How To Increase Your Metabolism After 50 (A Guide For Women)

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Perhaps you have been feeling more tired than usual lately.  Maybe your digestion seems a bit  “sluggish”. Your skin feels dry and you’ve been craving sugar. These are all signs of metabolic weakness or a slowing down of your metabolism. Let’s dive into how this can happen and for each cause  I give simple to implement tips on how to increase your metabolism.

Metabolism When We Age

As we go through menopause our bodies change. Estrogen decreases, muscle mass decreases, and less muscle mass means a slower metablism so more fat gain. And guess where that fat goes when we’re over 50. Yep, around our middle. 

woman over 50 on bicycle

What we need to do to speed up our metabolism over 50 is much the same at any age with a few key differences which I will note as we go.

Firstly What The Heck Even Is Metabolism?

Metabolism is the word to describe all the complex biochemical reactions in your body. It’s how you take in nutrients and oxygen and use them to fuel everything you do. It’s pretty damned important and as such, we need to look after it.

Your body has an incredible ability to grow, heal, and keep you alive. And without this amazing biochemistry, you would not be able to be you.

Metabolism includes how the cells in your body allow:

  • Activities you can control such as walking, running or exercise
  • Activities you can’t control: your heartbeat, wound healing, processing of nutrients & toxins, etc
  • Storage of excess energy for later

Putting all these processes together so that they work just right is incredible but if the conditions aren’t in balance it can mean that your metabolism is either too slow or too fast.

Which brings us to the “metabolic rate”.

Metabolic Rate

This is how fast your metabolism works and is measured in calories. THAT WORD! That word that we love to hate.The calories you eat can go to one of three places:

  • Work – exercise and other activity
  • Heat – from all those biochemical reactions
  • Storage – extra leftover “unburned” calories stored as fat.

The more calories you burn as work or creating heat the fewer “leftover” calories there are to store as fat for later and the easier it is to lose weight and keep it off. Seems simple right? Hmm, maybe not.

What things can cause your metabolism to slow down?

Metabolism includes all of the reactions in your body that use nutrients and oxygen to create energy.  There are lots of factors that affect how quickly or slowly it works. Your “metabolic rate” is measured in calories.

We now know that metabolic rate is much more complicated than the old adage “calories in, calories out”!  In fact, it’s so complicated I can only list a few of the common factors that can slow it down.

Examples of common reasons why metabolic rates can slow down:

  • low thyroid hormone
  • a history of on and off dieting
  • size and body composition
  • activity level
  • LACK OF SLEEP
  • Stress levels
  • And of course, aging.

Note: as we age we tend to do less strenuous activity. Add the fact that as we age we lose 3-8% muscle mass each decade and it may seem like we’re on a fast train to wearing stretchy pants and comfy shoes forever land. 

Having low thyroid

Your thyroid is the master controller of your metabolism.  When it produces fewer hormones your metabolism slows down. Some of your thyroid hormones tell the cells in your body when to use more energy.

Ideally, they would work to keep your metabolism just right. However, issues like autoimmune diseases and mineral deficiencies can throw them off balance. Two of the most common minerals are iodine and selenium.

To keep these minerals at optimum levels include some of the following foods into your diet each day to help balance your thyroid hormones and increase your metabolism.

I eat 3 brazil nuts every morning when I get back from my walk. Boom! Daily selenium is taken care of.

If you prefer, try my  Selenium-Rich Chocolate Chia Seed Pudding Recipe which is perfect as a dessert or a breakfast.

a brazil nut and chia pudding in a glass

Psst! – there’s also a recipe for Dark Chocolate Brazil Nut and Coconut Bars on the same post.

Selenium rich choc fudge

Tip 1

Foods containing iodine: Kelp, wakame, kombu, organic strawberries, organic yoghurt, cranberries.

Foods containing selenium: Brazil nuts, sardines, turkey, spinach, chicken.

Talk with your doctor about having your thyroid hormones tested.

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Your history of dieting

When you lose weight your metabolic rate slows down.  This is due to the fact that the body senses that food may be scarce. It adapts by trying to continue with all the necessary life functions and do it all with less food.

While dieting can lead to a reduction in fat it carries, unfortunately, it can also lead to a reduction in the amount of muscle you have.  As you know more muscle means faster resting metabolic rate.

Tips:

  • Make sure you’re eating enough food to fuel your body without overdoing it.
  • Build muscle by including bodyweight or resistance exercises into your weekly exercise regime.

Your size and body composition

In general, larger people have faster metabolic rates.  This is because it takes more energy to fuel a larger body than a smaller one.

However, gaining weight is never the best strategy to increase your metabolism.

Muscles that actively move and do work need energy.  Even muscles at rest burn more calories than fat.  This means the amount of energy your body uses depends partly, on the amount of lean muscle mass you have.

Tip 2: Do regular weight training to help increase your muscle mass. Start small with only a few reps and build up to heavier weights and more reps. Increasing your muscle mass, especially in your shoulders and arms also has the added benefit of giving you a nice toned look.

Which leads us to…

Your activity level

Women lifting weights to build muscle and speed up metabolsim

Build muscle

Muscles that actively move and do work need more energy than fat does. So the more lean muscle mass you have the more energy your body will burn and the higher your metabolic rate will be. Even when you’re not working out. That’s like making money in your sleep!

Build that lean muscle mass and it will keep you looking lean and toned.

This is why weight training is often recommended as a part of a weight loss program. Because you want muscles to be burning those calories for you.

When you lose weight your metabolic rate often slows down. Offset that loss with more muscle mass and reducing simple carbohydrates in your diet such sugar and grains.

