A healthy gut could help weight loss

May 16, 2022

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Gut health and weight loss often go hand in hand. The latest research suggests your digestive health is not only the key to overall health, but also the secret to weight loss.

Did you know that the microbes that live inside you outnumber your own body cells by 10:1?

Deep down in your large intestine, there are around 100 trillion microbes, mostly bacteria, and collectively they’re known as your microbiome.

What does gut bacteria do for you?

There are hundreds if not thousands of strains of gut bacteria – some helpful, some not – and we’re only just starting to discover their roles in looking after our health.

Your healthy bacteria help you to:

Digest food
Protect against pathogens, such as viruses
Provide essential nutrients, enzymes and hormones
Manage your metabolism
Train your immune system

But they can only do all this if your microbiome is in balance.

If it’s not, then digestive issues, lethargy, low mood, poor immunity and weight gain can result.

The gut-weight link

One of the key areas of gut research is focusing on weight loss.

Studies in obese and lean sets of twins have shown that lean twins have a vibrant and diverse microbe community, while obese twins have far fewer useful microbes.

Gut microbes can alter the way we store fat, how we balance our blood glucose levels and how we respond to hormones that signal hunger and satiety.

There’s plenty you can do to improve your gut health and weight loss.

And it all starts with giving your gut a little love.

Support your gut bacteria

The main goal of any gut-healthy diet is to increase the number and variety of good bacteria in our digestive system.

Here are some ways you can do that:

Minimise stress

Research shows being under stress reduces the number and diversity of gut microbes.

Try and carve out time for activities you enjoy, whether that’s yoga, painting or reading a good novel.

Get active

Studies have found athletes have a greater variety of gut bacteria than inactive people.

Exercise may increase levels of different bacterial strains, while also helping with stress and weight loss.

The role of diet in gut health

As we have already discussed, diet is key when we’re thinking about improving our gut health and weight loss.

Here are some ways you can make your diet more gut-friendly:

Limit sugar and processed foods

Excess sugar suppresses beneficial bacteria and allows unhealthy microbes to take hold.

Processed foods are often high in sugar, salt, saturated or trans fats, additives and preservatives. They offer few nutrients that your gut bacteria thrive on, so are best avoided.

Fill up on gut-friendly foods

A diet rich in food with non-digestible ingredients, aka prebiotics, may increase the number of bacteria in the gut.

These ingredients form of fibre that passes through your digestive system and provides a feast for waiting microbes.

You can find them in fibrous foods like bananas, asparagus, chicory, onions, garlic and leeks, as well as many other fruits, vegetables, pulses, nuts and seeds.

Up your natural bacteria intake

Try to eat more foods that contain live bacteria and yeasts, aka probiotics – some are naturally fermented, while some have cultures added.

Avoid milks and drinks that are flavoured and sweetened, as this can negate their effects. Instead, pick naturally fermented foods.

Here are some of the best probiotics:

Live, natural yoghurt
Kefir – a fermented milk drink
Kombucha – a fermented tea drink
Kimchi – Korean pickled vegetables
Sauerkraut – German pickled cabbage
Other pickles
Miso
Aged, unpasteurised cheese

How do probiotics help with weight loss?

Probiotics and weight loss have been linked, and some studies have suggested that probiotics could reduce the body weight and fat mass in individuals, as well as improve fat and sugar metabolism.

They travel through the digestive tract to the large intestine where they top up the numbers and strains of microbes that live there.

Eat an abundant, diverse diet

Good news for anyone who’s struggled with restrictive, calorie-controlled diets in the past: when it comes to improving your gut health and weight loss, you need to eat more!

Diversity is lacking in our modern, Western diets, but increasing the variety of natural foods you eat is the fastest way to improve your microbiome.

In fact, research shows dieters who eat a greater variety of healthy foods are more likely to lose weight and fat long-term, and less likely to develop metabolic syndrome.

So, eat a rainbow of fruit and veg, nuts and seeds every day.

Buy new foods each time you shop, eat seasonally, cook new recipes, and experiment with foreign cuisines.

Get out of your food comfort zone and your gut – and waistline – will thank you for it.

SHOP FOOD & DRINK