Zandu Sona Chandi Chyawanprash is a natural health tonic for all seasons and for all age group. Gold acts as a powerful rejuvenator and anti-ageing and Silver tones up the nervine system. Saffron acts as an energy booster. Study reveals that Chyawanprash acts as an excellent immunity builder and nourishes, strengthens and balances the entire system. Gold rejuvenates body/ boosts immunity system, and Silver enhances memory, increases concentration & makes mind more alert.