Effects of Caffeinated Beverages on Well-being

Part of paid clinical trials in San Francisco, California.

Sponsor
GUAYAKI SUSTAINABLE RAINFOREST PRODUCTS, INC.
Study ID
NCT07357818
Status
Recruiting
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Conditions

  • Beverage Intake
  • Caffeine
  • Healthy

Eligibility Criteria

Sex
ALL
Age
18 Years - 55 Years
Healthy Volunteers
Accepted

Interventions

  • Participants' typical caffeinated beverage — OTHER
    Participants will consume the caffeinated beverage they typically consume.
  • Test caffeinated beverage — OTHER
    Participants will consume a test beverage that contains caffeine.

Study Details

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

Key Dates

Start date
Nov 3, 2025
Status verified
Dec 2025
Primary completion
Apr 30, 2026
Completion
Apr 30, 2026

Study Design

Enrollment
150 participants (estimated)
Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
OTHER

Arms

  • Other: Test caffeinated beverage followed by participants' typical caffeinated beverage
  • Other: Participants' typical caffeinated beverage followed by test caffeinated beverage

Primary Outcome Measure

Subjective caffeine visual analog scales [ Time Frame: After 5 days of daily consumption ]

Central Contacts

Locations (1)

FacilityCityStateZIPSite coordinators
Alethios, Inc.San FranciscoCalifornia94109
Alethios, Inc.
[email protected]
650-206-8006

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By research site
Alethios, Inc.· San Francisco, CA

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