
The gut and the immune system are closely linked. Around 70% of immune cells are found in your gut, and you nurture your gut health by supporting these cells. Our Kefir was designed to do exactly that, containing live cultures that support metabolism, improve mood, reduce bloating and improve overall health, alongside enhancing gut health and immunity.
Below, we’ll explore the link between Kefir and immunity, focusing on how a daily dose of Biotiful Kefir products can strengthen your body’s natural defences.
How does Kefir improve immunity?
The relationship between your gut microbiome and immune system is complex and dynamic. The good news for you is that, at Biotiful, we’ve made it easier than ever to improve gut health and immunity with our range of Kefir yogurts and drinks.
Packed with live cultures that support the balance of the gut microbiome, our Kefir products help to regulate inflammation, support the integrity of the gut lining, and reduce the amount of harmful pathogens from entering the blood. Kefir has anti-inflammatory and antimicrobial properties, contributing to a stronger immune system with just one serving per day. This is alongside so many other health benefits, from reducing bloating through to managing symptoms of IBS and much more.
Biotiful Kefir is stocked in major supermarkets across the UK, so it couldn’t be easier to incorporate it into your routine.

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Frequently asked questions about gut health and immunity
Get the answers to some of the most frequently asked questions about immunity, Kefir and gut health!
How do I know if I have a weak immune system?
The main sign of a weak immune system is picking up illnesses and infections more frequently. Other signs include constantly feeling tired or fatigued and taking longer than expected to heal. Seeing as the gut and the immune system are so closely linked, it’s also common to experience digestive issues as a result of a weak immune system.
Why is gut health important for immunity?
A healthy gut and a healthy immune system go hand in hand. The gut is home to a complex community of microorganisms, known as the gut microbiome, which includes beneficial bacteria, fungi, viruses, and other microbes. A diverse and balanced gut microbiome is essential for optimal immune function supporting the body’s ability to respond effectively to infection and inflammation while also protecting healthy tissue.
The best way to support gut health and immunity simultaneously is by focusing on what you eat. At Biotiful, we’ve developed a range of Kefir products designed to enhance both gut health and the immune system.
Can a gut reset improve my immunity?
While we can’t guarantee that a gut reset will solve all your immunity problems, it can contribute to boosting your immunity. A gut reset focuses on improving various areas of your lifestyle to restore balance to the gut microbiome. Implement the following changes to your diet during a gut reset to improve gut health and immunity:
- Prioritise foods rich in fibre such as fruit, vegetables, beans and nuts
- Introduce fermented foods such as Kefir, sauerkraut and sourdough
- Avoid processed foods or items that are high in sugar or saturated fat
Along with dietary changes, make sure you are also getting regular exercise, 7-8 hours of sleep and managing mental wellbeing during a gut reset.
How does nutrition impact gut health and immunity?
According to research, 70-80% of immune cells are found in the gut, so it’s no surprise that the foods you eat can have a drastic impact on immunity, both positively and negatively.
One of the best foods you can introduce to your diet to support gut health and immunity is Biotiful Kefir, which contains a diverse range of live microbes which can help maintain and support a balanced gut microbiome. Research suggests that this, in turn, can support immune health by enhancing gut barrier integrity, modulating immune cell activity, and reducing unwanted inflammation.
Another important nutrient in terms of gut health and immunity is fibre. Fibre acts like fuel for the good bacteria in our gut, helping them to produce short-chain fatty acids that play an important role in fighting off infections. Fibre also helps to add bulk to stool, promoting regular bowel movements and preventing constipation.
In terms of foods to reduce to support your immunity, diets high in sugar can disrupt the gut microbiome by encouraging the growth of harmful bacteria, ultimately weakening gut health and immunity. So, reducing your intake of processed foods and refined sugars, and replacing them with natural alternatives, is key to supporting your gut health and immune system simultaneously.
How does nutrition impact gut health and immunity?
According to research, 70-80% of immune cells are found in the gut, so it’s no surprise that the foods you eat can have a drastic impact on immunity, both positively and negatively.
One of the best foods you can introduce to your diet to support gut health and immunity is Biotiful Kefir, which contains a diverse range of live microbes which can help maintain and support a balanced gut microbiome. Research suggests that this, in turn, can support immune health by enhancing gut barrier integrity, modulating immune cell activity, and reducing unwanted inflammation.
Another important nutrient in terms of gut health and immunity is fibre. Fibre acts like fuel for the good bacteria in our gut, helping them to produce short-chain fatty acids that play an important role in fighting off infections. Fibre also helps to add bulk to stool, promoting regular bowel movements and preventing constipation.
In terms of foods to reduce to support your immunity, diets high in sugar can disrupt the gut microbiome by encouraging the growth of harmful bacteria, ultimately weakening gut health and immunity. So, reducing your intake of processed foods and refined sugars, and replacing them with natural alternatives, is key to supporting your gut health and immune system simultaneously.
How can I use Kefir to boost immunity?
If you don’t currently eat Kefir, it’s such a simple thing to introduce into your diet to boost your immunity. Biotiful has a range of products to benefit both your gut health and your immune system. With so many versatile options available, it couldn’t be easier to get your daily dose of Kefir.
If you’re looking to add kefir to your breakfast, our Kefir yogurts can be consumed on their own or combined with our ingredients such as fruit, honey, oats, granola and chia seeds to form a delicious, immunity-boosting yogurt bowl. Alternatively, add our Original Kefir yogurt to delicious salad dressings, or enjoy as a snack if you usually have plain yogurt. Our Kefir protein yogurts are a great natural source of protein, including our cherry, original and vanilla flavours, which contain 20g of natural protein.
If you’d prefer to get your hit of Kefir in drink form to support your immune system, our Kefir drinks range has a variety of delicious flavours alongside our original flavour, including Vanilla, Mango, Honey and Ginger, and Strawberry. If you have a sweeter tooth, why not try our Banoffee Pie or Caramelised Biscuit flavoured drinks?