Intermittent Fasting: What the Research Actually Shows in 2026
Intermittent fasting has exploded in popularity, but what does the clinical evidence actually show? Here is a doctor and dietitian...
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Dr. Geetanjli Tiwari
Nutrition Reviewer
Registered Dietitian, Clinical Nutrition Specialist
Dr. Geetanjli Tiwari is a registered dietitian with specialized training in clinical nutrition. She has worked with patients managing diabetes, PCOS, thyroid disorders, and obesity through evidence-based nutritional interventions.
On MasterDoctor, she reviews all content about diet, food claims, supplements, and nutritional therapy to ensure recommendations are grounded in clinical evidence rather than social media trends.
Articles authored by Dr. Geetanjli Tiwari
Ashwagandha: What 47 Clinical Trials Actually Show About This Adaptogen
Ashwagandha is one of the most studied Ayurvedic herbs, with over 47 published randomized trials. Here is what the evidence...
Vitamin B12 Deficiency in India: Why 47 Percent of Indians Are Affected (2026 Guide)
B12 deficiency affects nearly half of all Indians, with far reaching consequences from fatigue to neuropathy to cognitive decline. Here...
PCOS and Insulin Resistance: The Hidden Link Affecting 80 Percent of Indian Women with PCOS
70 to 80 percent of women with PCOS have insulin resistance. Understanding this metabolic link is the key to managing...