How to Increase Your Metabolism: Science-Backed Strategies
Learn evidence-based methods that may help support a healthy metabolism including exercise, nutrition timing, muscle building, sleep, and thermogenic supplements.
Disclosure: Some of the links in this article are affiliate links, which means we may earn a commission if you make a purchase through them — at no additional cost to you. We only recommend products we genuinely believe in. See our full affiliate disclosure.
Mattias started Praana with a simple goal: make wellness information clearer, more honest, and easier to apply in everyday life. He researches emerging health tools, biohacking strategies, and performance practices—translating complex science into practical guidance people can actually use.
Metabolism refers to all the chemical processes your body uses to convert food into energy. Your metabolic rate determines how many calories you burn at rest and during activity, and it plays a central role in weight management. While genetics and age certainly influence metabolism, research suggests that there are practical, evidence-based strategies that may help support a healthier metabolic rate.
Contrary to popular belief, metabolism is not a fixed trait. Your daily habits around exercise, nutrition, sleep, and stress can all influence how efficiently your body burns calories. This guide covers the most effective approaches backed by science.
Understanding Your Metabolism
Your total daily energy expenditure (TDEE) is made up of three components. Basal metabolic rate (BMR) accounts for 60 to 70 percent and represents the calories your body burns at complete rest to maintain vital functions. The thermic effect of food (TEF) accounts for about 10 percent and represents the energy used to digest, absorb, and process nutrients. Physical activity, both exercise and non-exercise activity, accounts for 20 to 30 percent.
Since BMR makes up the majority of calorie burn, strategies that influence resting metabolism tend to have the greatest long-term impact.
Step 1: Build and Maintain Muscle Mass
Muscle tissue is more metabolically active than fat tissue, meaning it burns more calories at rest. Research suggests that each pound of muscle may burn approximately 6 to 7 calories per day at rest compared to about 2 calories per pound of fat. While this difference may seem small per pound, the cumulative effect of adding 10 to 15 pounds of muscle can be significant.
Engage in resistance training 2 to 4 times per week, focusing on compound movements like squats, deadlifts, bench presses, and rows. Ensure you are consuming adequate protein to support muscle growth, typically 0.7 to 1 gram per pound of body weight daily. Progressive overload, gradually increasing the weight or resistance, is essential for ongoing muscle development.
Step 2: Eat Enough Protein
Protein has the highest thermic effect of any macronutrient. Research suggests that your body uses 20 to 30 percent of the calories from protein just for digestion and processing, compared to 5 to 10 percent for carbohydrates and 0 to 3 percent for fat. This means that simply eating more protein may help increase your total calorie burn.
Beyond TEF, adequate protein intake helps preserve muscle mass, especially during weight loss. Aim for a source of protein at every meal, including options like eggs, lean meats, fish, Greek yogurt, legumes, tofu, and protein supplements as needed.
Step 3: Do Not Drastically Cut Calories
One of the most counterproductive things for metabolism is severely restricting calories. Research on what is known as "adaptive thermogenesis" shows that when calorie intake drops too low for too long, the body may reduce metabolic rate as a survival mechanism. This is often why extreme diets lead to weight regain.
Instead of drastic cuts, aim for a moderate calorie deficit of 300 to 500 calories below your TDEE if weight loss is your goal. This approach may help preserve metabolic rate while still promoting fat loss. Cycling between periods of moderate deficit and maintenance calories may also help prevent metabolic adaptation.
Step 4: Stay Active Throughout the Day
Non-exercise activity thermogenesis (NEAT) includes all the calories you burn through daily movement outside of formal exercise, such as walking, standing, fidgeting, cooking, and cleaning. Research suggests that NEAT can vary by up to 2,000 calories per day between individuals and may be one of the most underappreciated factors in metabolism.
Take walking breaks every 30 to 60 minutes if you have a sedentary job. Use a standing desk for portions of the day. Take the stairs instead of the elevator. Walk or bike for short errands. Even small increases in daily movement may add up to significant metabolic benefits over time.
Step 5: Prioritize Sleep
Sleep deprivation may negatively affect metabolism in multiple ways. Research suggests that insufficient sleep can reduce insulin sensitivity, increase hunger hormones (ghrelin), decrease satiety hormones (leptin), and raise cortisol levels. All of these changes may contribute to a slower metabolic rate and increased fat storage.
Aim for 7 to 9 hours of quality sleep per night. A consistent sleep schedule, cool sleep environment, and limited screen exposure before bed may all help optimize sleep quality and its metabolic benefits.
Step 6: Try Evidence-Based Thermogenics
Several natural compounds have been studied for their potential to mildly increase metabolic rate.
Green Tea and EGCG
Green tea contains both caffeine and epigallocatechin gallate (EGCG), which research suggests may help mildly increase calorie burn and fat oxidation. Drinking 3 to 5 cups of green tea daily or supplementing with green tea extract may provide a modest metabolic boost.
Caffeine
Caffeine is one of the most studied thermogenic compounds. Research suggests it may temporarily increase metabolic rate by 3 to 11 percent. Coffee, tea, and pre-workout supplements are common sources. However, tolerance develops with regular use.
Capsaicin
The compound that gives chili peppers their heat, capsaicin, has been studied for its potential to increase thermogenesis and fat oxidation. Adding spicy foods to your diet or using cayenne pepper supplements may provide a mild metabolic benefit.
Final Thoughts
Increasing your metabolism is less about quick fixes and more about building sustainable habits that support your body's energy systems. Building muscle, eating adequate protein, staying active throughout the day, sleeping well, and avoiding extreme calorie restriction form the foundation. Combine these habits with patience and consistency, and you may notice meaningful improvements in your energy levels, body composition, and overall vitality.
Medical Disclaimer: The content on Praana Health is for informational and educational purposes only. It is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.
*These statements have not been evaluated by the Food and Drug Administration. Products discussed are not intended to diagnose, treat, cure, or prevent any disease.
Food as Medicine Guide for a comprehensive overview