Increase your heart rate

Aerobic exercise temporarily increases your metabolic rate.  Your muscles are burning fuel to move and do “work”. This doesn’t mean you need to go crazy and start running or doing fast gym workouts. Aerobic activity can be as simple as a brisk walk up the nearest hill.

Even little things can add up.  Walking a bit farther than you usually do, using a standing desk instead of sitting all day, or taking the stairs instead of the elevator can all contribute to more activity in your day.

Tip 3:  Incorporate more movement into your day.  I often run on the spot while I wait for the jug to boil or my toast to cook. Any amount of activity is better than none.

Eat foods that help increase your metabolism and improve your digestiion

Your body burns calories to absorb, digest, and metabolize your food. This is called the “thermic effect of food” (TEF).

You can use this to your advantage when you understand how your body metabolizes foods differently.

Fats, for example, increase your TEF by 0-3%; carbs increase it by 5-10%, and protein increases it by 15-30%. By trading some of your fat or carbs for lean protein you can slightly increase your metabolic rate.

Studies have also shown the TEF of highly processed foods as being substantially less that of whole foods, which makes complete sense.

A doughnut which is high sugar, high fat (not the good kind) and therefore high carbohydrate will turn into energy easily and increase your TEF very little. Wholefoods, on the other hand, take a bit more digesting and release energy into your system slowly increasing your TEF more.

Add to that the fact that course food may even pass through your body without even being digested so the calories will be lost out the other end and you are on to a win.

Another bonus of protein is that your muscles need it to grow. By working them out and feeding them what they need they will help you to lose weight and keep it off.

For a super simple protein recipe try my Lemon Herb Roasted Chicken Recipe. It ticks all the boxes.

Other foods that will help improve your metabolism are:

  • coffee – I’m so pleased that this makes the list. Limit it to one or two cups a day and try to make them in the morning so there is no effect on your ability to sleep.
  • tea – may as well make it green tea so your getting all those healthy antioxidants as well.
  • good sources of protein such as grass fed lean red meat, poultry, nuts, seeds, greek yoghurt.
  • healthy fats such as olive oil, coconut oil, nuts, seeds and their oils (if cold pressed) as well as avocado are all good choices. These will help keep you feeling fuller longer so you don’t feel the need to snack on empty calories.
  • plenty of rainbow coloured vegetables especially the leafy variety and cruciferous veg. We’re talking kale, spinach, broccoli, cabbage, and cauliflower. Vegetables, especially those with high fibre, take a bit more to digest so our bodies burn more calories thereby increasing our metabolism.

Tip 4: Incorporate the foods into your diet that will help to boost your metabolism with out adding more fat. A healthy wholefoods diet full of plant food with a moderate amount of good protein and healthy fats is perfect for establishing the best environment for a healthy metabolism. 

Lack of sleep

tired woman reading in bed

There is plenty of research about the influence that sleep has on your metabolism.  The consensus is to get 7-9 hours of sleep every night.

I’ve written a lot about the benefits of a good night’s sleep. Probably because it can elude me at times too. This is one area to work hard on maintaining but in doing so try not to get stressed or you’ll find yourself in a vicious circle. See my latest post on sleep (it does refer to midlife but really the concepts are the same at any age) – How To Get A Better Night’s Sleep In Midlife

Tip 5: Create a calm nighttime routine that allows you to get into bed in a relaxed state in time for 7 hours of sleep. Ideas to do this are:

  • keep lights low
  • turn off electronics
  • have a warm nighttime drink
  • chat quietly with your family
  • do some journaling
  • do a short restorative yoga routine that promotes sleep. Here is a gorgeous one with relaxing music by my favourite yoga teacher Adriene – Yoga For Bedtime – 20 Minute Practice

Now:

Stress – metabolism’s worst enemy!

Stress really is the Big Kahuna for messing up our body’s processes and slowing your metabolism.

It is important to keep stress to a minimum. If you find your stress levels trending up, try some regular meditation. Even 10 minutes will help. There really are some gorgeous meditations online. Check out this post for some of my faves – Free Guided Meditations For Better Health In Menopause

Although a little cortisol, the stress hormone, can increase your metabolism, chronic stress can cause weight gain, depression and fatigue.

Tip 6: Check out my Selenium-Rich Chocolate Chia Pudding recipe. This recipe contains Brazils: a rich source of selenium which can support thyroid function and help with sleep problems.

Other ways to reduce stress are to:

  • exercise regularly
  • avoid caffeine, alcohol and smoking

Your metabolism…

can become slow for many reasons but it is fairly simple to increase it with the tips I’ve given you in this post. As with anything in health the best remedy is a holistic approach. My personal approach to remedying a health issue or increasing your metabolism as we’ve talked about here, is to tackle it in small increments. If it all seems a little overwhelming that’s okay. Take it one small change at a time. Swap something in your diet this week. Maybe add in a short meditation next week. Ten weeks equals ten changes for the better and that’s ten healthy habits you didn’t have when you started. Imperfect action is better than no action at all.

Do you know if your metabolism is slow? Let me know in the comments.

FAQ

see what others are asking

  1. How can I speed up my metabolism?
  • Eat a diet rich in healthy wholefoods with a good amount of protein and healthy fats.
  • Lift weights to increase muscle mass
  • Get plenty of good sleep
  • Destress
  • Move more

2. What foods increase metabolism?

Iodine, zinc and selenium are minerals that will help keep your thyroid working optimally. So add meat, seafood, nuts, seeds and legumes to your diet.

3. What foods slow down your metabolism?

Foods containing processed wheat such as white bread and pasta have no nutritional value and will be readily turned to energy in our bodies without using any extra calories to digest it. This will contribute to slowing down your metabolism.

Likewise high sugar foods that when eaten are immeditatel turned into energy or stored as fat do not help to increase metabolism.

boost your metabolism

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