Raisins contain vitamins, minerals, glucose, phenolic compounds, resveratrol, fruit acids and other nutrients. Diabetics should not eat raisins often.

Raisins are rich in vitamin A, vitamin C and a certain amount of cellulose. After being absorbed by the human body, these nutrients can increase the activity of skin cells and promote the catabolism of melanin in the body. It can prevent the appearance of melanin on the surface of human skin. Pigmentation can improve skin elasticity and prevent wrinkles from forming. Other trace elements contained in raisins, after being absorbed by the human body, can also prevent oxidation reactions in the human body and reduce the damage to skin cells caused by free radicals and peroxidized lipids.

Raisins are rich in minerals, including calcium, iron, phosphorus and other substances. After being absorbed by the human body, they can promote bone development and improve the hematopoietic function of the human body. It has multiple effects such as replenishing qi and blood, relieving physical weakness, etc., and can treat various uncomfortable symptoms such as dark complexion, dull skin, and iron deficiency anemia that often occur in humans. The resveratrol contained in raisins is also an anti-cancer ingredient. It is absorbed by the human body and can prevent human cells from becoming cancerous and remove carcinogens from the body, which will improve the body's anti-cancer ability.

Raisins are also rich in phenolic compounds and resveratrol. These substances can promote the regeneration of immune cells in the body, enhance human immune function, and can protect human cardiovascular and slow down cardiovascular and cerebrovascular diseases. The aging speed can also reduce blood viscosity, improve the body's anti-coagulation ability, and reduce the incidence of atherosclerosis, thrombosis, stroke and other diseases. Raisins are also rich in fruit acid and fiber, which can not only promote the secretion of digestive juices in the human body but also speed up gastrointestinal motility. Regular consumption can improve gastrointestinal digestive function.

Raisins have high nutritional value and excellent health care effects, but diabetic patients cannot eat raisins often because raisins are a food containing a lot of glucose. Diabetic patients will absorb the glucose after eating raisins, which can easily cause blood sugar to rise rapidly. Elevated levels will aggravate the condition of diabetic patients and increase the risk of complications from diabetes, which is detrimental to health.