Canned coconut milk is a refined and processed food. It loses all the fiber, so the carbs that remain are the "bad carbs". It has a bit more protein and almost double the fat, but the coconut oil has been heated, so it is no longer "virgin".
1 cup canned coconut milk contains 445 calories, 5 grams protein, and 6 grams of carbohydrate. Total fat is 48.2 grams. That fat has been heat processed during canning at least. Probably also during the making of the coconut milk.
Canned coconut milk lacks vitamin B2 and B12 but has a good range of other B vitamins including 30 mcg of folic acid. Vitamin C content is 2.3 mg. For the minerals 1 cup coconut milk contains 40.7 mg of calcium, 7.5 mg. of iron, 104.0 mg. of magnesium, 497 mg. of potassium, and 1.3 mg. of zinc.