Sixty-five-year-old people feel fatigue check no disease, consider is due to the elderly usually intake of nutrients is insufficient, nutritional absorption obstacles, etc. caused by. 1. Insufficient nutritional intake: sixty-five-year-old people who usually eat too single diet structure, nutrient intake is too small, easy to lead to the body for a long time lack of nutrients, fatigue occurs, but may not have checked the organic disease. 2. Nutritional absorption disorders: sixty-five-year-old people with gastrointestinal digestive function decline, nutrient absorption disorders, nutrient loss of a relatively large proportion of the body may also lead to malnutrition, showing symptoms of fatigue. It is recommended to adjust the dietary structure of the elderly in a timely manner, to ensure balanced nutritional intake every day, to avoid the elderly picky eaters, etc., if necessary, you can follow the doctor’s advice to take probiotics such as bifidobacteria, lactase, etc., to improve the above symptoms. There are other reasons for fatigue discomfort, please consult the hospital in time, and actively diagnosis and treatment, so as not to delay the condition.