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Live Kefir Grains

Live Natural Kefir Grains Grown in Organic Cows Milk | Probiotic, Gut Health, Immune System, Healthy Wholefoods | Cultured Fermented Kefir

Price range: £14.00 through £58.00

4 interest-free payments | 18+, T&Cs apply. Credit subject to status.

Live Natural Kefir Grains: Your Starter Culture for a Probiotic Revolution
Unlock the power of authentic, homemade fermentation with our Live Natural Kefir Grains. These active, cauliflower-like cultures are a complex symbiotic community of bacteria and yeast (a SCOBY) that transform simple milk into a potent, tangy, and naturally effervescent super-drink. Skip the packaged alternatives and create endless batches of fresh, premium kefir right in your own kitchen.  
How to Use the Grains
Using your kefir grains is a simple, daily ritual that takes less than five minutes:
  1. Activate: Gently rinse your grains (if necessary) and place them in a clean glass jar.
  2. Add Milk: Pour approximately 500ml of fresh dairy milk (cow, goat, or sheep) over the grains. Avoid ultra-pasteurized or lactose-free milk, as the grains need the lactose to feed.
  3. Ferment: Cover the jar with a breathable cloth or paper towel and secure with a rubber band. Leave the jar at room temperature (around 68–75°F or 20–24°C) for 12 to 36 hours. The time depends on your desired thickness and the temperature of your kitchen.
  4. Strain: Once the milk has thickened and smells pleasantly tangy, strain the kefir through a plastic sieve into a clean container.
  5. Re-Culture: Immediately place the strained grains back into the jar and add fresh milk to start the next batch.
 
 
Serving Suggestions
  • Simple Drink: Enjoy the slightly fizzy, tangy kefir plain.
  • Smoothie Base: Use it as a probiotic-rich liquid for your morning smoothie.
  • Salad Dressing: Whisk it with herbs and a touch of lemon juice for a creamy, healthy dressing.
  • Marinating Meat: Its acidity makes it a superb tenderizer for chicken or lamb.

 
Vitamins, Minerals, and Nutrients Content
Kefir, the finished product made from the grains, is far more nutrient-dense than the milk it started with. During fermentation, the grains break down lactose and synthesize a wide array of beneficial compounds:
  • Vitamins: Rich source of Vitamin B12 (essential for nerve function), Vitamin K2 (aids in calcium metabolism), Biotin, and Folate.
  • Minerals: Excellent source of Calcium (vital for bone health), Magnesium, and Phosphorus.
  • Nutrients: High in easily digestible Protein and contains unique Polysaccharides (like kefiran), which are compounds thought to contribute to its thick texture and immune-supporting properties.
  • Probiotics: Contains a diverse and abundant mix of beneficial bacteria and yeast, often exceeding 30 different strains, which is significantly more complex than most commercial yogurts.
 
 
Scientific Research into the Benefits
Modern scientific studies into the biological properties of kefir consistently point toward several key areas of benefit, largely attributable to its rich and diverse microbial content:
  1. Gut Health and Microbiome Diversity: Research has shown that consuming kefir can introduce a wide range of beneficial microorganisms, potentially enhancing the diversity and balance of the gut microbiome, which is linked to improved digestive health.
  2. Immune Modulation: Studies suggest that certain compounds, particularly the unique polysaccharide kefiran, may exhibit immunomodulatory effects, helping to regulate and support a healthy immune response.
  3. Antimicrobial Activity: Laboratory studies have found that kefir contains compounds that may help inhibit the growth of harmful bacteria like Salmonella and E. coli through competitive exclusion and the production of organic acids.
  4. Bone Health: Due to its high content of easily absorbed calcium and Vitamin K2, some research has indicated that regular kefir consumption may play a role in supporting bone density and strength.
 
 
What Not to Do (Kefir Care Guidelines)
To ensure your kefir grains remain healthy, active, and safe for continuous use, please adhere to these simple rules:
  • Do Not Use Metal: Avoid prolonged contact with metal utensils or containers, as it can harm the delicate microflora. Use only plastic, wood, or glass for stirring and straining.
  • Do Not Boil/Heat: Never expose the live grains to high temperatures, as this will kill the beneficial bacteria and yeast.
  • Do Not Seal Tightly: The fermentation process releases gases (carbon dioxide). If you use a lid, it must be loosely fitted, or the jar may shatter. A breathable cloth is the safest option.
  • Do Not Freeze (Unless Long-Term Storage): While grains can be stored frozen, this is usually reserved for long breaks, as it can stress the culture. For short breaks (up to a week), simply place the grains in fresh milk in the fridge.

FAQ

MANDATORY UK FOOD SUPPLEMENT DISCLAIMER

Wildeboost products are food supplements and must not be used as a substitute for a varied diet. They are not intended to treat, diagnose, cure, or prevent any disease.

