Den här översättningen är inte klar ännu. Den här sidan är just nu på engelska.

Gå till den engelska sidan

Can a tonic beat stress? new study seeks answers

NCT ID NCT07469527

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether a tonic called Feel Free Classic can help healthy adults feel less stressed. About 165 people will take either the tonic or a placebo for 29 days. Researchers will measure stress levels and how the body processes the tonic's ingredients.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 165 people

The number the study aims to enrol. It can still change while the study runs.

Started

Mar 2026

Expected to finish

Oct 2026

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

21 to 55 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: 1. Adults who are between 21 - 55 years of age (inclusive) at screening. 2. Have self-reported stress at screening and baseline scoring 14 - 26 (inclusive) on the PSS-10. 3. In good general health (no uncontrolled diseases or conditions) as deemed by the investigator and is able to consume the study product. 4. Not currently using, defined as ≤ 3 uses in the past 3 months prior to Baseline, any nicotine containing products (patches, gums, vapes etc.), kava products, and/or kratom products, and willing to abstain starting 14 days prior to Baseline and throughout the study. 5. Have a BMI range of 18.5 - 29.9 kg/m2 at screening and baseline. 6. Agree to follow the restrictions on concomitant treatments. 7. Agree to follow the restrictions on lifestyle. 8. Have maintained consistent dietary habits, including supplement intake, and lifestyle for the last 3 months before screening and agree to maintain them throughout the study. 9. Agree to use acceptable contraceptive methods. 10. Agree to abstain from alcohol consumption for the entire duration of the study. 11. Willing and able to agree to the requirements and restrictions of this study, be willing to give voluntary consent, be able to understand and read the questionnaires, and carry out all study-related procedures. 12. For Sub-Study participants only: * Must have suitable veins for repeated venipuncture. * Willing and able to attend video conference calls with study coordinators. Exclusion Criteria: 1. Individuals who are lactating, planning to become pregnant during the study, or pregnant as confirmed by a positive pregnancy test during study visits. 2. Have a known sensitivity, intolerability, or allergy to any of the study products, their excipients, or rescue medication. 3. Demonstrates a positive urine drug screen test for compounds listed in Table 9 Screening or Baseline visits, a positive urine cotinine test at the Screening or Baseline visits, or a positive breath alcohol test at Baseline visit. 4. Have abnormal RR or SpO2 measurements at Screening or Baseline at the discretion of the investigator. 5. Screening laboratory results showing liver enzyme levels \[Alanine Transaminase (ALT), Aspartate Transaminase (AST), Alkaline Phosphatase (ALP), Gamma-Glutamyl Transferase (GGT), total bilirubin\] ≥ 2 times the upper limit of normal, or any other clinically significant abnormal safety laboratory values as per the Investigator's discretion. 6. Is currently enrolled in another clinical trial or has received/used an investigational product in another research study within 28 days before baseline. 7. Individuals with an abnormality or obstruction of the gastrointestinal tract precluding swallowing (e.g., dysphagia) and digestion (e.g., known intestinal malabsorption, celiac disease, inflammatory bowel disease, chronic pancreatitis, steatorrhea). 8. Have Type I/Type II diabetes or thyroid disease (thyroid function to be assessed by TSH, T3, and T4 levels at Screening visit). 9. High BP at the Screening or Baseline Visit (≥140 systolic or ≥90 diastolic mmHg) 10. Have low BP (\<90 systolic or \<60 diastolic mmHg) at Baseline unless deemed clinically insignificant by the investigator and the participant is asymptomatic. 11. Have a history of heart disease, blood clotting disorders, renal or hepatic impairment/disease, or liver injury. 12. Have known genetic polymorphisms of CYP450, CYP3A4, CYP2D6, and/or CYP1A2 enzymes. 13. Individuals with active asthma or have experienced an asthma attack in the last 5 years. 14. Are receiving treatments for or have been hospitalized in the last 12 months for psychiatric disorders (e.g., depression, bipolar disorder, schizophrenia, etc.). 15. Have a history of cancer (except localized skin cancer without metastases or in situ cervical cancer) with recovery occurring within 5 years before the screening visit. 16. Reports significant blood loss or blood donation totaling between 101 mL to 449 mL of blood within 30 days before baseline or a blood donation of more than 450 mL within 56 days before baseline. 17. Reports donating plasma (e.g., plasmapheresis) within 15 days before baseline. 18. Major surgery in 3 months before screening or planned major surgery during the study. 19. History of alcohol or substance abuse (e.g., opioids, kratom) (including having been hospitalized for such an in-patient or out-patient intervention program). 20. Evidence of addictive tendency as indicated by an LDQ score ≥21. 21. Use of anxiolytic or sleep aids (natural health products or drugs) in the 4 weeks before baseline. 22. Currently consumes more than two (2) standard alcoholic beverages per day on average for 4 weeks. Note: A standard alcoholic beverage is defined as 12 ounces of beer, 5 ounces of wine, or 1.5 ounces of liquor. 23. Excessive caffeine intake, defined as habitual consumption of \>500 mg per day. 24. Any other medical conditions or use of medications/supplements/therapies that, in the opinion of the investigator, may adversely affect the participant's ability to complete the study or its measures, pose a significant risk to the participant or compromise the quality of study data.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for Anxiety are added.

Vår säkerhetsrekommendation!

Genom att skicka in godkänner du våra Användarvillkor

Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • ApexTrials

    RECRUITING

    Guelph, Ontario, N1G 0B4, Canada

More trials for these conditions

Other studies related to the condition(s) this trial covers.