Virgin coconut oil (VCO) is a treasure trove of beneficial biomolecules, including various saturated fatty acids, phospholipids, flavonoids, and phenolic acids. These components endow VCO with anti-inflammatory, antioxidant, antimicrobial, and cholesterol-regulating properties, though its impact on lipids and cholesterol levels remains a subject of ongoing debate across different research contexts. VCO notably surpasses conventional coconut oil in its phenolic content, which amplifies its antioxidant capabilities and overall health benefits. Lauric acid (LA), a predominant medium-chain fatty acid found in VCO, has demonstrated a capacity to enhance the effectiveness of anti-cancer treatments. While some studies suggest a preferential toxicity towards malignant cells, its consistent selectivity over healthy cells requires more definitive confirmation. LA has been observed to impede tumor cell proliferation, foster programmed cell death, and disrupt cancer-related signaling pathways.
Virgin coconut oil shows encouraging signs in addressing various forms of cancer, such as those affecting the lungs, breasts, colon, oral cavity, and liver. Research indicates its capacity to suppress the growth of cancerous cells, particularly in oral and liver malignancies. A nanoemulsion formulated with VCO has been shown to amplify the therapeutic impact of methotrexate against lung cancer cells, concurrently reducing the oxidative stress commonly associated with chemotherapy. While coconut oil exhibits a moderate suppressive effect on skin cancer cell growth, its clinical relevance in this area is presently limited. VCO, being rich in lauric acid, has proven effective in substantially inhibiting colon cancer cell growth and bolstering the integrity of the intestinal barrier. It has also been noted to induce apoptosis in lung cancer and neuroblastoma cells, outperforming refined coconut oil in these aspects.
Investigators have illustrated that VCO hinders the uncontrolled division of breast cancer cells and augments the efficacy of trastuzumab therapy. Computational models suggest VCO's influence on numerous cancer-related proteins and molecular pathways, though further empirical validation is essential. These preliminary results are promising, yet warrant extensive additional investigation. While studies on lauric acid are fewer, existing data imply that exposure to LA exerts inhibitory effects on the proliferation of various cancer cell lines. It demonstrates dose- and time-dependent cytotoxic actions, initiating an anti-cancer mechanism by diminishing mitochondrial membrane potential in specific cells. In certain colon cancer models, LA, at concentrations of 30 and 50 µg/mL, led to a decrease in epidermal growth factor receptor (EGFR) levels within lipid rafts, thereby inducing apoptosis. The role of EGFR signaling in the survival and progression of cancer cells is critical.
Virgin coconut oil is endowed with natural bioactive compounds like ferulic acid, gallic acid, rutin, caffeic acid, and quercetin, which can counteract the severe adverse effects of chemotherapy. In a study involving rats, VCO was assessed for its ability to mitigate immunosuppression linked to doxorubicin (DOX) chemotherapy, specifically examining its influence on CD4+ and CD8+ cells. The administration of DOX suppressed lymphocyte proliferation, reduced phagocytic activity, and impaired macrophage function. VCO also showed promise in improving markers of neurotoxicity and diminishing DOX-induced damage to the liver and heart, evidenced by reduced enzyme levels and creatine kinase-MB in the rats. Hot-processed VCO (HPVCO) exhibited superior antioxidant capacity compared to fermentation-processed VCO (FPVCO) in several laboratory tests. A comparative study revealed that both HPVCO and FPVCO could alleviate nephrotoxicity, a significant side effect of cisplatin (CP), a prominent anticancer agent.
Similar positive effects were observed against cyclophosphamide (CYP)-induced hepatorenal toxicity, where daily oral VCO administration over 20 days mitigated lipid peroxidation, hematological changes, oxidative stress, and hepatorenal dysfunction. One study also indicated that VCO supplementation improved the life quality of breast cancer patients. However, compelling human clinical evidence supporting the anti-cancer and anti-toxicity effects of VCO remains scarce. The precise impact of lauric acid on organ-specific chemotherapy side effects is yet to be fully understood. Nevertheless, a single animal study combining glucose and LA orally demonstrated an improvement in cancer-induced myocardial damage in a mouse model, addressing cancer cachexia—a critical adverse effect characterized by weight and muscle loss.
This comprehensive analysis indicates that virgin coconut oil and lauric acid possess anti-cancer properties and can enhance the effectiveness of conventional chemotherapeutic agents. The current body of evidence predominantly focuses on preclinical mechanisms and efficacy, with limited safety evaluations. The majority of findings are derived from cellular and animal experiments, with human data being notably sparse. Moving forward, future investigations must adhere to rigorous safety protocols for food-derived nanomaterials. Such assessments are crucial to ensure the secure and effective integration of VCO/LA-based nanoformulations into functional foods and therapeutic applications.