Siddha doctors study it for 5–8 years. A casual reader may spend 2–3 years just understanding the first 1,000 verses.
For researchers looking for the original palm-leaf manuscript transcriptions: bogar 12000 book in tamil best
Bogar 12000 – Complete Set (usually 6–8 volumes) Publisher: Sathya Narayana Book House, Chennai Why useful: Clear Tamil font, affordable, and widely available online/offline. Siddha doctors study it for 5–8 years
is particularly distinguished for its extensive details on complex medicinal preparations. Key Insights into Bogar 12000 Medicinal Wisdom Chennai Why useful: Clear Tamil font
For beginners interested only in medicine: from New Century Book House.
Both are complementary. Agastya focuses on herbology and astrology; Bogar focuses on mercury-based alchemy and kundalini. Get both for complete Siddha knowledge.
Unlike abstract philosophy, the verses provide "recipes" for physical and spiritual transformation.