Ramadan Fasting Linked to Metabolic, Immune, and Cellular Health Benefits, Study Finds
A 2026 systematic review led by Rudi Ruhdiat from the Faculty of Medicine at President University, Jababeka Cikarang, Indonesia, highlights how Ramadan intermittent fasting delivers measurable physiological and clinical health benefits. Published in Jurnal Multidisiplin Madani (MUDIMA), the study synthesizes global research findings and shows that fasting during Ramadan improves metabolic health, reduces inflammation, and activates the body’s natural healing systems—making it increasingly relevant for modern preventive medicine.
Fasting Gains Scientific Attention Beyond Religion
Fasting during Ramadan is a central practice in Islam, observed by millions worldwide. From dawn to sunset, adult Muslims abstain from food, drink, and other physical needs. While rooted in spiritual discipline, this pattern of eating—known as Ramadan Diurnal Intermittent Fasting (RDIF)—has drawn growing attention from scientists studying its health effects.
Recent global health trends, including rising rates of diabetes, cardiovascular disease, and metabolic syndrome, have intensified interest in lifestyle-based interventions. Intermittent fasting, including Ramadan fasting, is now being explored as a practical and low-cost strategy to improve public health outcomes.
Rudi Ruhdiat explains that fasting is not only a religious act but also interacts with the body’s natural systems, including metabolism, immunity, and cellular repair.
How the Study Was Conducted
The research uses a systematic literature review approach following international PRISMA guidelines. This method allows researchers to evaluate and synthesize findings from multiple scientific studies.
Key steps in the study include:
- Screening 1,324 scientific articles from major databases such as PubMed, Scopus, Web of Science, and Google Scholar
- Removing duplicate and irrelevant studies
- Analyzing 20 high-quality studies that met strict inclusion criteria
- Focusing on human populations observing Ramadan fasting between 2015 and 2025
The selected studies examined a range of health indicators, including metabolic markers, inflammation levels, immune responses, and oxidative stress.
Key Findings: Five Major Health Mechanisms
The review identifies consistent biological effects of Ramadan fasting across different populations. These effects support the body’s overall healing system through five major mechanisms:
Together, these mechanisms demonstrate how Ramadan fasting supports both physical and mental health.
Clinical Insights: Benefits and Cautions
The study also highlights clinical implications, especially for individuals with chronic conditions.
For patients with diabetes, structured nutrition education and updated clinical guidelines—such as the 2025 ADA/EASD recommendations—can significantly reduce cardiometabolic risks during fasting.
Other notable findings include:
- Changes in gut microbiome composition during fasting
- Improved cardiovascular indicators such as blood pressure and cholesterol
- Potential improvement in inflammatory skin conditions like acne
- Specific considerations for patients with chronic kidney disease, requiring careful hydration and monitoring
Rudi Ruhdiat emphasizes that while fasting offers broad health benefits, high-risk individuals need personalized medical guidance.
Why This Matters for Public Health
The findings position Ramadan fasting as more than a religious observance—it is a holistic lifestyle intervention with measurable health benefits.
Its advantages include:
- Low-cost and accessible health strategy
- Alignment with natural biological rhythms
- Integration of physical, mental, and spiritual well-being
In a world facing increasing healthcare costs and chronic disease burdens, such approaches offer scalable solutions, particularly in Muslim-majority populations.
The study also reinforces the idea that traditional practices can complement modern medical science when evaluated through rigorous research.
Academic Insight
Rudi Ruhdiat of President University notes that Ramadan fasting activates multiple biological pathways simultaneously, including metabolic adaptation, immune modulation, and cellular repair. This integrated response strengthens the body’s natural healing system and supports disease prevention.
Author Profile
- Rudi Ruhdiat, M.D. – Researcher and academic at the Faculty of Medicine, President University, Jababeka Cikarang, Indonesia. His expertise focuses on clinical medicine, metabolic health, and lifestyle-based interventions, particularly fasting and its physiological effects.
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