Meta Information

ID:kombucha

Name:Kombucha

Schema Version:1.5

Alternate Names

• Fermented Tea
• Tea Fungus

Intervention Type

dietary_practice

Expected Cost Mean

Low Cost:

10

High Cost:

120

Cost Type:

monthly

Description:

Cost varies from inexpensive home-brewing to purchasing premium commercial products.

Summary

Kombucha is a fermented tea containing a symbiotic culture of bacteria and yeast (SCOBY), resulting in a beverage with probiotics, organic acids, and antioxidants. Its theoretical healthspan relevance is based on supporting a healthy gut microbiome, which is foundational to reducing systemic inflammation and maintaining metabolic health. However, the composition of kombucha is highly variable, and direct evidence for longevity benefits in humans is lacking.

Purpose

A fermented tea beverage intended to support gut microbiome health.

Card Summary

A fermented tea with theoretical gut health benefits, but its highly variable composition and lack of human longevity data make it a speculative intervention.

Drug Class

Drugs In Class

Empty Array

Impact

Score:

2.5

Justification:

Potential gut health benefits are theoretical; lacks robust human longevity data.

Evidence

Grade:

C

Score:

2

Justification:

Primarily supported by in-vitro/animal studies and general probiotic theory, not human trials.

Safety

Score:

2.5

Justification:

Generally safe, but home-brewing risks contamination and sugar/alcohol content can be high.

Flags

• High sugar content in many commercial brands can negate potential health benefits.
• Home-brewing carries a risk of contamination with pathogenic bacteria or molds.
• Contains trace amounts of alcohol, which may be a concern for some individuals.
• The acidic nature may be problematic for individuals with certain digestive issues.
• Composition is highly inconsistent between batches, leading to unpredictable effects.

Verdict

A speculative gut health intervention with minimal evidence for longevity benefits.

Created

2026-04-26T18:10:30.687409Z

Model

Gemini 3.1 Pro (High)

Delivery

Route:

none

Scope:

• systemic

Indication

Focus:

healthspan

Description:

Kombucha is a fermented tea containing a symbiotic culture of bacteria and yeast (SCOBY), resulting in a beverage with probiotics, organic acids, and antioxidants. Its theoretical healthspan relevance...

Typical Protocol

• Consume 4-8 ounces (120-240 ml) daily to support gut microbiome diversity.