Pure lemonade does not usually cause a significant rise in blood sugar. Excessive consumption by diabetics may raise blood sugar. Lemonade is usually obtained by steeping lemons in water. Lemons have a low glycemic index and are rich in vitamin C, calcium, phosphorus and other nutrients, so both healthy people and diabetic patients can drink lemonade appropriately without a significant increase in blood sugar. However, if the lemonade type of drinks, usually to maintain the taste of adding a lot of sugar, after drinking such drinks may cause greater fluctuations in blood sugar, not conducive to diabetic patients to control blood sugar, is not recommended to drink. Consult your physician or dietitian for specific dietary combinations.