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.
Also, remember that anytime that you have a nutritional deficiency, such as a lack of magnesium, vitamin C or some B vitamins, it could make a person have a shorter fuse that usual. Good-Mood Foods. Make it your business to try to eat two or more of these good-mood foods every day.