Gut HealthNCT07756866
A Clinical Trial to Evaluate the Effects of Cowboy Colostrum on Gut Health, Body Composition, Hair Growth, and Skin Appearance
A study testing Cowboy Colostrum in people with Gut Health and Body Composition, run by Cowboy Colostrum at 1 site in United States.
Trial summary
This study evaluates the effects of Cowboy Colostrum bovine colostrum powder on gut health, body composition, hair growth, and skin appearance in generally healthy adults aged 21-47 with concerns in these areas. Read more about this study
- Who is it for?
- Ages 21 to 47 yearsHealthy volunteers can take part
- Conditions the study is for
- Gut Health, Body Composition, Hair Growth
- What is being tested?
- Cowboy Colostrum
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 35 participants
- Where
- 1 siteUnited States
- Study dates
- 7 Jul 2025to 18 Nov 2025
- Phase
- Interventional
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 21 to 47 years
- All sexes
- Healthy volunteers accepted
- Adult
Who may be able to join
- Be male or female
- Be aged 21-47
- Anyone with concerns regarding all of the following over the past four weeks: gut health, healthy weight management, hair growth, and skin appearance
- BMI 25-33 kg/m²
- Anyone who is generally healthy and does not live with any uncontrolled chronic disease
- Anyone who is physically active at least once per week
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- If taking any products, herbal remedies, over-the-counter medications, or supplements that target weight, gut health, physical activity, hair growth, or skin appearance, has been doing so consistently for three months and is willing to maintain this routine for the study duration
- Willing to maintain their current diet and sleep schedule for the duration of the study
- Willing to use the same skincare routine and make-up products for at least one month prior to the study, and willing to maintain this routine for the duration of the study
- Resides in the United States
Who cannot join
- Anyone with pre-existing chronic conditions that would prevent participants from adhering to the protocol, including oncological and psychiatric disorders
- Anyone who has undergone any surgeries or invasive treatments in the last six months, or has any planned during the study period
- Has had any major illness in the last three months
- Anyone who has taken an antibiotic in the last three months
- Anyone currently taking a weight loss medication, including but not limited to Wegovy, Mounjaro, and Ozempic
- History of an autoimmune disorder, diabetes, or endocrine disorder
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- Food intolerances, allergies, or sensitivities such as dairy allergy and lactose intolerance
- Has a known history of severe digestive disorders like acid reflux, Irritable Bowel Syndrome (IBS), Irritable Bowel Disease (IBD), Crohn's disease, or gastrointestinal tract surgeries
- Anyone diagnosed with a skin or hair condition
- Anyone who does not consume animal products for any reason
- Currently undergoing hair treatment or using other hair growth/thickening products
- Currently taking any prescription medication for hair loss
- Anyone with any conditions that affect the hair or scalp (e.g., alopecia areata)
- Anyone planning to undergo facial treatments during the study period, including Botox, dermal fillers, and chemical peels
- Anyone with any allergies or sensitivities to any of the study product ingredients
- Any women who are pregnant, breastfeeding, or trying to conceive (or who will be at any point during the study period)
- Heavy drinkers, defined as a woman who drinks 8 or more alcoholic drinks per week or a man who drinks 15 or more alcoholic drinks per week
- Anyone unwilling to follow the study protocol
- Anyone with a history of substance abuse
- Anyone who is currently a smoker or has been a smoker in the past 3 months
- Currently partaking in another research study or will be partaking in any other research study for the next 12 weeks or at any point during this study's duration
Trial locations and contacts
1 site in 1 country.
About this study
This study evaluates the effects of Cowboy Colostrum bovine colostrum powder on gut health, body composition, hair growth, and skin appearance in generally healthy adults aged 21-47 with concerns in these areas. The trial is a single-arm, unblinded, virtual study conducted over 12 weeks in 35 participants who will use the test product daily.
Participants will complete questionnaires and provide weight and waist circumference measurements at Baseline, Week 4, Week 8, and Week 12. The primary focus is on changes in weight and waist circumference, while secondary outcomes include participants' perceptions of gastrointestinal health, physical activity, hair growth, skin appearance, and overall health and well-being.
