Educational information, not medical advice — ask your doctor or midwife.
Rudantī is a small, sprawling salt-marsh plant used as a single herb in Ayurveda. Its Latin name is Cressa cretica, and it is also called rosy camel's foot. The whole dried plant is powdered and used mainly for long-standing coughs, weight loss and weakness.
In classical Ayurvedic practice it is grouped with rasayana herbs, meaning herbs given to rebuild strength after long illness. The best-known traditional use is in rajayakshma, an old term that covers wasting illnesses such as tuberculosis (a serious lung infection).
Here is the honest verdict up front. No human trials of Cressa cretica have been published, so we cannot say it works for any of this. Traditional standing and proven effect are two different things, and that point applies to everything below.
Nobody has shown how Rudantī works in people, and the ideas below come from laboratory dishes and animal tests only.
In Ayurvedic terms, the plant is described as sweet, cooling and building. Practitioners use it to calm a dry, irritated chest and to help a thin, run-down person regain weight.
Lab and animal work points in a few directions. Extracts show antioxidant activity, meaning they mop up unstable molecules in a test tube. Some rodent studies report changes in blood sugar and in thyroid hormone levels.
None of this tells you what a dose of the powder does inside a human body. Treat these as leads for future research, not as reasons to expect a result.
Rudantī is nearly always sold as a dried plant material, not as a standardised extract.
Common forms:
Churna, a fine powder of the whole dried plant.
Kwath or decoction, made by simmering the dried plant in water.
Ghrita, a medicated ghee that carries the herb.
Tablets or capsules of the plain powder.
As one part of mixed Ayurvedic formulas for cough and weakness.
Quality varies a lot. Because several different plants have been sold under the name Rudantī, ask the supplier to confirm the Latin name Cressa cretica on the label.
Rudantī appears in Ayurvedic writing as a rasayana herb, given to rebuild people worn down by long illness. Its main classical use is in rajayakshma, the old category of wasting diseases.
One detail is worth knowing. The name Rudantī has been attached to more than one plant over the centuries, including Capparis moonii. Cressa cretica is the identity used by most modern Ayurvedic suppliers, but the older texts are not clear on this point.
Because of that mix-up, its traditional record is recognised but narrower than that of well-settled Ayurvedic herbs.
See a doctor if a cough lasts more than three weeks, or if you cough up blood. Get help the same day for a high fever, night sweats, chest pain or trouble breathing. Book an appointment for weight loss you cannot explain, since that always needs testing. Stop the herb and call your doctor if you get a rash, swelling of the face or lips, or if you feel shaky, sweaty and faint, which can mean low blood sugar. If you are being treated for tuberculosis, keep taking every prescribed dose and tell your TB team about any herb you use.
Evidence grades and traditional-use labels are explained in our methodology. Nothing here is medical advice.
What it is typically used for, usual dose, cautions, and the study behind it where real trial data exists.
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