How to Lose Weight: A Complete Scientific Guide to Healthy and Sustainable Weight Loss (Part 1)

Weight loss is one of the most searched topics on the internet and a popular New Year’s resolution worldwide. Yet, with so much conflicting advice, fad diets, and misinformation, it’s easy to feel overwhelmed. In this article, we’ll break down the science of weight loss, debunk common myths, and provide actionable steps to help you achieve your goals in a healthy and sustainable way. Whether you’re looking to shed a few pounds or completely transform your lifestyle, this guide has you covered.

At its core, weight loss is a simple equation: calories in versus calories out. Think of your body as a calorie bank. The calories you consume through food and drinks are deposits, while the calories you burn through daily activities and exercise are withdrawals. To lose weight, you need to create a calorie deficit—burning more calories than you consume.

Even at rest, your body burns calories to maintain basic functions like breathing, digestion, and circulation. This is known as your Basal Metabolic Rate (BMR), which varies based on factors like age, weight, height, and muscle mass. For example, a 28-year-old man weighing 80 kg and standing 186 cm tall has a BMR of approximately 1,828 calories per day. This means he burns 1,828 calories daily without any physical activity.

Tracking your BMR is key to managing weight and overall health. A smart body scale helps monitor body fat, muscle mass, and metabolism, giving you a clearer picture beyond just weight. With accurate data, you can set better fitness goals and adjust your lifestyle effectively. Invest in a reliable body scale and take control of your health today!

Thermic Effect of Food (TEF): Burn Calories While Eating

Did you know that eating certain foods can actually help you burn calories? This is due to the Thermic Effect of Food (TEF), the energy your body uses to digest, absorb, and store nutrients. Protein-rich foods like eggs, dairy, and high-fiber vegetables have a higher TEF, meaning your body burns more calories processing them. For instance, digesting 100 calories of protein burns about 30 calories, leaving your body with only 70 net calories.

While creating a calorie deficit is essential, healthy weight loss requires a holistic approach. Here are the four key pillars:

1. Diet Control: Quality Over Quantity

Not all calories are created equal. Focus on nutrient-dense, whole foods that keep you full and energized. Here’s what to include:

  • Complex Carbohydrates: Whole grains like oats, barley, and millet, as well as legumes like lentils and chickpeas.

  • Proteins: Eggs, lean meats, soy, and dairy products like curd and paneer.

  • Healthy Fats: Nuts, seeds, olive oil, and flaxseed oil.

  • Fruits and Vegetables: High-fiber options like spinach, broccoli, and berries.

Avoid:

  • Refined Carbohydrates: White flour, sugary snacks, and processed foods.

  • Added Sugars: Found in cold drinks, candies, and packaged juices.

  • Trans Fats: Present in fried foods, packaged snacks, and baked goods.

2. Exercise: Move Your Body

Exercise not only burns calories but also improves overall health. Incorporate these three types of exercises:

  • Cardio: Running, swimming, or cycling to boost cardiovascular fitness.

  • Strength Training: Weightlifting, push-ups, and squats to build muscle and increase metabolism.

  • Stretching: Yoga or Surya Namaskar to improve flexibility and reduce stress.

3. Sleep: The Unsung Hero

Poor sleep disrupts hormones that regulate hunger and metabolism, increasing cravings and slowing calorie burn, which can lead to weight gain. One effective way to improve sleep quality is by ensuring adequate magnesium intake. Magnesium plays a crucial role in relaxation, reducing stress, and supporting deep, restorative sleep. Many people are deficient in this essential mineral, which can contribute to insomnia and restless nights.

Taking a magnesium supplement before bed can help calm the nervous system, promote muscle relaxation, and enhance sleep quality, ultimately supporting your weight loss journey. For best results, choose a high-quality magnesium supplement and pair it with a consistent sleep schedule. Prioritizing sleep and proper nutrition will help you maintain a healthy metabolism and achieve your fitness goals more effectively.

4. Stress Management: Keep Cortisol in Check

Chronic stress elevates cortisol levels, which can slow metabolism, increase fat storage, and trigger cravings for sugary, fatty foods. Over time, this can make weight management more challenging. While lifestyle changes like meditation, socializing, and engaging in hobbies help reduce stress, sometimes additional support is needed to keep cortisol levels in balance.

A Balanced Cortisol supplement can support a healthy stress response by promoting relaxation and regulating cortisol production. Formulated with adaptogens and key nutrients, these supplements help reduce the negative effects of stress on metabolism and appetite. Pairing a Balanced Cortisol supplement with stress-management techniques can improve overall well-being, stabilize energy levels, and support a healthier body composition.

Sustainable weight loss isn’t about quick fixes or extreme restrictions—it’s about making consistent, healthy choices that support your body and lifestyle. By focusing on balanced nutrition, regular exercise, quality sleep, and stress management, you can achieve lasting results. Remember, progress takes time, and small, daily improvements lead to significant long-term changes. Stay patient, stay committed, and enjoy the journey to a healthier you!

References :

  1. Mifflin, M. D., et al. (1990). “A new predictive equation for resting energy expenditure in healthy individuals.”. The American Journal of Clinical Nutrition.

  2. Westerterp, K. R. (2004). “Diet induced thermogenesis.” Nutrition & Metabolism.

  3. Mozaffarian, D., et al. (2011). “Changes in diet and lifestyle and long-term weight gain in women and men.” The New England Journal of Medicine.