Can people with high blood sugar eat seafood?
May 20, 2025
Source: Cainiu Health
Dr. Liu Feng
Introduction
In general, individuals with high blood sugar can consume seafood, as long as it is done in moderation. However, excessive consumption should be avoided, especially of seafood high in purines such as shellfish, shrimp heads, and crab roe. Patients with both gout and high blood sugar need to strictly control their intake to prevent gout attacks. It is recommended to choose light cooking methods such as steaming or boiling, and avoid frying, braising, or adding large amounts of sugary sauces.
Generally, people with high blood sugar can consume seafood, as long as they do so in moderation. Detailed analysis is as follows:
Seafood is rich in high-quality protein with a balanced amino acid composition that is easily digested and absorbed, providing essential nutrients to the body. Proteins have a low glycemic index and are unlikely to cause significant fluctuations in blood glucose levels. Meanwhile, most seafood contains abundant omega-3 fatty acids—these unsaturated fatty acids can regulate blood lipids, improve vascular endothelial function, and reduce the risk of cardiovascular complications in diabetic patients. Shellfish and shrimp also contain minerals such as zinc, selenium, and iodine, as well as vitamin B12. Zinc participates in insulin synthesis and secretion, while selenium has antioxidant properties that help maintain pancreatic cell function. In addition, although seafood contains low levels of dietary fiber, it is rich in water and minerals. Moderate consumption can increase satiety and reduce intake of high-sugar and high-carbohydrate foods.
However, excessive consumption of seafood should be avoided, especially shellfish, shrimp heads, and crab roe, which are high in purines. Individuals with both gout and high blood sugar must strictly control their intake to prevent gout attacks. Cooking methods should preferably be light, such as steaming or boiling, avoiding frying, braising, or adding large amounts of sugary sauces, which may increase fat and sugar intake. It is also recommended to pair seafood with vegetables and whole grains to create a nutritionally balanced meal structure, which helps further stabilize blood sugar levels.
