102 New research suggests that certain plant foods and their bioactive compounds may improve the effectiveness of 5-fluorouracil, a widely used chemotherapy drug for colon cancer, while reducing its toxic side effects. Scientists are increasingly looking at how natural compounds found in fruits, vegetables, legumes, and tea can work alongside conventional treatments to enhance patient outcomes. The findings were published in the journal Food Reviews International. Colon cancer remains one of the most prevalent cancers worldwide, with rising incidence rates in many countries. Standard treatment often involves surgery and chemotherapy, with 5-fluorouracil playing a key role in managing the disease. But many patients experience severe side effects such as nausea, diarrhoea, and immune suppression, limiting the drug’s effectiveness. Additionally, resistance to the treatment can develop over time, reducing its impact on tumour cells. Recent studies have explored how certain plant foods may act as natural enhancers of chemotherapy by increasing drug sensitivity in cancer cells and mitigating harmful side effects. Compounds such as flavonoids, polyphenols, and alkaloids found in a variety of edible plants have demonstrated anti-cancer properties. These natural substances appear to work through multiple mechanisms, including inhibiting tumour growth, promoting cancer cell death, and reducing inflammation that can contribute to disease progression. Among the promising dietary sources, citrus fruits contain flavonoids like hesperidin and naringin, which have shown potential in sensitising cancer cells to chemotherapy. Similarly, green tea is rich in epigallocatechin gallate, a polyphenol that has been linked to improved chemotherapy response. Other plant-based compounds, such as curcumin from turmeric and resveratrol from grapes, have also exhibited synergistic effects when combined with 5-fluorouracil, potentially increasing its efficacy. One of the significant challenges in chemotherapy is managing its toxicity, which can severely impact a patient’s quality of life. Research indicates that certain plant-derived compounds may help alleviate these effects. Pomegranate extracts, for example, have been found to reduce chemotherapy-induced inflammation in the gut, potentially easing digestive discomfort associated with treatment. Similarly, garlic and its sulphur-containing compounds have been studied for their ability to protect normal cells from oxidative damage caused by chemotherapy. While the potential benefits of plant-based compounds in cancer treatment are promising, further research is needed to translate these findings into clinical practice. One of the key concerns is the variability of bioactive compounds in plant foods, which can be influenced by factors such as cultivation methods and storage conditions. Additionally, the optimal dosage and combinations of these natural compounds with chemotherapy drugs remain under investigation. Scientists emphasise that while dietary interventions could support chemotherapy, they should not replace standard treatments. Patients are encouraged to discuss dietary changes with their healthcare providers before making adjustments to their treatment plans. With further clinical research, integrating plant foods into cancer therapy could become a valuable strategy to improve treatment outcomes and enhance patient well-being.