10 Best Liver Support Supplements For Dogs in The UK

Last updated on 02/08/2025

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Pet Wellbeing Milk Thistle for Dogs - Supports Liver Health, Healthy Detoxification, Antioxidant Support, Liver Cell Support, Silymarins - Veterinarian-Formulated Herbal Supplement - 4 oz (118 ml)

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Why We Love It

Improves pets' quality of life.
Supports healthy liver function.
Veterinarian-formulated and USA-made.

Main Highlights

ORGANIC MILK THISTLE HERB gently delivers powerful LIVER SUPPORT in an effective formula.
Supports the healthy PRODUCTION AND REPAIR of liver cells with POWERFUL ANTIOXIDANTS.
Helps promote normal LIVER DETOX and METABOLIC PROCESSES.
EASY TO ADMINISTER alcohol-free liquid.
DELICIOUS natural bacon flavor—even picky eaters will love the taste.
Why Pet Wellbeing? Since 2001, millions of happy pet parents have trusted Pet Wellbeing. Our VET-FORMULATED supplements are proudly MADE IN THE USA with high-quality ingredients and rigorous testing. We use a Board of Advisors—leading veterinarians and professors—who meticulously craft our herbal formulas using science and traditional knowledge for maximum effectiveness.

maxxipaws maxxiSAMe Advanced SAM-e Powder Supplement - Liver, Cognitive & Joint Support for Dogs, 150g

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Why We Love It

Supports canine cognitive and liver functions.
Professional recommended for pet's health.
Easily administered with pet's food.

Main Highlights

LIVER HEALTH CARE: A supplement for any pet dog with liver issues. Our key ingredient SAM-e, can aid the hepatic (liver) function, support cell regeneration & safeguard against further damage.
AID COGNITIVE FUNCTION: maxxiSAMe acts as a brain function stimulant containing SAM-e, which can support the dopamine function in the brain, to assist cognitive performance.
ADDITIONAL NATURAL INGREDIENTS: Artichoke can help to stimulate the production of bile in the liver. B Vitamins aid liver metabolic function & are recommended for liver problems. Choline & Inositol assist in removing liver fatty deposits.
SUPPORT FOR ALL DOGS: Suitable for any canine breed. May help slow mental decline & aid alertness in senior or older dogs; plus supports joint health & promotes positive mood.
GIVEN WITH FOOD: Unlike inconvenient tablets, our natural flavour powder supplement is given easily with food, for quick absorption; add 1 scoop to food daily per 14kg of weight. Suitable for small, medium & large dogs.

Denamarin for Medium Dogs Tablet 225 mg, Pack of 30 Tablets

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Why We Love It

Supports your pet's liver.
Contains SAMe and Silybin.
Different sizes for breeds.

Main Highlights

Denamarin provides high-level support for your pet’s liver
Denamarin contains SAMe and Silybin
Enteric coated tablets to protect them from being oxidised
Different sizes for different breeds

ADVANCED LIVER CARE DETTOX for DOGS and CATS - in NEW label design - same advanced formulation. With Concentrated Milk Thistle - Formulated by Expert Vets and Nutritionists - 90 caps

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Why We Love It

Award winning veterinary formula.
Concentrated Milk Thistle included.
All natural ingredients used.

Main Highlights

ADVANCED LIVER CARE DETTOX for DOGS and CATS AWARD WINNING PRODUCT with Concentrated Milk Thistle All Natural Ingredients One of the most Advanced Veterinary Formula available 90 Caps
Brand : Broadreach Nature
Product type: ANIMAL NUTRITIONAL SUPPLEMENT

Dorwest Milk Thistle Tablets for Dogs and Cats, 200 Tablets, Supports Liver Function, Antioxidant for Dogs, Immune System Heath, Natural Supplement

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Why We Love It

Supports pets' liver function.
Boosts immune system health.
Made with natural ingredients.

Main Highlights

MILK THISTLE TABLETS FOR DOGS & CATS: help maintain good liver function in your pet with Dorwest’s high-grade Milk Thistle Tablets for dogs and cats, providing natural support for the liver using whole fruit extract. High in silymarin and other active compounds
HELPS LIVER FUNCTION: our pets’ livers are involved in almost all body processes – Dorwest Milk Thistle helps maintain the stability of liver cells, helping to protect the liver against damage and prevent the infiltration of toxins and infectious agents
IMMUNE SYSTEM HEALTH: Milk Thistle acts as an antioxidant that neutralises ‘free radicals’ produced during metabolic activity – something pets’ livers do a lot of – while supporting the immune cells that are essential in fighting infections
NATURAL SUPPORT FOR THE LIVER & BODY: Healthy oils such as linoleic acid, flavenoids and vitamin E are all known for their antioxidant (to neutralise free radicals) and immune supportive action and all are present in the Milk Thistle fruit
75 YEARS OF HERBAL PET CARE: we’ve been supporting pets’ health care since 1948 – trusted by vets and with over 75 years of expertise behind us, Dorwest Milk Thistle Tablets for dogs and cats reliably help support pets with liver disease

PetExx Hepatic 30 tablets - SAMe & Silybin (Milk Thistle) supplement formulated by vets to aid liver health in pets - manufactured in UK

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Why We Love It

Affordable liver support for dogs.
Supports liver cell regeneration.
Detoxifies with natural antioxidants.

