Aug 30, 2026 Understanding the Science of Sustainable Weight Loss
Have you ever counted calories before? What’s one small change you’d like to make in how you eat? Today, Jay invites geneticist and author Giles Yeo to challenge one of the most persistent beliefs in modern health culture: the idea that all calories are created equal. Giles is a professor at the University of Cambridge, specializing in the study of how genes influence appetite and body weight. He is the author of Gene Eating and Why Calories Don’t Count, both of which challenge conventional diet myths through the lens of cutting-edge science. Giles is also a science communicator and host of the podcast Dr. Giles Yeo Chews the Fat, where he breaks down complex nutritional concepts with clarity and humor. Jay begins by asking the question on everyone’s mind—do calories really count? Giles, with a calm and science-grounded approach, unpacks why the answer isn’t so simple. While calorie counting has become a cornerstone of dieting, he explains that the way our bodies extract and process calories depends heavily on the quality of the food, not just the number printed on a label. Giles shares how our genetic makeup influences hunger, satiety, and fat storage in ways that most diet plans fail to consider. Jay and Giles explore the emotional and social layers of eating, diving into how cultural conditioning, access to healthy food, and even marketing affect our food choices. They also examine why it's harder for some people to lose weight than others—not because of laziness or lack of willpower, but because their biology is wired differently. Giles challenges the shame-based narratives around body weight and reframes the discussion around health, sustainability, and self-awareness. In this interview, you'll learn: How to Eat for Quality, Not Just Calories How to Read Food Labels the Right Way How to Choose Protein, Fiber, and Sugar Wisely How to Spot Diet Myths That Don’t Serve You How to Lose Weight Without Obsessing Over Numbers How to Understand Your Body’s Unique Metabolism How to Manage Cravings with a Plan, Not Willpower You don’t need to follow a strict diet or obsess over every calorie to feel better in your body. Instead, focus on nourishing yourself with real, quality foods, making small sustainable changes, and understanding how your unique biology works. With Love and Gratitude, Jay Shetty Join over 750,000 people to receive my most transformative wisdom directly in your inbox every single week with my free newsletter. Subscribe here. What We Discuss: 00:00 Intro 02:54 Do Calories Actually Matter? 03:33 Why Protein Makes Your Body Work Harder 05:12 Are You Eating More Than You Think? 07:05 Why Food Quality Matters More Than Quantity 07:56 How Processing Increases Calorie Absorption 11:04 What Really Makes Food Healthy? 12:00 When Did Obesity Become a Global Crisis? 12:52 How Fast Food Became the Default 15:05 The Real Impact of Unhealthy Weight Gain 17:45 The Macronutrients You’re Missing Out On 20:08 Are You Absorbing the Nutrients You Eat? 22:58 How Cutting Ultra-Processed Foods Affects Weight 24:59 Does Better Flavor Mean More Nutrition? 26:32 Why We Process Calories Differently 29:45 Can You Actually Target Belly Fat? 30:54 How Genetics Influence Your Body Shape 32:06 Are You Limited by Your Genes? 34:55 How to Adjust Your Diet for Real Change 38:14 The Smart Way to Read a Nutrition Label 40:53 Fried vs. Baked: What's the Healthier Option? 41:51 What Is 'Incidental Virtuous Food'? 44:52 Is Orange Juice as Healthy as You Think? 47:32 How Food Labels Can Be Misleading 49:24 The Truth About Protein Bars 51:07 3 Things to Focus on When Reading Labels 52:45 The Hidden Ingredients to Watch For 55:56 Why Weight Is About Biology, Not Willpower 58:39 Do You Really Lack Willpower? 59:11 How to Outsmart Your Cravings 01:01:29 Why “Out of Sight, Out of Mind” Works 01:04:06 Do Not Neglect Your Health as You Age 01:07:12 What You Need to Know About Appetite-Suppressing Drugs 01:11:02 The Hidden Risks of Weight Loss Medications 01:12:33 2 Truths Everyone Should Know About Healthy Eating 01:13:58 Start With This: Protein, Fiber, and Sugar 01:15:55 Giles on Final Five Episode Resources: https://www.instagram.com/gilesyeo https://www.facebook.com/giles.yeo/ https://www.linkedin.com/in/giles-yeo-2062969/ https://x.com/gilesyeo https://www.instagram.com/jayshetty https://www.facebook.com/jayshetty/ https://x.com/jayshetty https://www.linkedin.com/in/shettyjay/ https://www.youtube.com/@JayShettyPodcast http://jayshetty.me
Many people mistakenly believe that simply taking a supplement is enough. However, the most successful weight management strategies involve integrating nutrition, activity, and targeted supplements. We have curated the top 5 weight loss products in India to cover various metabolic needs, ensuring you approach your weight loss goals from multiple angles—be it boosting digestion, managing blood sugar, or supporting muscle mass.