The information provided is intended for educational purposes only and reflects the traditional or researched properties of the ingredients. Please consult your healthcare practitioner before consuming if you are pregnant, breastfeeding, taking medication, or have any medical condition.

Our Ethos

At Wildeboost, we believe in the power of nature. All our products are formulated with high-quality ingredients historically revered for their beneficial properties. As food supplements, our offerings are designed to support your general well-being, not to replace a varied diet or healthy lifestyle. We select our functional mushrooms and adaptogenic herbs based on centuries of traditional use and a growing body of scientific literature.

We select our functional mushrooms and adaptogenic herbs based on centuries of traditional use and a growing body of scientific literature.

MANDATORY UK FOOD SUPPLEMENT DISCLAIMER

Wildeboost products are food supplements. They are not intended to diagnose, treat, cure, or prevent any disease, including cancer.

Please do not rely on information from our website to make decisions about your health. Always seek personalized medical advice from a qualified practitioner.

Our Policy on Medical Conditions

At Wildeboost, we are aware that many of the functional mushrooms (such as Reishi, Chaga, and Turkey Tail) and adaptogenic herbs we use are the subject of extensive scientific research, often focusing on their antioxidant and immunomodulatory properties. We understand why customers with serious health concerns might be interested in these natural ingredients.

Crucially, our products are food supplements and not intended to diagnose, treat, cure, or prevent cancer or any other disease.

We do not make, endorse, or support any claims that our products have anti-cancer or curative properties.

Mandatory Consultation

If you have a serious medical condition, including cancer, or are undergoing any form of medical treatment (such as chemotherapy or radiation), it is absolutely vital to consult with your oncology team or a qualified healthcare professional before introducing any food supplement, including any Wildeboost product, into your diet.

A healthcare professional is best positioned to advise you on potential interactions with your current treatment and your specific health needs.

The Investigation of Lion’s Mane

Our inclusion of functional mushrooms is backed by decades of research. For instance, Lion’s Mane (Hericium erinaceus) has been the subject of numerous clinical trials investigating its neurological properties.

One notable randomized, double-blind, placebo-controlled human study investigated adults with mild cognitive impairment. The researchers reported that the group receiving Lion’s Mane extract showed significant improvements in cognitive performance scores over the 16-week intervention period (Mori et al., 2009/2019). This is one example of the research supporting the historical use of this powerful ingredient.

“I swapped my second cup of coffee for a Wildeboost product, and the difference is night and day. I get this clean, sustained energy and laser-like focus without any of the jitters or the dreaded afternoon crash. It has truly made my workdays more productive. The taste is smooth, too—a great start to the morning!” – Alex R., Repeat Customer

Research into Reishi and Beta-Glucans

Mushrooms like Reishi (Ganoderma lucidum) are prized for their high concentrations of \beta-glucans, which are widely studied for their immunomodulatory properties.

In one randomized controlled trial involving healthy adult volunteers, researchers found that supplementation with Reishi-derived \beta-glucan was associated with a significant enhancement in various immune cell populations, including T-lymphocytes and Natural Killer (NK) cell counts, compared to the placebo group (Liu et al., 2023). This provides evidence for the ingredient’s potential to support a balanced immune system.

“I usually dread the shift into winter—I always feel run down and sluggish. I’ve been taking a Wildeboost blend daily for six months, and this year, the seasonal shift has been completely different. I feel more resilient, my energy is steady, and I feel like my body is just handling everything better. It’s become a vital part of my daily wellness routine.” – Sarah L., Dedicated User

The Investigation of Cordyceps and Exercise

For those seeking natural support for an active lifestyle, many of our blends include Cordyceps (Cordyceps militaris). This ingredient is known in traditional use for supporting energy and vitality, and modern science is actively exploring these claims.

One human study investigated the effects of Cordyceps supplementation on muscle tissue after high-intensity exercise. Researchers observed that the intake of Cordyceps was associated with accelerated stem cell recruitment to the muscle after exercise, suggesting a potential role in speeding up the resolution of exercise-induced muscle damage (Dewi et al., 2024).

The Science Behind Chaga

Many of our comprehensive blends feature Chaga (Inonotus obliquus), which is recognized for its dark, nutrient-rich pigmentation. This color is due to a high concentration of polyphenols and melanins—compounds known for their antioxidant activity.


Multiple laboratory studies have compared the antioxidant potential of Chaga extract against other common medicinal fungi. These reports consistently demonstrate that Chaga possesses a strong scavenging activity against free radicals, often showing the highest levels of phenolic and flavonoid content among the fungi tested (Cui, Kim, & Park, 2005).

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