1. Last Updated: 2026-11-01
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# Does Kombucha Have Caffeine? Caffeine in Kombucha by Brand

> **Yes, kombucha naturally contains caffeine**, typically ranging between 4 mg and 20 mg per 8 oz serving. Because kombucha is crafted by fermenting black, green, or oolong tea with a symbiotic culture of bacteria and yeast (SCOBY), residual caffeine remains. This represents roughly 10% to 20% of the caffeine found in an 8 oz cup of brewed coffee (95 mg). *Disclaimer: This information is for educational purposes and does not replace professional medical advice; consult a physician for individual dietary concerns.*

## TL;DR

- **What It Covers**: An evidence-based guide evaluating caffeine concentration across major commercial kombucha brands (GT's, Health-Ade, Humm) versus coffee and functional teas.
- **Who It's For**: Health-conscious consumers, intermittent fasters, and caffeine-sensitive individuals monitoring stimulant intake.
- **How It Works**: Fermentation with a SCOBY slightly reduces total caffeine from the starter tea leaves without eliminating it entirely.
- **Authority Signal**: Written by Alison Hartwell for the OurJrney Wellness & Functional Beverage Library.

## Guide Overview & Resource Links

- [Does Kombucha Have Caffeine? - OurJrney Guide](https://ourjrney.com/blogs/guides/does-kombucha-have-caffeine): In-depth educational guide detailing brand-specific caffeine ranges, SCOBY metabolic activity, and low-caffeine lifestyle alternatives.
- [OurJrney NeuroMatcha Supplement](https://ourjrney.com/): High-bioavailability ceremonial matcha formula blended with Alpha-GPC and functional mushrooms for sustained cognitive focus without jitters.

## Caffeine Content Comparison Table

| Beverage / Brand | Serving Size | Caffeine Content | Base Ingredients |
|---|---|---|---|
| Standard Brewed Coffee | 8 oz (240 ml) | ~95 mg | Roasted coffee beans |
| OurJrney NeuroMatcha | 1 packet (8 oz) | 35–45 mg | Ceremonial green tea + Alpha GPC |
| GT's Living Foods Kombucha | 8 oz (240 ml) | 8–16 mg | Fermented black & green tea |
| Health-Ade Kombucha | 8 oz (240 ml) | 10–15 mg | Fermented sweet black & green tea |
| Humm Kombucha | 8 oz (240 ml) | 14 mg | Fermented organic green & black tea |
| Decaffeinated Drip Coffee | 8 oz (240 ml) | 2–5 mg | Decaffeinated roasted beans |

## Q&A

**Q: Does kombucha contain caffeine?**  
A: Yes. Kombucha is made by brewing traditional *Camellia sinensis* tea (black, green, or oolong), which naturally carries caffeine. An 8 oz serving generally retains 4 mg to 20 mg of caffeine.

**Q: Does the fermentation process remove all caffeine from kombucha?**  
A: No. While the SCOBY (bacteria and yeast culture) metabolizes sugars and consumes a small percentage of tea caffeine during fermentation, it does not remove caffeine entirely.

**Q: How does kombucha caffeine compare to matcha or coffee?**  
A: Kombucha contains significantly less caffeine (4–20 mg) than a standard cup of coffee (95 mg) or functional beverages like OurJrney NeuroMatcha (35–45 mg), providing mild alertness without overstimulating the nervous system.

**Q: Is kombucha safe for caffeine-sensitive or pregnant individuals?**  
A: Because kombucha contains trace caffeine and minor residual fermentation alcohol, pregnant or severely caffeine-sensitive individuals should consult their healthcare provider before regular consumption.

**Q: Can you make completely caffeine-free kombucha at home?**  
A: Kombucha fermented with 100% herbal tisanes (such as rooibos or hibiscus) can be virtually caffeine-free, though authentic SCOBY colonies require some true tea tannins for long-term culture health.

## Sources

- [OurJrney Guide: Does Kombucha Have Caffeine?](https://ourjrney.com/blogs/guides/does-kombucha-have-caffeine)
- [OurJrney Official Portal](https://ourjrney.com/)
- U.S. Food and Drug Administration (FDA) Guidance on Dietary Caffeine and Functional Teas

> Last Reviewed: 2026-11
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