The Five Pillars of Weight Management Supplements
To provide a comprehensive picture, we have categorized the top 5 weight loss products in India into five functional groups, ensuring that whether your primary struggle is bloating, sluggish metabolism, or poor appetite control, there is a perfect solution waiting for you.
1. Ayurvedic Metabolism Boosters (The Traditional Approach)
Ayurveda, the ancient Indian science of life, offers remedies that focus on balancing the body's doshas. When used for weight loss, these products aim not just to burn fat, but to correct underlying imbalances.
Key Ingredients and Function:
- Guggul: This resin is highly regarded for its anti-inflammatory properties and its ability to boost metabolism. It is traditionally used to manage joint pain and metabolic disorders associated with weight gain.
- Triphala: A blend of three fruits (Amalaki, Bibhitaki, and Haritaki), Triphala is a powerful natural laxative. Its primary role in weight loss is promoting gut regularity, which is crucial because a healthy gut biome is intrinsically linked to weight management and nutrient absorption.
- Ashwagandha: Often used as an adaptogen, Ashwagandha helps the body manage stress. Since chronic stress elevates cortisol, which promotes abdominal fat storage, incorporating Ashwagandha is key to tackling stress-related weight gain.
Why it works: This blend addresses the root causes of weight gain—inflammation and digestive sluggishness—providing a deeply rooted, holistic approach that is highly favored in the Indian context.
2. Green Tea and EGCG Supplements (The Thermogenic Powerhouse)
Green tea is one of the most researched natural weight loss aids globally. Its active compounds are potent metabolism boosters.
Key Ingredients and Function:
- Epigallocatechin Gallate (EGCG): This is the primary catechin found in green tea. EGCG is a powerful antioxidant that has been shown to enhance the body's ability to burn fat. It works by increasing the rate of thermogenesis—the body's natural process of generating heat—thereby boosting the metabolic expenditure.
- Caffeine: Included in many green tea supplements, caffeine provides an immediate, noticeable energy boost that can suppress appetite and improve overall physical performance, which is vital for burning more calories.
Why it works: This category provides a direct, scientifically measurable boost to your metabolism. For those who are physically active or struggle with sluggish energy levels, the combination of EGCG and caffeine makes this a potent choice among the top 5 weight loss products in India.
3. Fiber and Gut Health Supplements (The Bloat Fighters)
Often overlooked, the digestive system is central to weight management. Poor gut health can lead to inflammation and difficulty absorbing nutrients, leading to weight gain.
Key Ingredients and Function:
- Psyllium Husk: This is a highly soluble fiber that acts as a bulking agent. When consumed, it absorbs water in the digestive tract, creating a feeling of fullness (satiety). This is incredibly effective for managing appetite and reducing the overall caloric intake throughout the day.
- Prebiotics (e.g., Fructans): These are types of fiber that feed beneficial gut bacteria. A strong, diverse gut microbiome is correlated with a healthier weight and better metabolic function.
Why it works: By focusing on gut health, these supplements tackle the physical discomforts of weight loss—bloating, constipation, and constant hunger—making them critical components of any successful weight loss regimen.
4. Protein and Muscle Support Supplements (The Retention Crew)
Weight loss means losing weight, but ideally, you want to lose fat, not muscle. As we age or lose weight, preserving lean muscle mass is paramount for maintaining a high basal metabolic rate (BMR).
Key Ingredients and Function:
- Whey Protein Isolate: This is a fast-digesting, complete protein source. Protein has the highest thermic effect of food (TEF), meaning your body burns more calories simply digesting it compared to fats or carbohydrates.
- BCAAs (Branched-Chain Amino Acids): These are essential amino acids (Leucine, Isoleucine, Valine) that are crucial for muscle repair and synthesis. They help prevent muscle breakdown, especially when combined with a caloric deficit.
Why it works: These supplements are not just about filling you up; they are about actively supporting the physiological machinery of your body. By ensuring adequate protein intake, you signal to your body that it needs to retain muscle, which keeps your metabolism higher for longer.
5. Multivitamins and Detoxifiers (The Holistic Foundation)
Sometimes, weight gain is a symptom of nutrient deficiencies or poor overall bodily function. This category represents the supportive, comprehensive approach.
Key Ingredients and Function:
- Vitamin D: Deficiency in Vitamin D has been linked to metabolic syndrome and weight gain. Supplementation is often recommended to optimize overall metabolic function.
- B-Vitamins (B1, B2, B12): B vitamins are vital for energy metabolism. They help convert food into usable energy, making them indispensable for combating fatigue and boosting energy levels required for intense weight loss efforts.
- Electrolytes: When you start a diet or supplement routine, you risk mineral imbalances. Electrolyte supplements ensure that your body is functioning optimally, supporting hydration and energy.
Why it works: This category acts as the nutritional safety net. It ensures that the rigorous demands of weight loss—which often means dietary restrictions—do not lead to secondary deficiencies that undermine the entire effort.
