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4 instalments of £14.16 with clearpay Learn more
Introducing the latest innovation from Bio-Kult, Great Britain's number 1 adult digestive health supplement brand*: Nourish a brighter state of mind with Bio-Kult Brighten, a daily gut and brain health supplement that's scientifically developed to reduce brain fog, tiredness and fatigue while supporting your digestive system**. Our advanced formulation contains 4 billion live bacteria, 14 researched strains, Vitamins B6, B12 and D3 and Zinc.
Powering a brighter mind from the gut
Brighten is an advanced live bacteria supplement with vitamins B6, B12 and zinc, proven to support both brain and gut health. Scientifically developed to support cognitive function, reduce brain fog and fatigue, and support digestive and immune system health, Brighten helps you feel brighter from the inside out.
Advanced multi-strain formulation
Each capsule of Bio-Kult Brighten contains 4 billion live bacteria from 14 scientifically researched strains, which helps your brain and whole-body health by supporting gut health and digestion. Designed to survive stomach acid, these bacteria deliver benefits along the full gastrointestinal tract and guarantee the full amount to 'use by' date.
Scientifically developed and made in the UK
Our scientists have created these capsules to support brain and body health from the gut, containing 14 live bacteria strains developed to reach the stomach alive. They're perfectly balanced live bacteria supplements in potent capsules.
Easy-to-take and store
Simply take 2-4 capsules every day with water or sprinkle into a cold drink. Thanks to cryoprotection technology, Bio-Kult Brighten can be stored at room temperature and doesn't need to be kept in the fridge. Bio-Kult Brighten is suitable for adults, children over 12, and can be taken when pregnant. It's also gluten-free, suitable for vegetarians and made with no artificial colours or flavours.
*Source: Kantar | GB | Adult Digestive Health Vitamins & Supplements | Unit sales share % | 52we 23rd February 2025 | Excluding Children's Digestive Health
**With Vitamins B6 + B12 which contribute to normal psychological function and Vitamin D + Zinc which contribute to the normal function of the immune system
Suitable for adults and children 12+: Take 2 capsules a day with food. Swallow capsules whole or sprinkle into food or a cold drink.
Suitable for use in pregnancy. However, if you are pregnant or planning a pregnancy, taking any medications or have any medical conditions, please consult your doctor before taking any food supplement.
- Nourish a brighter state of mind: A daily supplement that's scientifically developed to reduces brain fog, tiredness and fatigue while supporting your digestive system*
- Targets the digestive system: Each capsule contains 4 billion live bacteria from 14 scientifically researched strains support gut health and digestion
- Powering a brighter mind from the gut: Bio-Kult Brighten is an advanced live bacteria supplement with vitamins B6, B12 and zinc, proven to support both brain and gut health
- Daily gut & brain health supplement: Simply take 2-4 capsules a day with water or sprinkled into a cold drink and store at room temperature - no need to keep in the fridge
- Vegetarian Friendly & Gluten Free: Bio-Kult Brighten is gluten-free, suitable for vegetarians and made with no artificial colours or flavours. Bio-Kult Brighten can also be taken when pregnant.
Swallow capsules whole or sprinkle into food or a cold drink.
If you are pregnant or planning a pregnancy, are taking medications or have a medical condition, please consult your doctor before taking any food supplements.
Magnesium citrate, live bacterial strains (milk, soya), vegetable capsule (hydroxypropyl methylcellulose), zinc citrate, vitamin B6 (pyridoxine hydrochloride), vitamin D3 (cholecalciferol), anti-caking agent (magnesium stearate), vitamin B12 (methylcobalamin).
Live bacterial strains:
Lactobacillus paracasei PXN® 37, Lactobacillus plantarum PXN® 47, Lactobacillus rhamnosus PXN® 54, Bacillus subtilis PXN21®,Bifidobacterium bifidum PXN® 23, Bifidobacterium breve PXN® 25, Bifidobacterium longum PXN® 30, Lactobacillus helveticus PXN® 35, Lactococcus lactis ssp. lactis PXN® 63, Streptococcus thermophilus PXN® 66, Bifidobacterium infantis PXN® 27, Lactobacillus delbrueckii ssp. bulgaricus PXN® 39, Lactobacillus helveticus PXN® 45, Lactobacillus salivarius PXN® 57
Allergen advice:
For Allergens, See ingredients list in bold. Why do we use milk and soya? Milk and soya are used in the fermentation process. The good news is that the content is at a level that would not affect lactose intolerant sufferers. Keep out of reach of children.
