AI is rapidly being adopted across industries, with many believing it can replace human expertise in knowledge-based tasks. Some even rely on tools like ChatGPT for medical advice. To test this, a diet plan was generated for a 50-year-old man with diabetes and high cholesterol. The AI produced a structured, regionally relevant plan with sound principles like calorie control, low-GI foods, and portion management. However, the advice remained generic, lacking personalization, variety, and real-life adaptability. It also required medical review. In contrast, a dietitian offers tailored guidance, deeper analysis, ongoing support, and accountability making their role far more effective for long-term health management.
AI is the newest technological advancement that every industry is adapting to. The general notion on the internet seems to be that AI can do any knowledge-based work that a person can do, but faster. AI Influencers are encouraging everyone to develop an “AI- Habit” or they’ll get left behind. People are talking to ChatGPT instead of seeing a doctor or a therapist, believing its advice to be just as good. But is this really true? We decided to put it to the test.
To test if the AI can understand the importance of context, we created a specific patient profile and asked ChatGPT to generate a diet plan.
Prompt – Create a comprehensive diet plan for a 50-year-old man (85 kgs, 5’8″ tall), who has diabetes and high cholesterol. The diet should focus on weight loss. The food in the diet plan should be easy to prepare and should use local ingredients found in South India.
This was the AI’s advice:
“Here’s a comprehensive 7-day diet plan tailored for a 50-year-old South Indian man managing diabetes and high cholesterol, aiming for weight loss.
Here are the key principles behind this plan and some important guide to go along with it:
Why these foods work for his condition – Millets like ragi, kuthiraivali, thinai, and kambu have a low glycemic index and are traditional South Indian staples they keep blood sugar from spiking, unlike polished white rice. Red/matta rice is a much better swap than white rice if he can’t give up rice entirely. Bitter gourd, fenugreek, and amla are all clinically supported for blood sugar management and are easily available locally. For cholesterol, the focus is on whole legumes, and seeds like flaxseed and sesame, while keeping saturated fats from coconut and oil tightly controlled.
Portion control is the key driver of weight loss. At 85 kg and 5’8″, his BMI is around 28.8 (overweight). The 1,600–1,800 kcal target should create a modest deficit. The most critical habits are reducing rice portions to ¾ cup cooked per meal (not a full plate), avoiding second servings, and replacing evening fried snacks with the options shown above.
Foods to strictly avoid – White rice in large portions, maida-based items (parottas, white bread, biscuits), sugar in tea/coffee, packaged juices, fried snacks like murukku or mixture, full-fat dairy, and red meat. Coconut should be used sparingly a small amount is fine but not large quantities.
A note on medical supervision – This plan is a general dietary framework and should be reviewed by his doctor or a registered dietitian, especially since he is on medication for diabetes and/or cholesterol. Blood sugar and lipid levels should be monitored regularly so the diet can be fine-tuned based on his actual response.”
The AI generated diet plan gets the broad strokes right. It has correctly identified the key concerns and set out the right strategies to address the problems. It has identified nutritious regional ingredients to include in the diet and kept the patient’s vegetarian preferences in mind. However, the advice it has compiled is quite general. The diet plan does not cover deeper analysis about the micronutrient profile or provide insight into how to incorporate variety. The plan doesn’t factor in what happens when the patient’s routine is disrupted, like if they go on vacation or to a party. It also comes with an important disclaimer – This plan should be reviewed and fleshed out by a medical professional.
A registered dietitian takes this plan to the next level. The dietician would take this framework and elaborate on substitutions you can make to each item for variety. When you’re on a diet, having options is very important because when you get tired of eating the same thing every day you have higher chances of quitting. They would also ask more questions about your medical history, allergies, habits, daily routine and physical activity level. These are important details that help create a better diet plan for the patient. A key benefit of consulting a dietitian is the follow-up care. The dietitian can help solve practical problems that stop you from sticking to the diet and monitor your progress as you go. They can step in when the diet is not working and modify it within safe limits, in consultation with your other doctors. The dietitian also keeps the patient accountable and motivates them to stick to your program.
While AI can be a useful starting point for general nutrition advice, achieving lasting health outcomes requires expert guidance tailored to your unique needs. At Kauvery Hospital, our experienced dietitians and clinical nutrition specialists provide personalized diet plans and ongoing support to help you manage chronic conditions and improve your overall well-being. Visit our branches in Chennai, Hosur, Salem, Tirunelveli, and Trichy to receive comprehensive, evidence-based nutritional care.
AI can generate diet plans based on the information you provide, but it may not fully account for your complete medical history, medications, food preferences, allergies, lifestyle, or changing health needs. A registered dietitian provides personalised recommendations based on a comprehensive assessment.
AI-generated diet plans can serve as general guidance, but they should not replace professional medical or nutritional advice, especially for people with diabetes, heart disease, kidney disease, pregnancy, or other chronic conditions.
For more relevant suggestions, include details such as your age, height, weight, activity level, dietary preferences, medical conditions, medications, allergies, and health goals. However, the recommendations should still be reviewed by a qualified healthcare professional.
Yes. AI can quickly generate meal ideas, shopping lists, healthy recipe suggestions, and portion guidance. However, long-term success often requires regular adjustments and practical support that a dietitian can provide.
AI can suggest changes based on information you enter, but it cannot assess physical signs, interpret subtle clinical changes, or coordinate with your healthcare team the way a registered dietitian can during follow-up consultations.
AI may produce nutritionally sound plans, but they are often generic and may not consider cultural preferences, eating habits, food availability, budget, emotional eating patterns, or changing medical conditions unless specifically instructed.
You should consult a registered dietitian if you have chronic medical conditions, complex nutritional needs, unexplained weight changes, food allergies, digestive disorders, pregnancy, or if you need long-term support and personalised nutrition counselling.
Kauvery Hospital is globally known for its multidisciplinary services at all its Centers of Excellence, and for its comprehensive, Avant-Grade technology, especially in diagnostics and remedial care in heart diseases, transplantation, vascular and neurosciences medicine. Located in the heart of Trichy (Tennur, Royal Road and Alexandria Road (Cantonment), Chennai (Alwarpet, Radial Road & Vadapalani), Hosur, Salem, Tirunelveli and Bengaluru, the hospital also renders adult and paediatric trauma care.
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