A 3-ounce raw serving of grouper supplies 100 calories. This equals just 5 percent of your daily calorie intake if you consume an average 2,000-calorie diet. One cooked fillet contains 240 calories. Because of its low calorie content, grouper makes an excellent food choice when you're watching your caloric intake.Is grouper good for You?
Grouper is considered a good source of vitamin B6, vitamin B12, phosphorus, potassium, and selenium. The fish has firm, lean flesh and a mild flavor. Grouper is available year-round with peak catches in the Atlantic and Gulf of Mexico occurring during the summer and fall.How healthy is grouper fish?
Grouper comes in numerous varieties, colors and sizes. Like most fish, grouper contains large amounts of protein, minimal amounts of saturated fat and no sugar. Unlike fatty cold-water fish, grouper does not supply large amounts of healthy omega-3 fatty acids.