Introduction
Vati Kalpana is an Ayurvedic medicinal dosage form in which finely powdered medicinal ingredients are processed with a suitable liquid medium (bhavana dravya) or binding agents and then molded into small, solid units of a specific size and weight.
The word ‘Vati’ means ‘little round ball’. ‘Kalpana’ means formulation. Vati Kalpana is considered as the upa-kalapana (Secondary dosage forms) of Kalka Kalpana or paste formulation, which is one of the Pancha vidha kashaya kalpanas.
Importance of Vati among Ayurvedic dosage forms
Vati Kalpana is one of the most popularly prescribed dosage forms in Ayurveda due to –
- Easy administration without any preparation unlike decoction etc.
- Consistency in dosing and reducing the possibility of dosage errors
- Palatability, making them more acceptable to patients.
- Longer shelf life etc.
Synonyms of Vati
वटकाश्चाथ कथ्यन्ते तन्नाम गुटिका वटी |
मोदको वटिका पिण्डी गुडो वर्त्तिस्तथोच्यते || (Sharngadhara Samhita, Madhyama Khanda, 7/1)
Vataka, Gutika, Vati, Modaka, Vatika, Pindi, guda, Varti are the synonyms of Vati.
History of Vati Kalpana
Vati Kalpana is one of the oldest Ayurvedic dosage forms, with references dating back to the Vedic period. The Rigveda mentions pill-like preparations under the term ‘Mani’, while forms such as Pindi, Modaka, Vataka, and Varti are also described in Vedic literature. Vati Kalpana evolved from Kalka Kalpana, wherein medicinal paste is shaped into solid units for administration. Acharya Vagbhata described the preparation of dosage forms such as Vati, Gutika, and Varti from Kalka. In Sharangadhara Samhita, synonyms of Vati include Gutika, Vatika, Pindi, Modaka, Guda, and Varti, highlighting its long-standing importance in Ayurvedic pharmaceutics.
Classification of Vati Kalpana
While describing the concept of Vati Kalpana, Acharya Sharngadhara mentions two types of Vatis,
- Vahni Sadhya Vati
- Avahni Sadhya vati
- Vahnisadhya Vati
लेहवत्साध्यते वह्नौ गुडो वा शर्करा तथा |
गुग्गुलुर्वा क्षिपेत्तत्र चूर्णं तन्निर्मिता वटी || (Sha.Ma.Kh.7/2)
Vati prepared with the help of Vahni or fire is called Vahnisadhya Vati or Agnisiddha Vati. In this method sugar, jaggery, guggulu etc. binding agents are boiled with water until they attain a consistency like lehyam and then powders of other ingredients are added to make a paste for preparing Vati.
Eg: Yogaraja Guggulu, Kaishora Guggulu, Sudarshana Ghanavti etc.
- Avahni Sadhya vati
कुर्यादवह्निसिद्धेन क्वचिद् गुग्गुलुना वटीम् |
द्र वेण मधुना वाऽपि गुटिकां कारयेद् बुधः || (Sha.Ma.Kh.7/3)
Vati prepared without the help of Vahni or fire is called Avahnisadhya Vati or Niragnisiddha Vati. In this method, binding is achieved using readily available liquid media such as honey, fresh herbal juices (Svarasa), or water, rather than traditional binding agents like sugar, jaggery, or guggulu.
Eg; Eladi Vati, Lavangadi Vati, Sanivani Vati etc.
General Ingredients Used in Vati Preparation
- Different parts of herbs
- Purified Mineral Substances
- Metallic preparations such as Bhasma
- Animal-derived substances
- Binding agents like guggulu, jaggery, sugar, honey etc.
- Bhavana Dravya (Agents used for trituration of main ingredients to enhance the therapeutic properties)
Proportion of Binding Agents
सिता चतुर्गुणा देया वटीषु द्विगुणो गुडः |
चूर्णाच्चूर्णसमः कार्यो गुग्गुलुर्मधु तत्समम् |
द्रवं च द्विगुणं देयं मोदकेषु भिषग्वरैः || (Sha.Ma.Kh.7/4)
Proportion of different binding agents in relation to other ingredients –
Sita (Sugar) – 4 times
Guda (Jaggery) – 2 times
Guggulu – Equal
Madhu (Honey) – Equal
Drava (Any Liquid) – 2 times
General Steps in Vati Preparation
- Collection and purification of ingredients
- Preparation of fine powder (Churna) of the ingredients
- Preparation of a binding medium (with or without heat)
- Mixing and trituration (Mardana/Bhavana) to obtain a uniform mass
- Rolling and shaping into pills of specified size
- Drying under suitable conditions
- Packaging and storage in airtight containers
General Method of Preparation of Vati
For the Vati preparation ingredients are required in finer form. If herbal ingredients – that means plant origin substances are used, then should be converted into fine powder after proper drying. If mineral ingredients are used – they should be converted into Bhasma or Sindhoora form. And specifically, if parada (mercury) and gandhaka (sulphur) are mentioned, they should be triturated together to obtain a mixture called ‘Kajjali’.
The fine powders of ingredients are then mixed with a suitable binding medium to obtain a homogeneous mass. Depending on the nature of the formulation, the binding agent may be prepared either with heat (Sagni method) or without heat (Niragni method). In the Sagni method, substances such as jaggery, sugar, or guggulu are heated to achieve the desired consistency before incorporating the powdered drugs. In the Niragni method, liquid media such as honey, herbal juices (Svarasa), decoctions (Kwatha), or water are directly triturated with the powders without the application of heat. The resulting mass is thoroughly triturated (Mardana/Bhavana) until it becomes smooth and pliable, after which it is rolled into pills of the desired size and shape. The prepared Vatis are then dried, usually in shade, and stored in airtight containers to preserve their quality and therapeutic efficacy.
Dosage
कर्षप्रमाणा तन्मात्रा बलं दृष्ट्वा प्रयुज्यताम् | (Sh.Ma.Kh. 7/5)
According to Acharya Sharangadhara, the dosage of Vati should be determined after considering the Bala (strength) of the patient. He recommends one Karsha as the standard dose of Vati. However, before administering any Vati Kalpana, factors such as the patient’s age, digestive capacity (Agni), physical strength, body weight, and the severity and chronicity of the disease should be carefully considered.
Shelf life of Vati
According to Sharngadhara shelf life of Vati Kalpana is one year.
However, according to Rule 161B of the Drugs and Cosmetics Act, the shelf life of Vati Kalpana is two years, provided it is stored in a moisture-free environment.
Anupana and Administration
Various substances are prescribed as Anupana for Vati preparations, including water (Jala), warm water (Ushnodaka), milk (Ksheera), ghee (Ghrita), honey (Madhu), buttermilk (Takra), decoctions (Kwatha), and fresh herbal juices (Svarasa). The same Vati may produce different therapeutic effects when administered with different Anupanas. For example, digestive and carminative Vatis are commonly administered with warm water, while rejuvenative (Rasayana) formulations may be given with milk or ghee. Similarly, formulations intended for respiratory disorders are often prescribed with honey.
Advantages of Vati Kalpana
Vati Kalpana is one of the most popularly prescribed dosage forms in Ayurveda because it combines therapeutic efficacy with convenience, stability, and patient acceptability. Here are the advantages of Vati Kalpana over other dosage forms:
Ease of Administration
Vatis are easy to consume and do not require preparation before use, unlike decoctions (Kwatha) which need boiling and filtration.
Precise Dosage
Each Vati is designed with standard, specific quantities of medicine, ensuring consistency in dosing and reducing the possibility of dosage errors.
Palatability
Many Ayurvedic medicines have a bitter or unpleasant taste. So, when Vatis are made, they mask these sensory characteristics, making them more acceptable to patients.
Extended Shelf Life
As Vatis contain low moisture content, they generally possess greater stability and a longer shelf life compared to liquid formulations such as Kashayas.
Convenience in Storage and Transportation
Vatis are compact, lightweight, and less prone to spillage or contamination. They can be conveniently stored, packaged, and carried during travel.
Suitability for different types of Ingredients
Vati Kalpana is an ideal method for formulating different varieties of ingredients. It can accommodate a wide variety of ingredients, including herbal powders, purified minerals, metallic preparations, and resins such as Guggulu, making it a versatile dosage form.
Economic Feasibility of Preparation
Compared with some other dosage forms, Vati preparations are relatively economical to manufacture, package, and distribute on both small and large scales.
