Ginger is the most familiar warming root in the Ayurvedic kitchen. Tradition treats it in two forms, fresh ginger (ardraka) and dried ginger (shunthi), and gives each a slightly different character. Later teachers speak of it so warmly that it is sometimes called the great medicine of the household.

This page explains how Ayurveda describes ginger, how it is used as food, and what modern research reports. It is education about a traditional system, and it does not recommend ginger for any health problem or give any amount for health purposes.

What it is

Ginger is the rhizome, the thick underground stem, of Zingiber officinale. Fresh ginger is juicy and sharp. Dried ginger is the same root sliced or peeled and dried, which concentrates and changes its flavour into something drier and hotter.

  • Sanskrit: ardraka (fresh) and shunthi or nagara (dried); the dried form also appears under the name vishva in some texts
  • Hindi: adrak (fresh) and sonth (dried)
  • English: ginger, and dry ginger
  • Plant part used: the rhizome

It belongs to the same plant family as turmeric, cardamom and galangal, and you can compare it with turmeric in the way each is described by taste and energy.

The traditional view

In the standard materia medica, taught by later authors such as those of the Bhavaprakasha tradition, ginger is described this way.

  • Taste (rasa): pungent (katu)
  • Energy (virya): heating (ushna)
  • After-digestion effect (vipaka): sweet (madhura) is the classic teaching for dried ginger, while fresh ginger is often described as pungent after digestion. Sources vary here, and this is an area where teachers give different accounts.
  • Qualities (guna): light, and for dried ginger, unctuous and sharp in some descriptions
  • Effect on the doshas: said to calm vata and kapha, and to increase pitta, particularly when taken freely or by someone who is already hot or inflamed

Ginger is closely bound to the Ayurvedic idea of agni, the digestive fire. Tradition regards it as a substance that kindles agni, and you can read what that means on the agni page. The texts also treat it as something that helps clear ama, the sticky, undigested residue the system describes, which is explained in the ama page. Those are statements of tradition and cannot be taken as medical claims.

Fresh and dried ginger are not interchangeable in classical thinking. Fresh ginger is spoken of as more moist and a little less intense, suited to cooler seasons and everyday cooking. Dried ginger is described as hotter and drier. That is why teachers talk about choosing the form that suits the season and the person, which links naturally to seasonal eating.

In the kitchen

Ginger appears across the cooking of the subcontinent and well beyond it. Some familiar ways it is used as ordinary food:

  • Sliced into thin matchsticks and added to hot oil at the start of a curry
  • Ground into a paste with garlic as the base of many sauces
  • Simmered in plain tea, often with cardamom or basil, as a warming drink
  • Added to soups, pickles and chutneys
  • Used in sweet bakes and spiced biscuits, where dried ginger often features

A practical point many cooks discover is that fresh ginger is easiest to peel with the edge of a spoon, and freezes well. Dried ginger tends to be milder than a pungent-smelling bag suggests, but it is easily over-used. As with every heating spice, the Ayurvedic idea is balance with the rest of the meal. A cooling food such as cucumber or mint chutney is the usual partner on a hot day, and the qualities of foods sets out how that pairing logic works.

Tradition also suggests that very hot and spicy foods are not for everyone. If you tend towards sourness, heartburn or a feeling of heat after meals, pitta-minded teachers would ask you to use ginger lightly, which you can read about on eating for pitta.

What research says

The US National Center for Complementary and Integrative Health (NCCIH) summarises the evidence in careful terms.

  • Ginger may help with nausea and vomiting in pregnancy.
  • Studies have generally not shown benefit for motion sickness.
  • The evidence is uncertain for nausea caused by chemotherapy or following surgery.
  • Some ginger supplements might reduce the severity of menstrual cramps.
  • Oral supplements show potential for knee osteoarthritis, though study quality is mixed, while ginger applied to the skin has not been shown to work.

This is a modest and mixed picture, not proof, and it concerns supplements in studies rather than ginger tea in a kitchen. None of it means ginger replaces medical care for nausea or any other complaint.

On the question of liver safety, the LiverTox database of the US National Library of Medicine notes that more than 100 clinical trials have reported no cases of liver injury. There is a single case report involving a commercial product that mixed several ingredients. LiverTox rates ginger as an unlikely cause of liver injury (its category E), while noting it has not been carefully assessed.

Safety and interactions

Ginger in cooking is part of the normal diet of billions of people. Concentrated forms are another matter.

  • Common side effects by mouth: abdominal discomfort, heartburn, diarrhoea, and irritation of the mouth and throat.
  • Pregnancy: NCCIH says ginger supplements may be safe in pregnancy, but it advises talking to a healthcare provider first. This is relevant because nausea in pregnancy is the very reason many people consider it.
  • Breastfeeding: little is known about supplement use while breastfeeding, so ask a professional.
  • Medicines: the sources we used do not give a statement on blood thinners, gallstones or other specific medicines, so we cannot say whether there is or is not an interaction. If you take regular medicines, particularly ones that affect clotting or blood sugar, ask your pharmacist or doctor before starting a ginger supplement. NCCIH’s general advice is that herbs and medicines can interact.
  • Children: the sources we used had no specific advice for children, so supplements are a question for a paediatrician.
  • Before surgery: tell your surgical team about every supplement you take.
  • Quality: supplements are less strictly regulated than medicines. Some imported Ayurvedic preparations have been found to contain heavy metals, so where a product comes from matters.

If you are using ginger only as a cooking ingredient or in tea, these cautions seldom come into play. They matter most when someone is buying capsules or concentrated extracts.

This page is education, not medical advice. Please read our medical disclaimer, see a doctor about any health concern, and consult a registered Ayurvedic practitioner (BAMS in India) before seeking Ayurvedic treatment.

Frequently asked questions

↳ What is the difference between fresh and dry ginger in Ayurveda?

Fresh ginger is ardraka and dried ginger is shunthi. Tradition describes the dried form as hotter and drier, and says the two are chosen differently by season and by person. Teachers describe their after-digestion effect in different ways.

↳ Does ginger increase pitta?

Classical teaching describes ginger as heating and says it can increase pitta, particularly in large amounts. It is also said to calm vata and kapha. A person who feels overheated by spicy food may prefer to use it sparingly.

↳ Is ginger good for nausea?

NCCIH says it may help with nausea and vomiting in pregnancy, but studies have generally not shown benefit for motion sickness, and results are uncertain for chemotherapy or post-surgery nausea. Persistent or severe nausea needs a doctor.

↳ Can ginger harm the liver?

LiverTox reports no liver injury in over 100 clinical trials and calls ginger an unlikely cause of liver injury, with one case report of a mixed product. It adds that ginger has not been carefully assessed in this respect.

↳ Is ginger safe in pregnancy?

NCCIH says supplements may be safe, but advises discussing them with a healthcare provider first. Food amounts are part of ordinary cooking. Please ask your doctor or midwife about anything beyond that.

Sources: NCCIH: Ginger, LiverTox: Ginger.