Main Highlights

Dogs like humans can suffer liver damage - vets prescribe products the same as Hepatic Boost but at vastly inflated prices to make higher profits
Hepatic Boost helps support the regeneration of liver cells
SAMe is a natural ingredient produced by dogs but if the liver is damaged the process slows. SAMe has strong antioxidant properties and has a detoxifying effect on the liver.
Silybin more commonly known as Milk Thistle is also an antioxidant which removes excess toxins and support chemicals in the body which control inflammation
Vitamins C & E work synergistically to relieve oxidative stress by absorbing free radicals reducing the amount of harmful toxins

Vet Expert Hepatiale Forte Advanced Liver Supplement for Dogs and Cats – 30 Tablets

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Why We Love It

Supports proper liver function.
Comprehensive liver health formula.
Veterinary recommended for pets.

Main Highlights

Supports Liver Function: Specifically formulated to support and maintain proper liver function in dogs and cats, this advanced dog liver supplement and cat liver supplement promotes overall liver health and vitality
Comprehensive Liver Health Formula: Contains essential ingredients like L-Glutamine, L-Arginine, soya bean extract, betaine, milk thistle extract, and zinc, all of which are crucial for pet liver support and to enhance liver function while protecting liver cells
Phospholipid Support with Lecithin: Derived from soya beans, lecithin is rich in phospholipids like phosphatidylcholine, essential for the structure and function of liver cells (hepatocytes). This key component of our pet liver support supplement is vital for maintaining liver health in both dogs and cats
Amino Acid Benefits: L-Arginine and L-Glutamine play critical roles in nitrogen metabolism and ammonia detoxification, supporting the liver's ability to process and eliminate toxins, making this an ideal dog liver supplement and cat liver supplement
Hepatoprotective Milk Thistle: Milk thistle extract, rich in silymarin, offers protective and stabilising effects on liver cells, along with strong antioxidant properties to combat free radicals, making it an essential part of any pet liver support regimen
Antioxidant and Detoxification Support: Betaine increases glutathione levels, aiding in cell protection against free radicals and supporting the liver's detoxification processes, ensuring comprehensive pet liver support
Zinc for Enzyme Function: Zinc is vital for numerous enzymatic reactions in the liver, including the metabolism of glucose and fats, and plays a role in stabilising cell structures, further enhancing the benefits of this dog liver supplement and cat liver supplement
Enhances Protein Synthesis: The combination of silymarin and phospholipids supports protein biosynthesis in liver cells, aiding in liver regeneration and function, making this supplement a key component of any pet liver support strategy
Veterinary Recommended: Trusted by veterinary professionals, this dog liver supplement and cat liver supplement is ideal for pets of all ages, providing essential liver support for long-term health and wellbeing

Sensible Pet Supplements 'Liver'. Supplement for dogs and cats supporting liver function. Contains Milk Thistle Extract. 90 sprinkle capsules.

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Why We Love It

Veterinary strength liver supplement.
Supports liver function naturally.
Includes vital antioxidants and vitamins.

Main Highlights

VETERINARY STRENGTH LIVER SUPPLEMENT. EXCELLENT VALUE.
The liver has an important function in an animals body and helps to clear the blood of toxins that would otherwise accumulate in the bloodstream.
The seeds of the Milk Thistle flower have been used as a herbal remedy for centuries. Some studies have suggested that milk thistle and in particular its main ingredient silymarin, can support liver function.
Sensible Supplements ‘Liver’ contains a concentrated source of the bioflavanoid complex, silymarin.
It also contains the natural anti-oxidant, alpha-lipoic acid and a complex of B vitamins which are important for a healthy liver.

NATURES PET - LIVEREASE – Milk Thistle for Dogs (120ml) | Liver Support, Detox & Antioxidant Protection | Rich in Silymarins, Beef, Liver & Bacon Flavour

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Why We Love It

Supports healthy liver function.
Rich in essential antioxidants.
Tasty flavor that dogs love.

