Raw macadamia nuts are 1% water, 14% carbohydrates, 76% fat, and 8% protein (table). A 100 gram reference amount of macadamia nuts provides 740 kilocalories, and are a rich source (20% or more of the Daily Value (DV)) of numerous essential nutrients, including thiamine (104% DV), vitamin B6 (21% DV), other B vitamins, manganese (195% DV), iron (28% DV), magnesium (37% DV) and phosphorus (27% DV) (table).

Compared with other common edible nuts, such as almonds and cashews, macadamias are high in total fat and relatively low in protein. They have a high amount of monounsaturated fats (59% of total content) and contain, as 17% of total fat, the monounsaturated fat, omega-7 palmitoleic acid.

澳大利亚坚果含油量高达70%以上，富含不饱和脂肪酸，还含有丰富的钙，磷 ，铁，维生素B1、B2和人体必需的8种氨基酸。同时由于热量过高，每日食用3~5颗即可，过量摄入可能会引起肥胖等问题。