Vitamin B12 is found naturally in a wide variety of animal foods. Plant foods have no vitamin B12 unless they are fortified. You can get the recommended amounts of vitamin B12 by eating a variety of the foods including: 1  Organ meats (beef liver). 2  Shellfish (clams). 3  Meat, poultry, eggs,milk and other dairy foods.
Eating a variety of healthy foods is one way to help you smile when you step on the scale, and modifying your diet to include more mood-enhancing foods can also help you maintain that cheery disposition. A healthy diet isn't a cure for clinical depression or mood disorders, however.
1. Good Nutrition Improves Well-Being. Eating a poor diet reduces physical and mental health because eating healthy allows people to be more active. Two-thirds of people who eat fresh fruit and vegetables daily report no mental health issues, as reported by the Mental Health Foundation.