RecruitingNot Applicable

Effects of Variations in Caffeinated Beverages on Well-being

United States75 participantsStarted 2026-01-05

Plain-language summary

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

Who can participate

Age range18 Years – 55 Years

SexALL

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Inclusion criteria

✓. Males or females, ≥18 to ≤55 years of age
✓. BMI ≥18.5 and \<35.0 kg/m2
✓. Generally good health
✓. Participant currently and consistently has a sweetened caffeine routine
✓. Participant is willing to substitute their current caffeine routine for the test beverage daily
✓. Participant has never consumed the test beverage or similar products
✓. Participant currently owns a wearable and is willing to use and connect the wearable device
✓. Willing to use personal smart phone, tablet, or personal computer with stable internet connection

Exclusion criteria

✕. History or presence, on the basis of the health history, of clinically important condition or disease states
✕. Is currently following, or planning to be on, a weight loss regimen
✕. Weight loss or gain \>4.5 kg
✕. History of gastrointestinal surgery for weight reducing purposes or gastrointestinal (GI) conditions
✕. History of an eating disorder (e.g., anorexia nervosa or bulimia nervosa, binge eating) at the discretion of the Clinical Investigator.
✕. History of unconventional sleep patterns (e.g., night shift) or diagnosed sleep disorder
✕. Use of tobacco/nicotine products
✕. Use of hemp/marijuana products

What they're measuring

Subjective caffeine visual analog scales

Timeframe: Day 5

Trial details

NCT IDNCT07404254

SponsorGUAYAKI SUSTAINABLE RAINFOREST PRODUCTS, INC.

Sponsor typeINDUSTRY

Study typeINTERVENTIONAL

Primary completion2026-03-31

Contact for this trial

VP Product Innovation, Guayaki Sustainable Rainforest Products

609-799-6067 info@guayaki.com

View on ClinicalTrials.gov More Healthy trials