- Conditions
- Gut Health, Body Composition, Hair Growth, Skin Appearance, Healthy Weight Management, Gastrointestinal Health
- Being tested
- Cowboy Colostrum
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Cowboy ColostrumDietary supplement
All participants take two scoops of Cowboy Colostrum bovine colostrum powder daily (3.4 g serving containing 3 g bovine colostrum, organic Madagascar vanilla powder, monkfruit extract, and sea salt), either directly in the mouth or frothed into cold or warm liquids such as water, iced coffee, iced matcha, smoothies, yogurt, or oatmeal at any time of day for 12 weeks. The product must not be added to any liquid over 140 degrees.
| Study group | Role | What they receive |
|---|---|---|
| Cowboy Colostrum | Experimental | Not described Receives: Dietary Supplement: Cowboy Colostrum |
What is being measured
The primary outcome is the main question the study is designed to answer.
Change in Body Weight
Self-reported body weight measured daily for three consecutive days at each time point using a Withings smart scale; the average of the two closest values is used
Measured: Baseline, Week 4, Week 8, and Week 12
Change in Waist Circumference
Self-reported waist circumference measured using a tape measure
Measured: Baseline, Week 4, Week 8, and Week 12
Secondary outcomes (13)
Change in Gastrointestinal Symptoms
Assessed via the Gastrointestinal Symptoms Rating Scale (GSRS) self-report questionnaire
Measured: Baseline, Week 4, Week 8, and Week 12
Change in Digestion-associated Quality of Life
Assessed via the Digestion-associated Quality of Life questionnaire (DQLQ) self-report questionnaire
Measured: Baseline, Week 4, Week 8, and Week 12
Change in Physical Activity
Assessed via the Godin Leisure-Time Exercises Questionnaire (GLTE) self-report questionnaire
Measured: Baseline, Week 4, Week 8, and Week 12
Participants' Perception of Bloating
Assessed via self-report questionnaire item
Measured: Baseline, Week 4, Week 8, and Week 12
Participants' Perception of Bowel Movement Frequency
Assessed via self-report questionnaire item
Measured: Baseline, Week 4, Week 8, and Week 12
Participants' Perception of Digestion
Assessed via self-report questionnaire item
Measured: Baseline, Week 4, Week 8, and Week 12
Participants' Perception of Healthy Weight Management
Assessed via self-report questionnaire item
Measured: Baseline, Week 4, Week 8, and Week 12
Participants' Perception of Energy Levels
Assessed via self-report questionnaire item
Measured: Baseline, Week 4, Week 8, and Week 12
Participants' Perception of Hair Growth
Assessed via self-report questionnaire item
Measured: Baseline, Week 4, Week 8, and Week 12
Participants' Perception of Hair Texture
Assessed via self-report questionnaire item
Measured: Baseline, Week 4, Week 8, and Week 12
Participants' Perception of Skin Brightness
Assessed via self-report questionnaire item
Measured: Baseline, Week 4, Week 8, and Week 12
Participants' Perception of Skin Clearness
Assessed via self-report questionnaire item
Measured: Baseline, Week 4, Week 8, and Week 12
Participants' Perception of Product Efficacy
Assessed via self-report questionnaire item
Measured: Baseline, Week 4, Week 8, and Week 12
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted11 Aug 2026
- Study start7 Jul 2025
- Primary completion18 Nov 2025
- Study completion18 Nov 2025
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Gut HealthStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Treatment
- Allocation
- Not applicable
- Intervention model
- Single group
- Masking
- None (open label)
- Enrolment
- 35 participants (actual)
Sponsor and investigators
- Lead sponsor
- Cowboy Colostrum
- Sponsor type
- Industry (pharma, biotech, devices)
- Collaborators
- Citruslabs
- Responsible party
- Sponsor
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT07756866
- Sponsor's protocol ID
- 20776
- Other IDs
- legacy-20776
- Status last verified
- Aug 2026
- First submitted
- 5 Aug 2026
- Last updated
- 11 Aug 2026
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
Study at a glance
From the registry record, last updated by the sponsor on 11 Aug 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- A Clinical Trial to Evaluate the Effects of Cowboy Colostrum on Gut Health, Body Composition, Hair Growth, and Skin Appearance
- ClinicalTrials.gov ID
- NCT07756866
- Acronym / sponsor ID
- 20776
- Conditions
- Gut Health, Body Composition, Hair Growth, Skin Appearance, Healthy Weight Management, Gastrointestinal Health
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 35 participants (actual)
- Lead sponsor
- Cowboy ColostrumIndustry (pharma, biotech, devices)
- Collaborators
- Citruslabs
- Study start
- 7 Jul 2025 (actual)
- Primary completion
- 18 Nov 2025 (actual)
- Study completion
- 18 Nov 2025 (actual)
- First posted
- 11 Aug 2026 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
This study evaluates the effects of Cowboy Colostrum bovine colostrum powder on gut health, body composition, hair growth, and skin appearance in generally healthy adults aged 21-47 with concerns in these areas. The trial is a single-arm, unblinded, virtual study conducted over 12 weeks in 35 participants who will use the test product daily.
