8 Signs Of a Slow Metabolism—And How to Fix It!

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Do you feel like no matter how much you diet or exercise, the scale just won’t budge? Or maybe you’re constantly fatigued, cold, and struggling to maintain energy throughout the day? These are just a few common signs of a slow metabolism!

Metabolism plays a crucial role in how your body processes food into energy. When your metabolism is sluggish, it can affect everything from weight management to your mood and energy levels. If you’re experiencing symptoms of a slow metabolism, the good news is that there are easy, effective ways to boost metabolism over time.

In this guide, we’ll walk you through the eight most common signs of a slow metabolism and how you can take action to rev up your metabolic rate to look and feel your best.

Key Slow Metabolism Takeaways

  • A slow metabolism can lead to weight gain, fatigue, and difficulty losing weight despite a healthy lifestyle.
  • Common signs include persistent fatigue, difficulty losing weight, low energy levels, cold intolerance, and digestive issues.
  • The best way to determine if you have a slow metabolism is through a Resting Metabolic Rate (RMR) test.
  • Strength training, a protein-rich diet, staying hydrated, and getting quality sleep can help boost a slow metabolism.
  • Addressing underlying health conditions such as thyroid issues and hormone imbalance can improve slow metabolism, especially as you age.

What is Metabolism and Resting Metabolic Rate?

Metabolism is the process by which your body converts food into energy to sustain vital functions such as breathing, circulation, and cell repair. It encompasses all chemical reactions that keep your body running efficiently.

Your Resting Metabolic Rate (RMR) is the number of calories your body burns while at rest to maintain these basic functions. Like, when you are sitting completely still just existing—how many calories do you need to fulfill basic functions?

The answer might surprise you! Everyone’s metabolism is different, and factors like age, muscle mass, and genetics influence how efficiently your body processes energy.

Do I Have a Slow Metabolism?

Understanding your metabolic rate is key to managing your health and achieving your fitness goals. If you feel like you gain weight easily, struggle with frequent fatigue and low energy levels, or find it nearly impossible to shed extra pounds despite dieting and exercise, you might have a slow metabolism.

Below are eight signs of slow metabolism and proven ways to boost metabolism to help you get back on track toward your weight loss goals!

woman stepping onto a scale wondering if she has a slow metabolism

8 Signs You Might Have a Slow Metabolism

1. Difficulty Losing Weight

Struggling to lose weight despite exercising regularly and eating a healthy diet? If your metabolism is slow, your body burns fewer calories at rest, making weight loss more challenging no matter how hard you’re working. This can be frustrating, especially if you’re following a calorie-controlled diet and an active lifestyle without seeing results. Additionally, a sluggish metabolism can lead to inefficient fat burning and lower overall energy expenditure throughout the day.

2. Persistent Fatigue and Low Energy

If you constantly feel tired, even after a full night’s sleep, your metabolism could be to blame. A sluggish metabolism means your body isn’t efficiently converting food into usable energy, leading to feelings of exhaustion and sluggishness. This can impact not only your physical activity levels but also your ability to focus and stay productive throughout the day. Low metabolism can also be linked to nutrient deficiencies, particularly in iron, B vitamins, and magnesium, which play crucial roles in energy production.

3. Always Feeling Cold

Do you frequently feel colder than those around you? Metabolism plays a key role in regulating body temperature by generating heat as it burns calories. When your metabolism slows down, your body produces less heat, which can leave you feeling unusually cold, especially in your hands and feet. This symptom is often linked to an underactive thyroid (hypothyroidism), which is a common cause of metabolic slowdown.

4. Digestive Issues

A slow metabolism can lead to poor digestion, bloating, constipation, and discomfort after eating. When your metabolism is sluggish, digestion also slows down, meaning food takes longer to move through your digestive tract. This can result in bloating, gas, and even nutrient malabsorption, which further affects energy levels and overall well-being.

5. Unexplained Weight Gain

If you’re gaining weight despite maintaining the same diet and exercise routine, your metabolism could be slowing down. A slow metabolism means your body is storing more calories as fat rather than burning them for energy. This can happen due to age-related metabolic decline, hormonal imbalances, or prolonged periods of dieting that cause the body to adapt by conserving energy.

6. Thinning Hair and Brittle Nails

Hair thinning, slow-growing nails, and dry skin can be signs of an under-active metabolism. When your metabolism slows down, your body conserves energy for essential functions, often at the expense of non-essential processes like hair and nail growth. Poor circulation due to a sluggish metabolism can also impact the delivery of nutrients to hair follicles and nail beds, leading to weakness and breakage.

