For decades, sweet potatoes in India were relegated to the status of a “street food snack,” usually roasted over coal and served as a spicy-tangy chaat during winter evenings. However, Dr. Shubham Vatsya’s recent medical insights have elevated Shakarkandi from a seasonal treat to an essential medical superfood. According to Dr. Vatsya, this tuber is a “blessing” for those battling modern lifestyle diseases.
1. The Gastroenterologist’s Case: Gut Health First
As a specialist in digestive health, Dr. Vatsya emphasizes that the foundation of overall wellness starts in the gut. Sweet potatoes are uniquely designed by nature to support this.
Feeding the Microbiome
- Complex Carbs & Fiber: Unlike refined flours, sweet potatoes contain complex carbohydrates and high fiber content (about 4g per 100g). These act as prebiotics, essentially “fuel” for the good bacteria in your gut.
- The Butyrate Connection: Dr. Vatsya explains that when gut bacteria ferment the fiber in sweet potatoes, they produce short-chain fatty acids, specifically butyrate. This compound is critical for strengthening the gut lining and reducing systemic inflammation.
Resistant Starch: The Blood Sugar Stabilizer
One of the most significant medical benefits highlighted is the presence of resistant starch. This type of starch resists digestion in the small intestine, leading to:
- Slower Glucose Release: It reduces blood sugar spikes by 20% to 30%.
- Improved Insulin Sensitivity: This makes it a safer, and even beneficial, carbohydrate option for those managing Type 2 diabetes when eaten in moderation.
2. A Shield for the Heart: Potassium and Fiber
Cardiovascular health is a primary concern in 2026, with heart disease affecting younger Indians more than ever. The sweet potato offers a two-pronged defense.
- Managing Hypertension: Sweet potatoes are exceptionally rich in potassium. Potassium helps the body excrete excess sodium and eases the tension in blood vessel walls, directly helping to lower blood pressure.
- Cholesterol Management: The soluble fiber in shakarkandi binds to cholesterol in the digestive system and drags it out of the body before it can enter the bloodstream, reducing the risk of plaque buildup in the arteries.
3. The “Eye Vitamin” Powerhouse
Dr. Vatsya specifically pointed out that sweet potatoes are one of the best natural sources of beta-carotene, which the body converts into Vitamin A.
Fighting Night Blindness
In children, Vitamin A deficiency is a leading cause of preventable blindness. Including sweet potato in a child’s diet can significantly improve night vision and protect the cornea.
Long-term Eye Defense
For adults, the antioxidants in sweet potatoes—specifically anthocyanins (found in purple varieties) and beta-carotene (in orange varieties)—protect eye cells from oxidative damage caused by blue light from screens and UV rays from the sun. This supports the prevention of age-related macular degeneration.
4. Nutritional Profile: What’s Inside 100g?
To understand why it’s a superfood, we must look at the density of nutrients compared to the humble white potato.
| Nutrient | Per 100g (Boiled) | Daily Value (DV) | Benefit |
| Vitamin A | ~700 mcg | >100% | Eye health, Immunity |
| Vitamin C | 12.8 mg | ~15% | Collagen, Skin repair |
| Potassium | 337 mg | ~10% | Heart health, Blood pressure |
| Manganese | 0.25 mg | ~12% | Bone health (esp. post-menopause) |
| Fiber | 3 – 4 g | ~15% | Digestion, Satiety |
5. Beyond the Gut: Bone and Skin Health
While heart and eye health are the headlines, the Fortis specialist also noted benefits that cater to specific demographics:
- Post-Menopausal Bone Health: The presence of manganese is vital for bone metabolism. For women in their 50s and 60s, sweet potato provides a natural mineral boost to maintain bone density.
- Skin Repair: The high concentration of Vitamin C and Vitamin E helps in the production of collagen, making the skin more resilient against aging and environmental pollutants.
6. How to Eat It: The “Gastro-Approved” Way
Dr. Vatsya’s advice is simple: Swap the junk for the tuber.
The “Shakarkandi over Golgappa” Rule
The doctor recommends choosing sweet potato chaat over traditional deep-fried snacks. A 100g serving keeps you full for longer, effectively killing sugar cravings that usually lead to unhealthy snacking in the evening.
Cooking Methods Matter
To get the most out of your superfood, how you cook it is essential:
- Boiling/Steaming: This keeps the Glycemic Index (GI) lowest and preserves the most antioxidants.
- Roasting: Enhances the flavor but can slightly increase the sugar concentration.
- Avoid Deep Frying: Making “sweet potato fries” in oil negates the heart-health benefits by adding trans fats and excessive calories.
7. Who Should Be Cautious?
Despite its “superfood” status, the medical advice comes with a few caveats:
- Kidney Health: Because they are high in oxalates, individuals with a history of calcium-oxalate kidney stones should limit their intake.
- Potassium Monitoring: Those with chronic kidney disease (CKD) who are on a potassium-restricted diet should consult their doctor.
8. The 2026 Wellness Shift: Local is Global
The endorsement by a leading Fortis Delhi doctor signals a larger shift in the Indian medical community. There is a move away from “imported” superfoods like kale or quinoa toward indigenous, affordable, and accessible options like Shakarkandi.
- Accessibility: At ₹40–₹60 per kg, it is one of the most cost-effective ways to get 100% of your daily Vitamin A.
- Sustainability: It requires less water than many other staple crops, making it a “green” superfood for the future.
Conclusion: The Superfood in Your Basket
Dr. Shubham Vatsya’s insight serves as a reminder that health doesn’t always come in a pill or an expensive supplement bottle. Sometimes, it’s found in a root vegetable that has been part of our culture for centuries. By supporting our gut microbiome, stabilizing our blood sugar, and providing the building blocks for heart and eye health, the sweet potato is truly the “quiet achiever” of the Indian kitchen.
The next time you walk past a shakarkandi vendor, remember: you’re not just looking at a snack; you’re looking at a medical-grade tool for longevity.
Executive Summary Checklist
- The Expert: Dr. Shubham Vatsya, Gastroenterologist, Fortis Delhi.
- Key Benefits: Heart health (Potassium), Eye health (Vitamin A/Beta-carotene), and Gut health (Fiber/Butyrate).
- Top Metric: 100g provides 4g of fiber and over 100% of daily Vitamin A.
- Medical Highlight: Resistant starch reduces blood sugar spikes by 20-30%.
- Best Practice: Choose boiled or roasted sweet potato over deep-fried snacks or high-carb street food.
