What we eat and how we live day to day shape our energy, mood and clarity. Many people go back and forth between strict plans and neglect, then feel guilty about both. The Gita treats food and lifestyle as part of spiritual life, not a side issue, and its tone is steady and practical: avoid extremes, choose wholesome things and build habits you can keep.
Gita 6.16 and 6.17 say a balanced lifestyle in eating, recreation, work, sleep and wakefulness creates the ideal condition for yoga to remove sorrow, since yoga cannot be perfected through extremes. Gita 17.7 says even daily choices of food, giving and discipline fall into sattvic, rajasic or tamasic patterns. Gita 17.8 describes wholesome, nourishing and agreeable food as supporting strength, health, cheerfulness and clarity of mind, while Gita 17.9 says intensely stimulating foods attract the restless mind but lead to distress.
The Gita also warns about neglect and invites gratitude. Gita 17.10 says spoiled, lifeless and impure food dulls the mind and body, so prefer food that is fresh, clean and properly prepared. Gita 15.14 says the Divine abides within every body as the digestive fire, so eat mindfully and with gratitude. Gita 18.52 lists a quiet place, moderate eating and regular meditation as supports of inner life, and Gita 4.30 links disciplined diet with purification. For medical or dietary concerns, or if food feels difficult for you, please talk with a doctor or dietitian.