7. Mood Swings and Brain Fog

A sluggish metabolism can lead to brain fog, trouble concentrating, and even mood swings due to inadequate energy production. When your body isn’t efficiently converting food into fuel, your brain also suffers from a lack of energy, affecting memory, focus, and overall cognitive function. Additionally, hormonal imbalances associated with a slow metabolism, such as fluctuations in cortisol and thyroid hormones, can contribute to mood instability.

8. Sugar Cravings and Constant Hunger

If you’re always hungry or craving sugar, it could be due to an inefficient metabolism struggling to regulate blood sugar levels. When your metabolism is slow, your body has a harder time maintaining stable glucose levels, leading to frequent cravings for quick energy sources like sweets and refined carbohydrates. This can create a cycle of blood sugar spikes and crashes, making it even harder to manage hunger and maintain a healthy diet.

6 Ways to Boost a Slow Metabolism

If you suspect your metabolism is slow, there are several proven ways to help rev it up. Implementing these strategies can enhance your body’s ability to burn calories efficiently, increase energy levels, and support overall metabolic health.

1. Get an RMR Metabolism Test (Resting Metabolic Rate)

One of the easiest ways to understand your metabolism is through a Resting Metabolic Rate (RMR) test. This test provides insight into how many calories your body burns at rest and helps tailor nutrition and fitness strategies to improve metabolism.

At BodymetRx Kansas City, we offer precise metabolism testing to help you identify whether your metabolism is slowing you down. If you’re in the Kansas City area, come visit us! Make an appointment today.

2. Build Lean Muscle with Strength Training

Muscle burns more calories than fat, even at rest. Studies show that incorporating resistance training into your routine can increase metabolic rate and help you burn more calories throughout the day. Aim for at least two to three strength training sessions per week, focusing on compound movements like squats, deadlifts, and push-ups to maximize muscle growth and calorie expenditure.

3. Prioritize Protein Intake

Eating protein-rich foods such as lean meats, eggs, dairy, and legumes can increase metabolism due to the thermic effect of food (TEF)—the energy required to digest and process nutrients. Protein also supports muscle maintenance and repair, which is essential for sustaining a higher metabolic rate. Aim to include protein with every meal to keep your metabolism active.

4. Stay Hydrated

Drinking enough water can temporarily boost your metabolism by up to 30% and help your body efficiently convert food into energy. Cold water may be particularly beneficial, as your body expends energy warming it up. Proper hydration also supports digestion, circulation, and overall metabolic function.

5. Get Quality Sleep

Lack of sleep disrupts hormones that regulate metabolism, leading to weight gain and energy imbalances. When you don’t get enough sleep, levels of ghrelin (the hunger hormone) increase, while leptin (the satiety hormone) decreases, leading to increased appetite and cravings. Aim for 7-9 hours of quality sleep per night to maintain metabolic balance and overall well-being.

6. Manage Stress Levels

Chronic stress increases cortisol, a hormone that can slow metabolism and promote fat storage, particularly around the midsection. Engaging in activities like yoga, meditation, and deep breathing can support metabolic function by reducing stress levels. Regular physical activity, social engagement, and hobbies can also help keep stress in check and promote overall well-being.

Quick-reference Table: Causes of Slow Metabolism & Solutions

Signs of Slow MetabolismHow to Fix It
Difficulty Losing WeightGet an RMR test to determine calorie needs; incorporate strength training and protein-rich foods.
Persistent Fatigue and Low EnergyEat nutrient-dense foods, stay hydrated, exercise regularly, and ensure adequate sleep.
Always Feeling ColdIncrease iodine intake through seafood, eggs, and dairy; consume warming foods.
Digestive IssuesEat fiber-rich foods, stay hydrated, and include probiotics in your diet.
Unexplained Weight GainEngage in strength training to build lean muscle mass; avoid prolonged restrictive dieting.
Thinning Hair and Brittle NailsEnsure sufficient intake of protein, biotin, iron, and omega-3 fatty acids.
Mood Swings and Brain FogEat a balanced diet with healthy fats; prioritize sleep and stress management.
Sugar Cravings and Constant HungerEat high-protein, fiber-rich meals; avoid excessive caffeine and processed sugars.

Take Control of Your Metabolism

If you suspect you have a slow metabolism, the best way to gain clarity is through metabolism testing in Kansas City. A Kansas City RMR test at BodymetRx can provide personalized insights to help you optimize your metabolism for better weight management and energy levels.

Contact BodymetRx Kansas City today to schedule your RMR metabolism test and take the first step toward a healthier metabolism!