LAISHA · DRAVYAGUNA

Kukkutandatvak

कुक्कुटाण्डत्वक्

From Domestic hen, Gallus gallus domesticus

Jangama · animal origin

Benefits & side effects

TRADITIONAL VIEW, WITH SAFETY LIMITS

Hindi name: Ande ka chhilka

What the texts say Kukkutandatvak does

What the evidence says. Egg shell calcium has been studied as a calcium source. No classical claim beyond that is established.

Side effects and limits

Calcium carbonate. Raw egg shell carries Salmonella risk, which is what the calcination removes.

Avoid or ask first: Hypercalcaemia.; Egg allergy — the membrane carries egg protein.; Uncalcined material.

A traditional classification, not a recommendation. The full safety record is below.

Matra and anupana

AS THE CLASSICAL TEXTS AND THE API PRESCRIBE

Bhasma125–250 mg
AnupanaMadhu · Dugdha
KalaAdhobhakta

A sudha varga dravya — the calcium-bearing group — used where a calcium source is wanted.

Reported from Sharangadhara Samhita and the Ayurvedic Pharmacopoeia of India. Laisha states what the texts prescribe; it does not recommend. No quantity here is adjusted for a particular person — not for agni, koshtha, bala, age, pregnancy, kidney or liver function, or anything already being taken.

Rasapanchaka

Rasa
MadhuraKashaya
Guna
LaghuRuksha
ViryaSheeta
VipakaMadhura
DoshakarmaPittahara and kaphahara.

Karma and part used

AsthiposhakaDaha prashamanaShoshahara
Upayukta angaKukkutandatvak bhasma

Paryaya

AndatvakKukkutanda kapala

Kukkutandatvak is classed among the jangama dravya.

Names, by language

EnglishHen's egg shell
HindiAnde ka chhilka
KannadaMotte sippe

Classical references

Rasa Tarangini
Taranga 12
Among the sudha varga preparations; shodhana and marana.
Bhaishajya Ratnavali
Asthi and dantaroga
Use as a source of calcium in bone and dental conditions.

Rasa, guna, virya, vipaka and karma are recorded as the classical texts give them, with the text and section named so a student can open the book and check.

Adulterants and substitutes

Any shell powder can be sold as it. The membrane is classically retained in some preparations and removed in others.

Identity

From Domestic hen, Gallus gallus domesticus. The shell, and the shell membrane.

A WAY TO REMEMBER IT

Kukkuta-anda-tvak is cock-egg-skin, three plain words stacked. Kukkuta is onomatopoeic — it is the bird named for the sound it makes, as cock is in English.

What the tradition holds

One of the sudha varga, used in asthi and danta conditions and in daha.

Constituents. A product of Domestic hen, Gallus gallus domesticus.

What the evidence says

StatusEgg shell calcium has been studied as a calcium source. No classical claim beyond that is established.
The honest gapMineral and animal dravya are far less studied than plant dravya, and what study exists is chiefly characterisation and toxicology rather than clinical efficacy.

Safety

Calcium carbonate. Raw egg shell carries Salmonella risk, which is what the calcination removes.

ContraindicationsHypercalcaemia.
Egg allergy — the membrane carries egg protein.
Uncalcined material.
InteractionsTetracyclines, fluoroquinolones, levothyroxine and bisphosphonates — calcium binds them. Separate by two hours.
Calcium supplements — additive load.
Pregnancy and breastfeedingCalcium is unremarkable in pregnancy; this specific preparation is not characterised.

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What this is not

Sources

Rasa Ratna Samuccaya and Rasa Tarangini
National Institute of Indian Medical Heritage
The classical Rasashastra position: which group the dravya belongs to, its shodhana and marana, and the matra of the prepared form.
https://niimh.nic.in/ebooks/
Ayurvedic Pharmacopoeia of India
Pharmacopoeia Commission for Indian Medicine and Homoeopathy, Ministry of Ayush, Government of India
The official Indian pharmacopoeial standing of the dravya and the identity of the prepared article.
https://pcimh.gov.in/
Classical matra by dose form
Sharangadhara Samhita, Madhyama Khanda
The classical quantity for each dose form, as the standard reference gives it.
https://niimh.nic.in/ebooks/esharangadhara/
Mineral fact sheets
National Institutes of Health Office of Dietary Supplements
The established physiology of the element, its upper intake level and its documented interactions with medicines.
https://ods.od.nih.gov/factsheets/list-all/
Monographs for mineral and animal-derived ingredients
Health Canada, Natural and Non-prescription Health Products Directorate
A second regulator's position on the prepared ingredient, from a jurisdiction outside India.
https://www.canada.ca/en/health-canada/services/drugs-health-products/natural-non-prescription/applications-submissions/product-licensing/compendium-monographs.html
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