The Diets of Centenarians that have been observed in various studies.

Primarily plant-based includes fruits, vegetables, legumes, whole  grains, and nuts. These foods are nutrient-dense and provide a variety  of vitamins, minerals, and antioxidants.

Centenarians tend to consume limited amounts of meat and dairy products.

Centenarians tend to eat smaller portions compared to younger adults.  This may be due to changes in metabolism and appetite as we age.

Centenarians tend to limit their intake of processed foods and foods high in added sugars and saturated fats 

Many centenarians tend to follow regular mealtimes and avoid snacking  between meals. This may help regulate appetite and prevent overeating. 

Centenarians tend to consume a moderate amount of calories. They do not  necessarily follow strict calorie-restricted diets, but they tend to eat  until they are satisfied rather than overeating.