Knowledge Center
Surgical Oncology
| 09 February 2026
Chemotherapy is a potent method employed to eliminate cancer cells that grow quickly. However, in addition to its effects on cancer cells, it can also impact healthy cells, resulting in various side effects, including nausea, vomiting, fatigue, loss of appetite, mouth sores, weakened immunity, diarrhea, constipation, and changes in taste. Although medical support and medications are essential, nutrition and food are also important in alleviating these symptoms and enhancing overall well-being during treatment.
Selecting appropriate foods can aid in quicker bodily recovery, strength maintenance, immune support, and mitigation of chemotherapy side effect intensity. This blog examines the most effective foods for alleviating chemotherapy side effects, the reasons they are effective, and tips for incorporating them into your daily diet.
Why Food Matters During Chemotherapy
The digestive system, metabolism, and appetite can all be impacted by chemotherapy. A lot of patients deal with problems related to nutrient deficiencies, dehydration, and fluctuations in weight. Consuming the appropriate foods can:
Even minor adjustments to diet can significantly impact a patient’s experience of treatment.
1. Ginger – Best for Nausea and Vomiting
The anti-nausea properties of ginger are widely recognized. Research indicates that ginger can greatly alleviate chemotherapy-induced nausea. Its natural ingredients, such as gingerol and shogaol, calm the stomach and target brain receptors associated with nausea.
How to consume:
Tip: For optimal results, opt for fresh ginger rather than highly processed varieties.
2. Bananas – Gentle on the Stomach & Great for Diarrhea
Bananas are soft and gentle on the stomach, and they are rich in potassium — a mineral that is frequently depleted during vomiting or diarrhea. They help to replenish electrolytes and make stools firmer.
How to consume:
Due to their mild flavor, they are suitable even when one’s appetite is low.
3. Oatmeal – Soothing & Nutritious for Fatigue
Oatmeal is packed with fiber, B-vitamins, iron, and slow-digesting carbohydrates that offer sustained energy. Its gentle texture is beneficial for those who have mouth sores or struggle with swallowing.
How to consume:
Add soft fruits like berries or banana for additional antioxidants.
4. Yogurt – Supports Gut Health & Immunity
The gut microbiome can be disrupted by chemotherapy, resulting in digestive problems. Probiotics in yogurt help to replenish healthy gut bacteria and bolster overall immunity.
Benefits:
How to consume:
Avoid heavily sweetened or artificially flavored varieties.
5. Broth-Based Soups – Easy to Digest & Hydrating
It is very common to become dehydrated during chemotherapy. Soups made with broth are great options due to their hydrating properties, ease of digestion, and nutrient density.
Best options:
They also supply electrolytes and essential minerals.
6. Eggs – High in Protein & Easy on the Stomach
Tissue repair and muscle strength maintenance are both dependent on protein. Eggs provide premium protein, vital amino acids, and B-vitamins.
How to consume:
Avoid raw or undercooked eggs because the immune system may be weakened during chemotherapy.
7. Berries – Rich in Antioxidants & Immune-Boosting
Berries like blueberries, strawberries, and raspberries are rich in antioxidants, vitamins, and have anti-inflammatory properties.
Benefits:
Add berries to yogurt, smoothies, or oatmeal for a nutritious boost.
8. Lean Chicken & Fish – Essential for Strength & Recovery
The body’s need for protein increases due to chemotherapy. Chicken, turkey, and fish are examples of lean meats that offer vital nutrients like B12, iron, zinc, and omega-3 fatty acids.
Salmon, mackerel, and sardines are sources of omega-3s that aid in diminishing inflammation and fatigue.
How to consume:
To prevent discomfort while chewing, opt for soft forms that are thoroughly cooked.
9. Avocados – Healthy Fats for Energy & Weight Maintenance
Due to a diminished appetite, weight loss is a frequent side effect of chemotherapy. Avocados are high in calories and healthy fats, yet easy on the digestive system.
Benefits:
Avocados can be incorporated into smoothies, salads, or used as a spread on soft bread.
10. Carrots & Sweet Potatoes – Rich in Beta-Carotene
Beta-carotene bolsters immunity and promotes skin health. When boiled or mashed, these vegetables can be easily digested.
Benefits:
They work well in soups, porridges, or purees.
11. Herbal Teas – Comforting & Helpful for Nausea
Certain herbal teas can alleviate symptoms such as nausea, indigestion, and anxiety.
Best options:
Avoid overly hot beverages if you have mouth sores.
12. Whole Grains – Support Long-Lasting Energy
Fatigue is a common side effect of chemotherapy. Thanks to their fiber and nutrient content, whole grains offer sustained energy.
Best options:
They also assist in regulating blood sugar levels and promoting digestive health.
13. Pumpkin Seeds & Nuts – Fight Fatigue & Provide Minerals
Almonds, walnuts, and pumpkin seeds are rich in protein, zinc, and magnesium — all of which aid energy levels, immunity, and muscle recovery.
How to consume:
Choose unsalted varieties to avoid irritation or bloating.
How to Build a Chemotherapy-Friendly Meal Plan
Here are a few practical tips:
To prevent nausea and keep your appetite, try having 5–6 smaller meals instead of three large ones.
Particularly crucial in the case of mouth sores.
Incorporate soups, herbal teas, infused water, and coconut water.
Choose foods with a mild flavor, as intense odors can induce feelings of nausea.
This combination aids in maintaining energy and promoting recovery.
Consume what feels right — preferences can shift throughout treatment.
Related: What to Expect After a Tumor Removal Surgery
Chemotherapy can take a toll on both the body and mind, yet proper nutrition can help ease the process. Incorporating ginger for nausea, yogurt for gut health, oatmeal for energy, berries for immunity, lean proteins for strength, and avocados for healthy calories can greatly enhance your well-being during treatment.
Each person’s experience of chemotherapy is distinct. Therefore, collaborating with your physician or a clinical nutritionist to develop a customized dietary plan that aligns with your treatment requirements and health status is crucial.
As one of the most trusted centers for advanced cancer treatment in India, Jaslok Hospital provides world-class oncology care, compassionate support, and expert nutritional guidance for patients undergoing chemotherapy. Jaslok Hospital guarantees thorough treatment that fosters recuperation, ease, and enduring health through its highly skilled experts, cutting-edge technology, and patient-centered methodology.
