Essential Oil-Based Product System for Digestive Support

Part of paid clinical trials in Pleasant Grove, Utah.

Sponsor
dōTERRA International
Study ID
NCT07653815
Status
Not Yet Recruiting

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Conditions

  • Healthy

Eligibility Criteria

Sex
ALL
Age
18 Years - 45 Years
Healthy Volunteers
Accepted

Interventions

  • essential oil supplement — DIETARY_SUPPLEMENT
    Internal use will entail ingesting Hypromellose capsules containing 135 mg essential oil and 365 mg extra virgin oil. The essential oils in the supplement are peppermint, coriander, ginger, caraway, cardamom, fennel, and anise. Participants will be instructed to take one capsule in the morning with food and one capsule in the evening with food, at least 3 hours before bedtime. Placebo will be olive oil capsules of the same size and color.
  • Essential Oil — OTHER
    Topical use will entail applying the DigestZen oil blend diluted to 10% in fractionated coconut oil using a metered dropper. Participants will be instructed to add 2mL to the skin of the inner forearms and belly area and massage until oil has absorbed. The application will happen once per day at bedtime. Placebo will contain fractionated coconut oil with a diluted single constituent for aroma and food coloring.
  • Placebo supplement — DIETARY_SUPPLEMENT
    Placebo will be olive oil capsules of the same size and color as the active capsules.
  • placebo essential oil — OTHER
    Placebo essential oil will contain fractionated coconut oil with diluted single constituent for aroma and food coloring.

Study Details

This study aims to evaluate the efficacy of specific essential oils. Efficacy will be evaluated through changes, if any, to hsCRP, gene expression, and standard hematologic and metabolic parameters, as well as subjective health changes as measured by Gastrointestinal Symptom Rating Scale (GSRS), PROMIS Global Health survey, PROMIS Fatigue Scale, Immune Fitness Item Scale (IFIS), and the Immune Status Questionnaire (ISQ) in healthy volunteers. The main questions it aims to answer are: 1. Do specific essential oils affect gene expression and hematologic and metabolic parameters as measured in blood? 2. How do essential oils affect gut microbiome? 3. How does daily use of specific essential oils affect subjective quality of life and health parameters? 4. Is ingesting and topically applying specific essential oils daily safe, as measured by laboratory tests and adverse events? Two study products will be used: oil for topical use, supplement for internal use. The two products will be used together and compared to a placebo group. The topical oil contains a blend of ginger essential oil, peppermint essential oil, caraway essential oil, coriander essential oil, and anise essential oil. The supplement contains everything the oil has, plus anise essential oil. Participants will: * Be assigned one of the two groups. * Use the oil topically once each day for 4 weeks. * Take one supplement in the morning and one in the evening every day for 4 weeks. * Attend 2 study visits in which they provide blood and urine (females only) samples. * Complete 2 stool collection/microbiome kits * Complete surveys and subjective health assessments

Key Dates

Start date
Nov 30, 2026
Status verified
Jun 2026
Primary completion
Dec 31, 2026
Completion
Dec 31, 2026

Study Design

Enrollment
40 participants (estimated)
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
OTHER

Arms

  • Experimental: Dietary supplement and topical oil
    Participants take two capsules of the dietary supplement (one capsule in the morning and one in the evening) every day for 4 weeks. Participants will also place 2 mL of the oil on their forearms and stomach once daily at bedtime for 4 weeks.
  • Placebo Comparator: Placebo
    Participants assigned the placebo study products will follow the same use directions as those in the active group. Placebo topical oil will contain fractionated coconut oil with a diluted single constituent for aroma and food coloring. The placebo supplement group will take a supplement that contains olive oil, and will be the same size and color as the active supplement.

Primary Outcome Measure

GSRS [ Time Frame: 4 weeks ]

Central Contacts

Locations (1)

FacilityCityStateZIPSite coordinators
doTERRA InternationalPleasant GroveUtah84062
Nicole Stevens
[email protected]
8016157200

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