of Caffeinated Beverages in Healthy Adults With a Caffeine Routine

• Status: Recruiting
• Phase: N/A
• Study type: Interventional
• Enrollment: 150 (estimated)
• Sponsor: GUAYAKI SUSTAINABLE RAINFOREST PRODUCTS, INC. · Industry
• Sex: All
• Age: 18 Years – 55 Years
• Healthy volunteers: Accepted

Summary

This study will evaluate post-beverage subjective caffeine responses and physiological responses to caffeinated beverages in generally healthy adults.

Detailed description

This will evaluate post-beverage subjective caffeine responses using visual analog scale questionnaires, mood, quality of life, and physiological responses to caffeine beverages compared to participants' habitual caffeine beverage intake in generally healthy adults.

Conditions

• Healthy
• Caffeine
• Beverage Intake

Interventions

Type	Name	Description
OTHER	Participants' typical caffeinated beverage	Participants will consume the caffeinated beverage they typically consume.
OTHER	Test caffeinated beverage	Participants will consume a test beverage that contains caffeine.

Timeline

• Start date: 2025-11-03
• Primary completion: 2026-04-01
• Completion: 2026-04-01
• First posted: 2026-01-22
• Last updated: 2026-01-22

Locations

1 site across 1 country: United States