Can a supplement boost your sex life? new study investigates
NCT ID NCT06590337
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tested whether certain dietary supplements can improve sexual health and satisfaction in men. Over 1,200 adults took either an active supplement or a placebo for 6 weeks, without knowing which they received. Researchers measured changes in sexual function, stress, and fatigue using standard questionnaires.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- dietary supplement (Radicle Spark Active Study Product)
- What this could lead to
- If the active supplement works better than placebo, it could offer a natural option for improving sexual satisfaction and reducing stress in men.
- What could go wrong
- This is a completed study, but results are not yet published. Dietary supplements often show no benefit over placebo, and any effects may be small or due to chance.
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
-
1,202 people
The number who actually took part.
- Started
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Oct 2024
- Finished
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Jan 2025
- Lead sponsor
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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
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21 to 105 years
- Sex
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Male participants only
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide 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: * Adults, at least 21 years of age at the time of electronic consent, inclusive of all ethnicities, races, and gender identities: Assigned sex at birth is male * Resides in the United States * Endorses as improved libido (sex drive), sexual satisfaction and/or function as a primary desire * Has the opportunity for at least 30% improvement in their primary health outcome * Expresses a willingness to take a study product and not know the product identity (active or placebo) until the end of the study Exclusion Criteria: * Unable to provide a valid US shipping address and mobile phone number * Reports current enrollment in another clinical trial * Reports being a heavy drinker (defined as drinking 3 or more alcoholic beverages per day) * Unable to read and understand English * Reports a current and/or recent (up to 3 months ago) major illness and/or surgery that poses a known, significant safety risk * Reports a diagnosis of cardiac dysfunction, liver or kidney disease that presents a known contraindication and/or a significant safety risk with any of the study product ingredients: NYHA (New York Heart Health) Class Ill or IV congestive heart failure, atrial fibrillation, uncontrolled arrhythmias, cirrhosis, end-stage liver disease, stage 3b or 4 chronic kidney disease, or kidney failure * Reports taking medications that have a well-established moderate or severe interaction, posing a substantial safety risk with any of the study product ingredients. Anticoagulants, antihypertensives, anxiolytics, antidepressants, chemotherapy. immunotherapy, sedative hypnotics, seizure medications, medications that warn against grapefruit consumption, corticosteroids at doses greater than 5 mg per day, diabetic medications, oral anti-infectives (antibiotics, antifungals, antivirals) to treat an acute infection, antipsychotics, MAOls (monoamine oxidase inhibitors), or thyroid products * Reports current use of the primary ingredient(s) and/or similar product(s) to the active study product(s) that may limit the effects of the study products * Lack of reliable daily access to the internet
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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.
Contacts and locations
Locations
-
Radicle Science, Inc
Del Mar, California, 92014, United States
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