How Cashews Affect Your Body and Health

From blood sugar balance to heart health, here’s how these creamy nuts support your well-being.

Cashews aren’t just a crunchy snack they’re a surprisingly powerful food packed with nutrients, antioxidants, and health-supportive fats. Whether tossed into stir-fries or blended into creamy nut milk, these buttery nuts can offer a wide range of benefits for your body.

Here’s a closer look at what actually happens when you eat cashews, plus how to enjoy them as part of a healthy diet.

1. You Get a Nutrient Boost

A 1-ounce serving of cashews (about a small handful) provides roughly:

  • 163 calories

  • 4.3g protein

  • 13g fat (mostly healthy fats)

  • 1g fiber

They’re also rich in:

  • Copper: Nearly 70% of your daily recommended intake, vital for immune and nervous system health

  • Magnesium and phosphorus: Support bone health and energy production

  • Iron and zinc: Key for oxygen transport and immune function

  • Vitamin K: Essential for blood clotting and bone metabolism

Cashews offer an easy way to load up on minerals that many people don’t get enough of especially copper and magnesium.

2. Your Cells Get Antioxidant Protection

Cashews contain polyphenols and carotenoids, plant-based antioxidants that help combat oxidative stress. These compounds fight inflammation, protect cells from damage, and may reduce your risk of certain chronic diseases.

Interestingly, roasted cashews may have slightly more antioxidant power than raw, according to early research but both are beneficial.

3. Your Heart May Thank You

Despite being high in fat, cashews are rich in monounsaturated and polyunsaturated fats, which are known to support heart health. These fats may help:

  • Lower LDL ("bad") cholesterol

  • Reduce triglycerides

  • Increase HDL ("good") cholesterol

Some studies show that replacing high-carb snacks with a daily serving of cashews can improve cholesterol profiles and potentially reduce the risk of heart disease and stroke.

4. They May Help With Weight Management

Yes, nuts are calorie-dense but that doesn’t mean they’re fattening. Cashews contain protein, fiber, and healthy fats that help keep you feeling fuller for longer, which may reduce overall calorie intake.

Research suggests that people who regularly eat nuts are less likely to gain excess weight over time. Substituting processed snacks with cashews may help support a healthy weight.

5. They Could Benefit Blood Sugar Levels

Cashews have a relatively low carbohydrate content and offer healthy fats and fiber all of which contribute to more stable blood sugar levels.

For people with type 2 diabetes, eating cashews may help:

  • Improve insulin sensitivity

  • Boost HDL (good) cholesterol

  • Lower systolic blood pressure

Long-term nut consumption has also been associated with lower diabetes risk, thanks to their blood sugar–friendly nutrient profile.

6. Cashews Are Incredibly Versatile

It’s easy to enjoy cashews in many forms:

  • As a snack: Raw or roasted

  • Toppings: Sprinkle over oatmeal, yogurt, or salads

  • In cooking: Add to stir-fries or rice dishes for texture and flavor

  • As milk or butter: Try unsweetened cashew milk or cashew butter for a dairy-free option rich in iron and healthy fats

Cashews pair well with both sweet and savory dishes and they’re often used in vegan cooking to create creamy sauces and desserts.

7. Some Medications May Interact

Cashews can interact with certain medications. If you're taking:

  • Blood thinners

  • Antibiotics

  • Blood pressure medications

… it’s a good idea to check with your healthcare provider to make sure cashews won’t interfere with how your medications work.

8. They’re Off-Limits for People With Tree Nut Allergies

Cashews are a tree nut, and an estimated 20% of people with nut allergies are sensitive to them. Reactions can range from mild itching to severe anaphylaxis, so it’s crucial to avoid cashews if you have any history of nut allergies.

Can You Eat Cashews Every Day?

Yes, as long as you stick to about 1 ounce per day and avoid versions with added oils, sugars, or excessive salt. Look for:

  • Dry-roasted or raw varieties with minimal processing

  • No added sugar or flavorings

  • Low-sodium options if you're watching salt intake

Cashews contain less fat per serving than many other nuts 13.2g vs. 15–22g in some others and still deliver valuable minerals and heart-healthy fats.

Cashews vs. Other Nuts

How do they compare?

  • Higher in copper and magnesium

  • Lower in fat than almonds, pecans, and walnuts

  • Lower in fiber and protein than peanuts or pistachios

  • Milder flavor and creamier texture

Walnuts may have a slight edge in antioxidants, but cashews offer a unique blend of taste, texture, and nutrients that make them a worthy addition to your diet.

The Bottom Line

Cashews are more than just a tasty snack they’re a nutrient-dense food that supports heart health, blood sugar balance, and weight management. Unless you have a nut allergy or take medications that interact with them, a small daily serving can be a delicious and healthy habit.

If this article helped you rethink your snack game, subscribe to our newsletter or share it with a fellow cashew fan.