Main Highlights

SUPPORT YOUR DOG'S LIVER HEALTH: LIVEREASE is specially formulated to support healthy liver function in dogs, helping your Canine friend thrive and enjoy a better quality of life. The mix of milk thistle, B vitamins, and alpha lipoic acid stimulates the liver's uptake and protein synthesis while acting as a powerful antioxidant.
RICH IN ANTIOXIDANTS: Milk Thistle Extract contains Silymarin flavonoids, which provides powerful antioxidants that help maintain a healthy balance of free radicals and supports liver cells from oxidative damage. Methionine, an ingredient that can be converted into glutathione, a strong antioxidant that further supports liver health.
SUPPORT HEALTHY DETOXIFICATION: A healthy liver is essential for normal elimination and metabolic processes. LiverEase supports your dog’s natural detoxification, ensuring they stay active and vibrant. Lecithin in the formula helps reduce the accumulation of fat within the liver by suspending it, maintaining a healthier liver. Not suitable for puppies under 12 weeks.
VITAL B VITAMINS REPLENISH & RESTORE: Rich in B1, B2, B6 & B12, this formula helps replace essential vitamins lost during liver stress, supporting overall well-being and energy levels. B vitamins in the supplement replace and provide essential nutrients while the liver is damaged, aiding in recovery and maintenance.
DELICIOUS BEEF, LIVER & BACON FLAVOUR: Your dog will love the tasty beef, liver, and bacon flavour, making it easy to administer while providing essential liver support. Shake well before use and follow the recommended dosage for optimal results. Give your cat the support they need with NATURES PET LIVEREASE. For best results, use daily for at least 4-6 weeks.

Vet Expert Hepatiale Advanced Liver Support Supplement for Large Dogs - Detoxifying and With Valerian Root– 40 Capsules

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Why We Love It

Supports liver function effectively.
Contains essential liver nutrients.
Recommended by veterinary professionals.

Main Highlights

Supports Liver Function: Specifically formulated to support and maintain proper liver function in dogs and cats, this advanced dog liver supplement and cat liver supplement promotes overall liver health and vitality
Comprehensive Liver Health Formula: Contains essential ingredients like L-Glutamine, L-Arginine, soya bean extract, betaine, milk thistle extract, and zinc, all of which are crucial for pet liver support and to enhance liver function while protecting liver cells.
Phospholipid Support with Lecithin: Derived from soya beans, lecithin is rich in phospholipids like phosphatidylcholine, essential for the structure and function of liver cells (hepatocytes). This key component of our pet liver support supplement is vital for maintaining liver health in both dogs and cats
Amino Acid Benefits: L-Arginine and L-Glutamine play critical roles in nitrogen metabolism and ammonia detoxification, supporting the liver's ability to process and eliminate toxins, making this an ideal dog liver supplement and cat liver supplement
Hepatoprotective Milk Thistle: Milk thistle extract, rich in silymarin, offers protective and stabilising effects on liver cells, along with strong antioxidant properties to combat free radicals, making it an essential part of any pet liver support regimen
Antioxidant and Detoxification Support: Betaine increases glutathione levels, aiding in cell protection against free radicals and supporting the liver's detoxification processes, ensuring comprehensive pet liver support.
Zinc for Enzyme Function: Zinc is vital for numerous enzymatic reactions in the liver, including the metabolism of glucose and fats, and plays a role in stabilising cell structures, further enhancing the benefits of this dog liver supplement and cat liver supplement.
Enhances Protein Synthesis: The combination of silymarin and phospholipids supports protein biosynthesis in liver cells, aiding in liver regeneration and function, making this supplement a key component of any pet liver support strategy
Veterinary Recommended: Trusted by veterinary professionals, this dog liver supplement and cat liver supplement is ideal for pets of all ages, providing essential liver support for long-term health and wellbeing

8.9

Excellent

We scanned 1660 products

We reviewed these offers relevant to the Liver Support Supplements For Dogs within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Pet Wellbeing, maxxipaws, Protexin, Broadreach Nature +, DORWEST HERBS, PetExx, Vet Expert, Sensible Supplements, Natures Pet, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Liver Support Supplements For Dogs in the market, we considered we took a deep dive into 8301 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Pet Wellbeing Milk Thistle for Dogs - Supports Liver Health, Healthy Detoxification, Antioxidant Support, Liver Cell Support, Silymarins - Veterinarian-Formulated Herbal Supplement - 4 oz (118 ml). We love many things about this product by Pet Wellbeing. What sets it apart from the competition is Improves pets' quality of life, Supports healthy liver function, Veterinarian-formulated and USA-made.
The best value product for most shoppers and where user satisfaction is continuously the highest is maxxipaws maxxiSAMe Advanced SAM-e Powder Supplement - Liver, Cognitive & Joint Support for Dogs, 150g by maxxipaws based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Liver Support Supplements For Dogs and the best cost-to-value ratio is Denamarin for Medium Dogs Tablet 225 mg, Pack of 30 Tabletsat Protexin with a 31% discount.
Our list of the best Liver Support Supplements For Dogs is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Liver Support Supplements For Dogs in The UK

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We scanned 1660 products

We concluded that: