Gandharvahasthadi Thailam (Oil) – Benefits, Usage, Indications and Dosage Reference: Ashtanga Hridayam, Chikitsa sthana 15/21, Sahasrayogam. Introduction Gandharvahasthadi Thailam (Oil) is an Ayurvedic oil used in the treatment of bloating, abdominal pain, etc. Castor oil is used as base in preparation. Ingredients Gandharvahastha moola – Root of castor – Ricinus communis – 4.8 kg Yava – Barley – Hordeum vulgare – 3.072 kg Ginger – Zingiber officinalis – 96 g Water for decoction – 24.576 liters, boiled and reduced to