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Taking Measurements in the Mirror - Yes, You Can Lose Weight After 40!

Yes, You Can Lose Weight After 40!

Science Based

Written by Amy Myers, MD

Trying to lose weight after 40 can be extremely challenging. Trust me, I know. It can seem as if you are doing everything possible to shed the pounds, yet you make little progress or none. I, too, have struggled with losing weight after 40.

The good news is you can lose weight after 40! Conventional medicine will tell you that weight gain after 40 is just a natural part of life. Not so! In functional medicine, we approach weight loss by getting to the root cause of why you are putting on the pounds. 

In this article, I’ll share my proven approach to losing weight after 40, the challenges to weight loss, and the steps you can take. It’s not about vanity. There are serious health consequences to excess weight. Let’s talk about why it’s so hard to lose weight after 40.

Why Is It So Hard to Lose Weight After 40?

Family obligations and other life situations slow your activity levels as you age. What’s more, your body fat increases, your metabolism slows down, and muscle mass declines in your 40s. As a result, losing weight in your 40s is more difficult than in your 20s. Let’s discuss these changes your body goes through and why it makes it harder to lose weight in your 40s.

Changes in Activity and Hormone Levels

Changes in your activity levels are one of the main reasons losing weight after 40 is more difficult than before. This happens for various reasons. 

Many of you work full-time or have family or other obligations that command your time. I’ve been there. I’m a mother, CEO, bestselling author, and wife. It’s hard to find time to exercise every day. Furthermore, a lot of these activities may have you sitting most of the day.

The other challenge for most of you is your body and hormonal changes. Testosterone production declines in men after age 30, and testosterone plays a huge role in weight control for men. Testosterone-regulating sex drive supports the production of red blood cells and sperm. It also promotes bone mass, fat distribution, and muscle growth. (1)

For women, many of you are entering perimenopause. This is a natural part of a woman’s life with many challenges. Perimenopause can begin in your 40s or 50s. However, it usually starts after age 45. 

During perimenopause, your ovaries’ production of estrogen and progesterone slows and eventually stops. A decrease in estrogen is linked to lower muscle mass and increased fat stores for women, usually around the midsection.

When you add the loss of testosterone in men and estrogen in women to a decrease in activity, the pounds can pile on. The good news is that aerobic and anaerobic exercise increases estrogen and testosterone production. This helps your body increase lean muscle mass and burn fat. (2) Not to mention exercise also helps to balance your hormones naturally.

Your Metabolism Slows Down

Your body metabolizes (breaks down) anything that enters your body. Metabolism is a chemical process that combines nutrients in your food with oxygen to create energy. You constantly uses energy from the food you eat, even when resting. 

The three primary energy sources for your body are carbohydrates, protein, and fats. These are known as macronutrients. Carbohydrates are the preferred energy source because they are easier for your body to break down and turn into glucose.

Calories, which hold no nutritional value, are the unit of measurement to tell you how much energy the food you are eating is providing your body. The number of calories your body uses is your basal metabolic rate. This is what most people think is just their metabolism.

As you get older, the metabolic process slows down significantly. This is due to a loss of muscle mass. (3) As a result, you burn calories slower. 

Other factors include your metabolic type, which I will discuss shortly, and your sex. Men tend to burn more calories than women and generally have less body fat.

Hypothyroidism also causes a general slowdown of your metabolic processes. This slowdown can be permanent if you don’t use functional medicine principles to correct it. This is why those who lose significant amounts of weight quickly put the weight back on.

Types of Metabolism

There are three different metabolic types: ectomorphs, mesomorphs, and endomorphs. You likely will identify with one of these. Understanding your metabolism type is essential to determining the right food and lifestyle choices for optimal weight. Let’s take a closer look.

  • Ectomorph: This metabolic type typically has a long, lean body with little fat and little muscle. They struggle to gain weight because they have a fast metabolism, allowing them to burn calories much faster. 

A diet with a high-calorie intake filled with healthy fats such as olive or avocado oils, wild-caught fish, and fruits and vegetables is key to reaching an optimal weight with this body type.

  • Mesomorph: These people are characterized by their athletic, solid, and well-defined bodies. This is commonly referred to as the “athlete’s body.” They aren’t overweight or underweight. However, they can gain both muscle and fat quickly. 

You will want to watch your calorie intake if you identify with this body type. This body type has a more challenging time losing weight than the other two types. This body type requires a balanced diet of carbohydrates, protein, and fat for optimal weight. This type also benefits from a protein supplement to curb sugar cravings and promote a healthy metabolism.

  • Endomorph: This metabolic type is characterized by a large frame and a higher body fat percentage. If you gain weight or muscle easily and struggle to take it off, consider yourself this body type

This body type has the slowest metabolism of the three metabolic types because of its efficiency in storing nutrients and energy. They have faster rates of fatigue since the body is less inclined to use the stored nutrients and energy. If you identify with this body type, I recommend a diet high in protein, healthy fats, and leafy greens.

Chronic Stress

You’ve likely heard that stress contributes to weight gain. However, it goes far beyond the urge to reach for some chocolate after a long, stressful day. When you experience stress, your body releases a flood of cortisol. This is the hormone that powers your fight-or-flight response. 

One unfortunate side effect of cortisol is that it causes you to gain weight or prevents you from losing weight. Furthermore, when you’re chronically stressed, your cortisol levels go up, which can cause progressive weight gain.

Numerous studies show that when animals are stressed, they gain weight, even if they eat the same calories as before. If you have difficulty losing weight after 40, start by reducing your stress.

You might be wondering — where’s the good news? I don’t want you to feel hopeless. I know this can all sound like a lost cause. However, I’m here to tell you you can lose weight after 40. I’ll show you how to boost your metabolism and reach an optimal weight later. 

