Drinking soda without additives and sugar generally has a small effect on blood sugar and does not cause a significant rise in blood sugar. The main ingredients of natural soda are sodium bicarbonate and water, which have a small impact on blood sugar, and a small amount of drinking will generally not cause blood sugar fluctuations. In addition, when choosing soda, it is best to choose natural soda without additives and sugar, otherwise soda containing sugar may still affect blood glucose, which is not conducive to blood glucose control. Soda should not be consumed too much at one time, otherwise it may aggravate the burden on kidneys and heart. For more nutritional knowledge related to soda, it is recommended to refer to a nutritionist, and for diabetes or people who need to control sugar, you can consult an endocrinologist or a nutritionist for dietary solutions.