Last verified: April 2026
Food and Diet — Ahara
आहार — Ahara — that which is taken in — food, the first medicine
Charaka Samhita opens its food chapter with: Ahara param bhaishjyam — food is the supreme medicine. The classical system does not separate food from medicine — they are the same substances at different doses and preparations. This section documents what classical texts say about food: not as a diet plan, but as a pharmacological system.
Six Tastes
Every food has one or more of six classical tastes. Each taste has specific Dosha effects. Understanding this makes dietary advice meaningful rather than arbitrary. Six Tastes →
Nitya Sevaniya
The six foods appropriate for daily use across all constitutions. Not a complete diet — a foundation. Daily foods →
Viruddha Ahara
Incompatible food combinations documented in classical texts — milk and fish, equal honey and ghee, heating honey. Incompatible combinations →
Anna Varga — Grains
Each grain has specific properties: barley reduces fat, moong is the only daily legume, old rice is preferred over fresh. Grains →
Dairy as medicine
Seven classical dairy preparations with different properties. Curd has more contraindications than most people realise. Ghee is Nitya Sevaniya. Dairy →
Seasonal eating
Ritucharya — the classical seasonal eating guide. Food recommendations change with the six Ayurvedic seasons. Seasonal eating →
The three rules that change everything
1. Eat only when genuinely hungry
Charaka Samhita documents Vishama Ashana (eating at the wrong time) as one of the primary causes of digestive disease. The first question before any meal: is there genuine hunger, or is this emotional eating, boredom, or habit? Eating without hunger produces Ama.
2. Your largest meal at midday
The Pitta period (10am-2pm) is when Jatharagni is strongest. The evening meal should be smaller and eaten before 7pm. This single change, more than any herb or supplement, addresses most modern digestive complaints — and the research on circadian rhythms in digestion supports it completely.
3. Agni before food quality
It is better to eat simple, easily digestible food that your Agni can process completely than to eat nutritionally ideal food that your Agni cannot handle. A bowl of moong dal soup that is fully digested nourishes you more than a superfood smoothie that produces gas and bloating.
Charaka Samhita, Sutrasthana 27
Ahara sambhava vastu rogascha ahara sambhava — Both the sustenance of the body and the diseases that afflict it arise from food. Appropriate food is the cause of health. Inappropriate food is the cause of disease.
Food pages on this site
Six Tastes — Nitya Sevaniya (daily foods) — Anna Varga (grains) — Dairy as medicine — Pathya-Apathya — Viruddha Ahara — Fasting — Seasonal eating