Effects of Variations in Caffeinated Beverages on Well-being

Completed · Not applicable

Conditions studied: Healthy, Caffeine, Beverage Intake

In brief

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

Key facts

Study ID

NCT07404254

Run by

GUAYAKI SUSTAINABLE RAINFOREST PRODUCTS, INC.

People needed

75

Starts

2026-01-05

Expected to finish

2026-03-31

Last updated by the study team

2026-08-06

Who can join

Age: 18 and older, up to 55. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• 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
• Willing and able to comply with all study procedures
• Willing to adhere to all study procedures, including lifestyle considerations and sign forms providing informed consent to participate in the study

You may not qualify if…

• 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
• Unstable use of any prescription medication
• Use of any medications(s) or dietary supplement(s), containing caffeine, or interacting with caffeine
• Recent history of alcohol or substance abuse
• Exposed to any non-registered drug product
• Self-report of hypertension/high blood pressure without use of hypertensive medications
• Any known allergy or intolerance to any ingredients contained in the study product
• Any signs or symptoms of active infection of clinical relevance
• History or presence of cancer, except for non-melanoma skin cancer
• History of any major trauma or major surgical event
• Female who is pregnant, planning to be pregnant during the study period, lactating
• An employee, close relative of an employee, or participant who has a financial interest in Sponsor company or any other caffeine beverage company.
• Any condition the Investigator believes would interfere with the participant's ability to provide informed consent or comply with the study protocol
• A clinically significant medical condition that is affected by caffeine

Where it is running

• Alethios, Inc. — San Francisco, California, United States

Full record on ClinicalTrials.gov

Trial information comes from ClinicalTrials.gov and is refreshed daily. TrialsForMe does not provide medical care and does not run the studies it lists.