I struggle with low energy levels. Can I take Bio-Kult Brighten?
Yes, Bio-Kult Brighten contains vitamins B6, B12, D as well as zinc and magnesium. Vitamins B6 and B12 contribute to the reduction of tiredness and fatigue. Consider supplementing with Bio-Kult, whilst also making some lifestyle changes that support energy, such as balancing blood sugar levels through diet, getting sufficient sleep and going outside for a walk, during daylight.
I have used Bio-Kult Brighten before. Is this product the same?
Yes, Bio-Kult Brighten contains the same formulation as before, using 14 strains of live bacteria, with vitamins B6, B12, D3 and minerals zinc and magnesium.
How long do vitamin D supplements take to work?
Vitamin D supplements may take around 10 weeks to change the serum levels of this vitamin.
Do vitamin D supplements work?
If your diet is lacking in sufficient vitamin D and you don't get enough exposure to sunlight, it may be a good idea to supplement with this 'sunshine vitamin', as it contributes to the normal function of the immune system and a reduction of tiredness and fatigue.
Bio-Kult Brighten, Brain & Gut Health Supplement with Multivitamins & Zinc, 90 Day Pack
Nourish a brighter state of mind (Contains 3x packs of 60 capsules)
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Vegetarian
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No artificial colours or flavours
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Gluten Free
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Free standard delivery on all first orders over £30 + Free standard delivery on all recurring orders.
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You control the frequency
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No commitment. Cancel anytime.
RRP £62.94
£56.65
Save: £6.29
In stock
-
4 instalments of £14.16 with clearpay Learn more
Introducing the latest innovation from Bio-Kult, Great Britain's number 1 adult digestive health supplement brand*: Nourish a brighter state of mind with Bio-Kult Brighten, a daily gut and brain health supplement that's scientifically developed to reduce brain fog, tiredness and fatigue while supporting your digestive system**. Our advanced formulation contains 4 billion live bacteria, 14 researched strains, Vitamins B6, B12 and D3 and Zinc.
Powering a brighter mind from the gut
Brighten is an advanced live bacteria supplement with vitamins B6, B12 and zinc, proven to support both brain and gut health. Scientifically developed to support cognitive function, reduce brain fog and fatigue, and support digestive and immune system health, Brighten helps you feel brighter from the inside out.
Advanced multi-strain formulation
Each capsule of Bio-Kult Brighten contains 4 billion live bacteria from 14 scientifically researched strains, which helps your brain and whole-body health by supporting gut health and digestion. Designed to survive stomach acid, these bacteria deliver benefits along the full gastrointestinal tract and guarantee the full amount to 'use by' date.
Scientifically developed and made in the UK
Our scientists have created these capsules to support brain and body health from the gut, containing 14 live bacteria strains developed to reach the stomach alive. They're perfectly balanced live bacteria supplements in potent capsules.
Easy-to-take and store
Simply take 2-4 capsules every day with water or sprinkle into a cold drink. Thanks to cryoprotection technology, Bio-Kult Brighten can be stored at room temperature and doesn't need to be kept in the fridge. Bio-Kult Brighten is suitable for adults, children over 12, and can be taken when pregnant. It's also gluten-free, suitable for vegetarians and made with no artificial colours or flavours.
*Source: Kantar | GB | Adult Digestive Health Vitamins & Supplements | Unit sales share % | 52we 23rd February 2025 | Excluding Children's Digestive Health
**With Vitamins B6 + B12 which contribute to normal psychological function and Vitamin D + Zinc which contribute to the normal function of the immune system
Suitable for adults and children 12+: Take 2 capsules a day with food. Swallow capsules whole or sprinkle into food or a cold drink.
