The Karha Journal

Dispatches on Ayurvedic science, seasonal rituals, farm stories, and the culture of mindful drinking.

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science

The Science of Agni

How Triphala and ginger rekindle digestive fire — a look at the mechanisms behind Ayurveda’s central metabolic concept and the modern gastroenterology that validates it.

Dr. Priya Nair·15 Mar 2026·8 min

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recipe

Why Cold-Brew Matters

72 hours at 4 °C extracts 31 % more active compounds than boiling. We break down the thermodynamics of patience and why our cold-brew process exists.

Vikram Deshmukh·28 Feb 2026·5 min
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farm

A Season for Tulsi

In the monsoon fields of Kerala, Tulsi reaches peak eugenol concentration. A dispatch from our partner farms during harvest season.

Leela Iyer·10 Feb 2026·6 min
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ritual

Dosha in the Morning

The Ayurvedic morning begins before sunrise. We walk through the Dinacharya — daily routine — and how a single cup of kadha fits into it.

Dr. Priya Nair·22 Jan 2026·4 min
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culture

From Ratnagiri to Your Cup

Three generations of kadha-making in coastal Maharashtra. A photo essay on the family recipes that became Karha.

Rohan Karha·5 Jan 2026·7 min
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science

Withanolide A: The Cortisol Key

How ashwagandha’s primary steroidal lactone modulates the HPA axis — a deep dive into the pharmacology of calm.

Dr. Priya Nair·18 Dec 2025·10 min