Kalmegh
Andrographis paniculata
Kalmegh, also called andrographis, is a very bitter herb used for immune support, upper respiratory discomfort, and traditional liver wellness.
Primary Use
Supports immune response during seasonal illness
Common Forms
Capsule, Tablet
Typical Dose
300-600 mg extract
Time to Effect
2-4 weeks
Overview
Kalmegh is an important herb in Ayurvedic and Asian traditional medicine, where it is known for its intense bitterness and broad use in infection-season formulas, digestive bitterness, and liver support. It is one of the more studied bitter immune herbs in modern herbal practice.
Today it is commonly used at the first sign of seasonal upper respiratory discomfort or during times of immune stress. It is also included in some detox-style formulas, though its best-supported modern use is short-term immune and respiratory support.
How It Works
Kalmegh contains andrographolides, diterpene compounds that appear to influence inflammatory pathways and immune signaling. In plain terms, it may help the body regulate its response to infection-related stress and inflammation.
Because it is strongly bitter, it may also support digestion and bile-related processes. Most people use it for relatively short periods rather than as a year-round daily tonic.
What It's Used For
Supports immune response during seasonal illness
Andrographis is one of the better-supported herbs for short-term upper respiratory immune support. Several studies suggest it may help reduce the severity or duration of common cold-type symptoms.
May ease sore throat and upper respiratory discomfort
It is often used for throat irritation, congestion, and feeling run down at the start of illness. Benefits appear greatest when started early.
Supports inflammatory balance
Its active compounds may help regulate inflammatory mediators. This likely contributes to its broader immune support effects.
May support liver-related wellness
Traditional systems use kalmegh as a bitter liver herb, but this use is less strongly validated than its respiratory role. It remains a common part of detox-oriented formulas.
Dots indicate strength of research evidence (5 = strongest)
Disclaimer: This information is for educational purposes only and is not intended as medical advice. Always consult with a qualified healthcare provider before starting any new supplement, especially if you have a medical condition or take medications.
Last updated: March 2026