Cashews are one of the few nuts that manage to be rich and creamy without being heavy. A 30g handful — roughly 18 kernels — carries about 165 calories, 5g of protein and a useful spread of minerals. Below is a plain look at what that means in practice.
1. A solid plant protein
At around 18g of protein per 100g, cashews sit comfortably among the higher-protein nuts. That makes them a practical addition to vegetarian diets, where getting enough protein across the day takes a little more planning.
2. Mostly unsaturated fat
Around 43g of the 100g is fat, but the majority of it is monounsaturated and polyunsaturated — the same family of fats found in olive oil. Saturated fat makes up a comparatively small share.
3. Magnesium
Cashews are unusually rich in magnesium, at roughly 292mg per 100g. Magnesium contributes to normal muscle and nerve function and to bone health, and many everyday diets fall short of the recommended intake.
4. Copper and manganese
Both minerals play a part in energy metabolism and in the body's antioxidant systems. Cashews are among the better everyday dietary sources of copper.
5. Iron and zinc
Not headline amounts, but meaningful — particularly for vegetarian diets where iron and zinc sources need to be spread across several foods rather than relying on one.
6. A lower glycaemic snack
Because the protein and fat slow digestion, cashews raise blood glucose more gradually than most packaged snacks. This makes them a steadier choice between meals.
7. They keep you full
The combination of protein, fat and a little fibre is genuinely satiating. A small portion often does more to hold off hunger than a much larger portion of a carbohydrate snack.
8. Antioxidant compounds
Cashews contain polyphenols and carotenoids. Roasting changes the profile somewhat but does not eliminate them.
9. Versatile enough to actually eat regularly
The most nutritious food is the one you keep eating. Cashews work raw, roasted, ground into a paste, blended into a sauce or scattered over a sweet — so they tend to stay in rotation.
10. Easy to portion
Because they are calorie-dense, portion size matters. A 25–30g serving daily is a reasonable target for most adults. Weighing it once gives you a visual reference you can use from then on.
A note on balance
Cashews are nutritious, not medicinal. They work best as one part of a varied diet rather than as a remedy for anything in particular. Anyone with a tree-nut allergy should avoid them entirely, and if you are managing a specific health condition it is worth checking with a doctor or dietitian before making significant dietary changes.