For now, let’s dive into why you want to lose weight after 40. 

Why You Want to Lose Weight After 40

You may wonder if you should even try to lose weight after 40. After all, it seems like the deck is stacked against us! The short answer is yes, and you can lose weight after 40. I know because I’ve lost weight after 40. I’ll share my secret in just a bit.

Maintaining a healthy weight as you get older is essential for optimal health. Losing excess weight, and especially belly fat, can decrease your risk of a variety of health issues, including:

  • Prediabetes
  • Type 2 diabetes
  • Fatty liver
  • Breathing disorders
  • Dementia
  • High blood pressure
  • Heart disease and stroke
  • Cancer
  • Kidney disease
  • Sleep apnea
  • Chronic fatigue
  • Osteoarthritis
  • Thyroid problems
  • Premature aging and early death
  • The essential factor to remember is that weight loss is crucial for optimal health and to help you feel better. So, what is the secret to losing weight after 40? 

    Let me guide you through the functional medicine approach to weight loss. You’ll be optimizing your diet and overcoming underlying causes of weight gain.

    How to Lose Weight after 40

    Addressing the underlying cause of your weight gain is the first step. The next step is to take action. 

    While medications like Ozempic are gaining in popularity for weight loss, before you jump on that bandwagon, know that there are many natural and effective approaches you can try. 

    These methods can support your body and encourage long-lasting healthy habits that lead to lasting results — without the potential serious side effects. Here are other ways to lose weight after 40.

    Boost Your Metabolism

    If your metabolism has slowed, it can be frustrating to reach your ideal weight. Don’t worry! The power is in your hands. You CAN reverse a slow metabolism and support a healthy metabolic rate — even after 40.

    Here’s how to give your metabolism a boost:

  • Strength training - Muscle is more metabolically active than fat. This means it burns more calories even when you're just sitting around. Very helpful!
  • Quality sleep - Not getting enough sleep can slow your metabolism. Hello, weight gain!
  • Protein-rich diet - Protein helps build lean muscle mass, which boosts metabolism. In addition, your body burns more calories processing protein. 
  • Balance Your Hormones Naturally

    As I mentioned earlier, hormones play a significant role in weight loss and weight gain. As you age, your body produces fewer hormones. It’s just a natural progression. 

    Some hormonal imbalances, however, can have other underlying causes beyond the natural aging processes. These include elevated blood sugar, poor sleep, hypothyroidism, birth control pills, and endocrine disruptors such as pesticides, herbicides, and plastics, or polycystic ovary syndrome (PCOS).

    Thankfully, you can balance your hormones naturally by:

  • eliminating gluten and dairy 
      • exercising 
  • ditching plastic cookware and water bottles
    • choosing non-toxic body products

    Exercise

    You can’t deny the physical benefits of exercise. However, the mental benefits are just as impressive. This is where endorphins come into play. Endorphins are released after 30 minutes of continuous activity. Moreover, endorphins lower cortisol levels, which helps reduce stress.

    Moderate exercise is recommended for optimal weight loss. However, any activity that keeps you moving, such as taking a brisk walk, is beneficial. Start small and work your way up. Standing is better than sitting. Walking is better than standing. I enjoy yoga, hiking, and swimming with my daughter, Elle, to get my body moving.

    Your muscles are essential for bone density, strength, and overall health. Remember, your body starts to lose muscle as you age. Building muscle can increase your metabolism and help you burn more calories at rest. Good options to increase muscle mass include light weightlifting, body weight exercises, and Pilates.

    Reduce Stress

    Chronic stress can increase cortisol in your body and lead to high insulin levels. You may even end up craving more sugary and fatty junk food, resulting in more stubborn pounds and belly fat. Managing stress will increase your overall well-being and help with weight loss. I enjoy doing breathing exercises, meditation, dancing, and listening to uplifting music as some of my favorite ways to lower stress. I also take Adrenal Support every day to promote a balanced stress response.

    Ditch the Alcohol and Soda

    Alcohol adds unnecessary calories and sugar to your diet. Not to mention, most cocktails are loaded with processed sugar. 

    Drinking alcohol may also increase your appetite, leading you to get the “munchies” and consume more calories. I recommend reducing your alcohol consumption to an occasional glass of wine or eliminating it if you’re trying to lose weight after 40.

    Soda and other sugary soft drinks are also big culprits of weight gain. Don’t be fooled — diet soda is not better. Diet soda contains artificial sweeteners, preservatives, and often caffeine that can disrupt your health. Diet soda can also interfere with your hunger hormones, increase your appetite, and lead to weight gain. It has NO redeeming qualities!

    The Final Word on Losing Weight

    Losing weight after 40 can feel like an uphill battle. But remember — it’s not impossible and you’re not alone! I’ve been there too. It can be frustrating to feel like you’re doing all the right things, but still not seeing progress. With a functional medicine approach, you can truly support your body and experience lasting changes. 

    You cannot slow down aging or stop Mother Nature. However, you do have power. Focus on supporting your metabolism, reducing stress, optimizing your diet, and exercising. Using these tools allows you to get on the path to your optimal weight!

    Article Sources

    1. What are the symptoms of low testosterone, and how to increase it. Jenna Fletcher. Medical News Today. 2022.
    2. Effect of aerobic and anaerobic exercise on estrogen level, fat mass, and muscle mass among postmenopausal osteoporotic females. Zainab Abdul Razzak, Amna Aamir Khan, and Sumaira Imran Farooqui. International Journal of Health Sciences. 2021.
    3. How Much Does Your Metabolism Slow Down as You Age?. Dan Brennan, MD. WebMD. 2021.