I'm really worried about my dad. He's a CKD patient on alternate day dialysis and he loves eating 8-10 raw almonds every day. I've heard mixed things about almonds, so I'm wondering if they're actually good or bad for him. Also, he enjoys snacking on black grapes, but Im not sure if theyre okay for his condition. Can you help me figure this out?

Dr Dhankecha Dineshbhai

General Practitioner

• MBBS
• 6+ Yrs

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As a CKD patient on dialysis, it's essential to monitor your father's diet to ensure it's not exacerbating his condition.

Almonds for CKD Patients

Eating almonds can be beneficial for CKD patients in moderation. Almonds are a good source of:

1. Protein: Can help maintain muscle mass.
2. Healthy fats: May help reduce inflammation.
3. Fiber: Can aid in digestion and blood sugar control.
4. Antioxidants: May help reduce oxidative stress.

However, it's crucial to consider the following:

1. Phosphorus content: Almonds are relatively high in phosphorus, which can be problematic for CKD patients. Excessive phosphorus consumption can lead to hyperphosphatemia, which can worsen kidney function.
2. Potassium content: Almonds are also a good source of potassium. While potassium is essential, excessive intake can be harmful for CKD patients, potentially leading to hyperkalemia.

Given your father's dialysis schedule, it's recommended to limit his almond intake to 1-2 ounces (28-57g) per day, approximately 1-2 almonds.

Black Grapes for CKD Patients

Black grapes can be a healthy addition to your father's diet in moderation. They are rich in:

1. Antioxidants: May help reduce oxidative stress and inflammation.
2. Fiber: Can aid in digestion and blood sugar control.
3. Potassium: While potassium is essential, CKD patients should monitor their intake to avoid hyperkalemia.

However, it's essential to consider the following:

1. Resveratrol content: Black grapes contain resveratrol, a polyphenol that may interact with certain medications, including blood thinners.
2. Sugar content: Grapes are relatively high in natural sugars, which can impact blood sugar control.

In moderation, 12 cup of black grapes (about 80g) per day is a reasonable serving size for your father.

Answered 04/07/2025