Suitable for use in pregnancy. However, if you are pregnant or planning a pregnancy, taking any medications or have any medical conditions, please consult your doctor before taking any food supplement.
- Nourish a brighter state of mind: A daily supplement that's scientifically developed to reduces brain fog, tiredness and fatigue while supporting your digestive system*
- Targets the digestive system: Each capsule contains 4 billion live bacteria from 14 scientifically researched strains support gut health and digestion
- Powering a brighter mind from the gut: Bio-Kult Brighten is an advanced live bacteria supplement with vitamins B6, B12 and zinc, proven to support both brain and gut health
- Daily gut & brain health supplement: Simply take 2-4 capsules a day with water or sprinkled into a cold drink and store at room temperature - no need to keep in the fridge
- Vegetarian Friendly & Gluten Free: Bio-Kult Brighten is gluten-free, suitable for vegetarians and made with no artificial colours or flavours. Bio-Kult Brighten can also be taken when pregnant.
Swallow capsules whole or sprinkle into food or a cold drink.
If you are pregnant or planning a pregnancy, are taking medications or have a medical condition, please consult your doctor before taking any food supplements.
Magnesium citrate, live bacterial strains (milk, soya), vegetable capsule (hydroxypropyl methylcellulose), zinc citrate, vitamin B6 (pyridoxine hydrochloride), vitamin D3 (cholecalciferol), anti-caking agent (magnesium stearate), vitamin B12 (methylcobalamin).
Live bacterial strains:
Lactobacillus paracasei PXN® 37, Lactobacillus plantarum PXN® 47, Lactobacillus rhamnosus PXN® 54, Bacillus subtilis PXN21®,Bifidobacterium bifidum PXN® 23, Bifidobacterium breve PXN® 25, Bifidobacterium longum PXN® 30, Lactobacillus helveticus PXN® 35, Lactococcus lactis ssp. lactis PXN® 63, Streptococcus thermophilus PXN® 66, Bifidobacterium infantis PXN® 27, Lactobacillus delbrueckii ssp. bulgaricus PXN® 39, Lactobacillus helveticus PXN® 45, Lactobacillus salivarius PXN® 57
Allergen advice:
For Allergens, See ingredients list in bold. Why do we use milk and soya? Milk and soya are used in the fermentation process. The good news is that the content is at a level that would not affect lactose intolerant sufferers. Keep out of reach of children.
I struggle with low energy levels. Can I take Bio-Kult Brighten?
Yes, Bio-Kult Brighten contains vitamins B6, B12, D as well as zinc and magnesium. Vitamins B6 and B12 contribute to the reduction of tiredness and fatigue. Consider supplementing with Bio-Kult, whilst also making some lifestyle changes that support energy, such as balancing blood sugar levels through diet, getting sufficient sleep and going outside for a walk, during daylight.
I have used Bio-Kult Brighten before. Is this product the same?
Yes, Bio-Kult Brighten contains the same formulation as before, using 14 strains of live bacteria, with vitamins B6, B12, D3 and minerals zinc and magnesium.
How long do vitamin D supplements take to work?
Vitamin D supplements may take around 10 weeks to change the serum levels of this vitamin.
Do vitamin D supplements work?
If your diet is lacking in sufficient vitamin D and you don't get enough exposure to sunlight, it may be a good idea to supplement with this 'sunshine vitamin', as it contributes to the normal function of the immune system and a reduction of tiredness and fatigue.
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Customer Reviews
Customer Reviews
Where reviews refer to nutritional products, results may vary from person to person. Customer reviews are independent and do not represent the views of Bio-Kult. The reviews, thoughts, and opinions expressed here belong solely to the author and are in no way the opinion of Bio-Kult. Bio-Kult shall not be liable to any party for their reliance on any review published herein.
Recommended by Tired mum
I have been regularly using the original biokult supplements for years. I thought I’d give this a go after I had my second child and sleep was in short supply. I really do feel these have helped my energy levels and mood too, and I notice the difference if I miss a day taking them.Â
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