Cashews aren’t just creamy, craveable, and delicious—they’re also nutritional powerhouses packed with essential minerals, healthy fats, and plant-based goodness. Often overlooked in favor of almonds or walnuts, cashews quietly deliver a wide range of health benefits that support everything from your heart to your skin, muscles, and metabolism.
Whether you enjoy them raw, roasted, or blended into silky cashew butter, these humble nuts offer far more than just satisfying crunch.
Let’s explore what doctors and nutrition science say about making cashews a regular part of your diet.
The Nutritional Profile: Small Nut, Big Impact
One ounce of cashews (about 18 nuts) contains:
| Nutrient | Amount | % Daily Value | Benefit |
|---|---|---|---|
| Healthy fats | 12g | — | Mostly monounsaturated (heart-healthy) |
| Protein | 5g | 10% | Muscle maintenance, satiety |
| Copper | 0.6mg | 67% | Energy production, brain health |
| Magnesium | 83mg | 20% | Muscle function, blood pressure |
| Manganese | 0.5mg | 23% | Bone health, metabolism |
| Zinc | 1.6mg | 15% | Immune function, wound healing |
| Iron | 1.9mg | 11% | Oxygen transport |
| Phosphorus | 168mg | 13% | Bone health |
And all for about 160 calories per ounce.
What Doctors Say Happens When You Eat Cashews Regularly
1. Your Heart Health May Improve
Despite their reputation as a “high-fat” food, cashews contain primarily heart-healthy monounsaturated and polyunsaturated fats. These fats are associated with:
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Lower LDL (“bad”) cholesterol
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Reduced triglycerides
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Improved blood vessel function
The research: A 2018 study found that regular nut consumption (including cashews) was associated with a significantly lower risk of cardiovascular disease. The FDA even allows a qualified health claim for nuts stating that “eating 1.5 ounces per day of most nuts as part of a diet low in saturated fat and cholesterol may reduce the risk of heart disease.”
2. Your Blood Sugar May Stabilize
Cashews have a relatively low glycemic index compared to many snacks. The combination of healthy fats, protein, and fiber slows the absorption of carbohydrates, preventing sharp blood sugar spikes.
The research: A 2018 study in the Journal of Nutrition found that cashew consumption improved insulin sensitivity in people with type 2 diabetes. Another study showed that adding cashews to meals reduced the post-meal blood sugar response.