
After a prostate cancer diagnosis, your relationship with food can shift. Questions about what to eat and what to avoid, naturally surface. Healthy nutrition for prostate cancer recovery is not about gimmicks or extremes. It’s just food that helps your body recover.
There’s no magic “anti-cancer” diet. But there is strong evidence consistent, balanced eating can support energy levels, help manage treatment side effects, and aid long-term recovery. This guide outlines five areas to help you get started.
1. Eat More Colourful Plants
A nutrient-rich diet doesn’t have to be restrictive. It starts with variety, especially when it comes to fruits and vegetables.
Plant foods contain natural compounds that support your immune system, reduce inflammation, and assist in cellular repair.
Simple daily goals:
- Add berries to breakfast
- Include two different vegetables at lunch and dinner
- Aim for five servings per day or more
Fresh, frozen, or canned? There all good.
2. Prioritise Quality Proteins
Protein supports tissue repair, helps rebuild lost muscle, and plays a key role in recovery. If you’ve experienced weight loss or fatigue during treatment, consistent protein intake can help.
Focus on:
- Oily fish (e.g. salmon, sardines, mackerel) – 2x per week
- Eggs, beans, and legumes
- Lean poultry
- Small portions of red meat (no more than once or twice per week)
Limit processed meats like bacon and sausages which are linked to increased cancer risk and systemic inflammation. If appetite is an issue, small meals with protein throughout the day can help.
3. Choose Whole Grains Over Refined
White bread, sugary cereals, and refined rice digest quickly, often leaving you more tired than before. Whole grains, on the other hand, offer sustained energy, dietary fibre, and essential nutrients.
Good options include:
- Wholegrain bread and oats
- Brown rice or quinoa
- Barley, bulgur, buckwheat
Whole grains also support gut health, which plays a role in immunity, inflammation, and even hormone balance.
4. Include Healthy Fats
Not all fats are the same. In fact, certain fats – particularly those from whole foods – support brain function, heart health, and help reduce inflammation.
Focus on:
- Extra virgin olive oil
- Avocados
- Nuts and seeds
- Fatty fish (again, that omega-3 boost)
Cut back on:
- Deep-fried foods and baked goods made with trans fats
- Large amounts of butter or processed snack foods
A steady intake of healthy fats can help you recover better both physically and mentally.
5. Don’t Overlook Hydration
Staying hydrated can help reduce fatigue, support digestion, and improve focus. But it’s easy to neglect, especially when your routine changes during treatment.
What to aim for:
- Carry water with you
- Add lemon, berries, or herbs if the taste of plain water isn’t appealing
- Herbal teas can count toward fluid intake
As for alcohol, avoid it. Alcohol can interfere with with your treatment.
What to Avoid? Guilt and Extremes
You don’t need to follow restrictive diets, eliminate entire food groups, or chase the latest nutrition trend. Overcomplication often leads to stress, not strength.
The most effective approach:
- Eat more plants and whole foods
- Minimise ultra-processed and high-sugar items
- Focus on consistency, not perfection
Respect what your body has been through – and support what it’s working to become.
Last word
Good nutrition for prostate cancer is not rocket science. Choose one thing. Add a vegetable to your lunch. Swap refined grains for whole ones. Cook a simple meal that includes protein, fibre, and healthy fat. And keep it simple.
Keep moving.
References
1. World Cancer Research Fund / American Institute for Cancer Research. Diet, Nutrition, Physical Activity and Prostate Cancer. 2018. https://www.wcrf.org/wp-content/uploads/2024/10/prostate-cancer-report.pdf
2. Chan, J.M., Gann, P.H., & Giovannucci, E.L. (2005). Role of diet in prostate cancer development and progression. Journal of Clinical Oncology, 23(32), 8152–8160. doi: 10.1200/JCO.2005.03.1492
3. Xu, X., Li, 1J., Wang, X., et al. (2016). Tomato consumption and prostate cancer risk: a systematic review and meta-analysis. Scientific Reports, 14(6), 37091. doi: 10.1038/srep37091
4. Zuniga, K.B., Chan, J.M., Ryan, C.J., & Kenfield, S.A. (2021). Diet and lifestyle considerations for patients with prostate cancer. Urologic Oncology, 38(3), 105–117. doi: 10.1016/j.urolonc.2019.06.018
