What this means: Cashews are an excellent snack choice for anyone concerned about blood sugar—including those with diabetes or prediabetes.

3. Your Brain Gets Essential Minerals

Cashews are exceptionally rich in copper—providing two-thirds of your daily needs in just one ounce. Copper is essential for:

  • Maintaining nerve cells and their insulating sheaths

  • Producing neurotransmitters (chemical messengers in the brain)

  • Supporting energy production in brain cells

They’re also a good source of magnesium, which plays a role in brain plasticity—the brain’s ability to adapt and form new connections.

4. Your Bones May Strengthen

Cashews provide several minerals essential for bone health:

  • Magnesium – Helps calcium absorption and activates vitamin D

  • Manganese – Supports bone mineralization

  • Phosphorus – A key component of bone structure

  • Copper – Helps maintain collagen and elastin in bone tissue

The research: Adequate intake of these minerals is associated with higher bone density and reduced fracture risk, particularly in older adults.

5. Your Immune System Gets Support

Zinc is crucial for immune function—and cashews provide about 15% of your daily needs per ounce. Zinc helps: