Overview

US residents who have mental health issues sign the informed consent form and are screened and enrolled for this study. Participants complete a survey upon enrollment and are randomized into one of two study arms. This study is direct to participant and will NOT utilize clinical sites.

Eligibility

Inclusion Criteria:

• Resident of the United States
• Females and males ages 25-75 (inclusive)
• Able to speak and read English
• No unexplained weight loss, fevers, anemia, or blood in stool
• Willing and able to follow the trial instructions, as described in the recruitment letter
• Signed and dated informed consent prior to any trial-specific procedures.
• PHQ9 score of 5-24 (inclusive)

Exclusion Criteria:

• Unwilling to change their current diet
• Prior use of Viome products or services
• Antibiotic use in the previous 4 weeks
• Pregnancy (current or planned in the next 4 months)
• < 90 days postpartum
• Breast feeding
• Active infection
• Unable or unwilling to use Viome's App on an iPhone or Android smartphone
• Significant diet or lifestyle change in the previous 1 month
• IBD diagnosis -Major psychiatric/DSM-4 disease diagnosis (e.g. Schizophrenia, Bipolar disorder, Post- traumatic Stress Disorder, Obsessive Compulsive disorder)
• Use of investigational drugs, products or devices within 1 month prior to and 4 months after the start of the trial
• Cancer therapy within the previous 1 year
• Major surgery in the last 6 months or planned in the next 4 months
• Allergies to any supplement ingredients listed in the screening survey
• Currently on a specific diet: FODMAP, KETO, PALEO
• Answered yes to the question, "In the past few weeks, have you wished you were dead or had thoughts about killing yourself?"
• Gastrointestinal disease including:
  • GI surgery except:
    • Appendectomy and benign polypectomy
• Esophagitis
• Celiac disease
• GI malignancy or obstruction
• Peptic Ulcer Disease
• Duodenal or gastric ulcer disease