When it comes to healthy eating, the underwater world is your oyster. Shellfish is rich in protein and low in calories. Shrimp and lobster are almost completely devoid of saturated fat, and they’re good sources of omega-3 fatty acids. These are the same heart-smart fats found in fatty fish and renowned for their ability to reduce the risk of heart disease, a goal that’s at the top of the list for anyone with diabetes. It’s true these crustaceans are relatively high in cholesterol, but it’s saturated fat, more than dietary cholesterol, that raises levels of cholesterol in the body. An average serving of shellfish has about one-third the cholesterol found in one egg, so moderate consumption generally isn’t a problem. In fact, shellfish helps protect against heart disease.

Lobster, the upper crust of the crustacean world, happens to be a particularly rich source of a littleknown mineral called vanadium, which some studies suggest may enhance insulin’s effect in the body, helping to keep an anchor on blood sugar. (In human studies at Harvard’s Joslin Diabetes Center, vanadium improved insulin sensitivity and lowered cholesterol, too. In another study, at Temple University in Philadelphia, vanadium supplements were shown to lower blood sugar.)

Despite how rich it tastes, lobster is one of the lowest-fat shellfish as long as you don’t plunge it into a pool of melted butter. It’s lower in fat than beef, pork, and even chicken.

Health Bonus
Most shellfish are rich in copper and zinc, both important for your immune system to function at its peak. They also pack an astounding amount of vitamin B12, which may help ward off depression, heart disease, and even Alzheimer’s. And they’re super sources of selenium, an anti-cancer mineral.

Clams are stuffed (pun intended) with sterols, the cholesterol-lowering compounds we’ve mentioned elsewhere.

Glycemic Load: Very low

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