Participants will complete questionnaires and provide weight and waist circumference measurements at Baseline, Week 4, Week 8, and Week 12. The primary focus is on changes in weight and waist circumference, while secondary outcomes include participants' perceptions of gastrointestinal health, physical activity, hair growth, skin appearance, and overall health and well-being.
Study design
- Primary purpose
- Treatment
- Allocation
- Not applicable
- Intervention model
- Single group
- Masking
- None (open label)
- Number of arms
- 1
| Arm | Type | Receives |
|---|---|---|
| Cowboy Colostrum | Experimental | Dietary Supplement: Cowboy Colostrum |
Who may qualify
- Ages
- 21 to 47 years
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Adult
Key inclusion criteria (10 listed)
- Be male or female
- Be aged 21-47
- Anyone with concerns regarding all of the following over the past four weeks: gut health, healthy weight management, hair growth, and skin appearance
- BMI 25-33 kg/m²
- Anyone who is generally healthy and does not live with any uncontrolled chronic disease
Key exclusion criteria (21 listed)
- Anyone with pre-existing chronic conditions that would prevent participants from adhering to the protocol, including oncological and psychiatric disorders
- Anyone who has undergone any surgeries or invasive treatments in the last six months, or has any planned during the study period
- Has had any major illness in the last three months
- Anyone who has taken an antibiotic in the last three months
- Anyone currently taking a weight loss medication, including but not limited to Wegovy, Mounjaro, and Ozempic
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Cowboy ColostrumAll participants take two scoops of Cowboy Colostrum bovine colostrum powder daily (3.4 g serving containing 3 g bovine colostrum, organic Madagascar vanilla powder, monkfruit extract, and sea salt), either directly in the mouth or frothed into cold or warm liquids such as water, iced coffee, iced matcha, smoothies, yogurt, or oatmeal at any time of day for 12 weeks. The product must not be added to any liquid over 140 degrees. | Dietary supplement | Cowboy Colostrum |
Primary outcome
Change in Body Weight
Time frame: Baseline, Week 4, Week 8, and Week 12
Self-reported body weight measured daily for three consecutive days at each time point using a Withings smart scale; the average of the two closest values is used
Change in Waist Circumference
Time frame: Baseline, Week 4, Week 8, and Week 12
Self-reported waist circumference measured using a tape measure
13 secondary outcomes
Change in Gastrointestinal Symptoms
Time frame: Baseline, Week 4, Week 8, and Week 12
Change in Digestion-associated Quality of Life
Time frame: Baseline, Week 4, Week 8, and Week 12
Change in Physical Activity
Time frame: Baseline, Week 4, Week 8, and Week 12
Participants' Perception of Bloating
Time frame: Baseline, Week 4, Week 8, and Week 12
Participants' Perception of Bowel Movement Frequency
Time frame: Baseline, Week 4, Week 8, and Week 12
Participants' Perception of Digestion
Time frame: Baseline, Week 4, Week 8, and Week 12
Participants' Perception of Healthy Weight Management
Time frame: Baseline, Week 4, Week 8, and Week 12
Participants' Perception of Energy Levels
Time frame: Baseline, Week 4, Week 8, and Week 12
Participants' Perception of Hair Growth
Time frame: Baseline, Week 4, Week 8, and Week 12
Participants' Perception of Hair Texture
Time frame: Baseline, Week 4, Week 8, and Week 12
Participants' Perception of Skin Brightness
Time frame: Baseline, Week 4, Week 8, and Week 12
Participants' Perception of Skin Clearness
Time frame: Baseline, Week 4, Week 8, and Week 12
Participants' Perception of Product Efficacy
Time frame: Baseline, Week 4, Week 8, and Week 12
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 11 Aug 2026.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
The record lists no contact. Use the official record to reach the sponsor.
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing Cowboy Colostrum in people with Gut Health and Body Composition, run by Cowboy Colostrum at 1 site in United States.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 10 inclusion and 21 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 11 Aug 2026. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Change in Body Weight (time frame: Baseline, Week 4, Week 8, and Week 12). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 11 Aug 2026.