Max Strength Plus — Advanced Comfort & Mobility Porridge for Dogs

A gentle, highly effective daily joint support porridge with natural serrapeptase for dogs experiencing stiffness, tenderness, or reduced mobility.

Max Strength Plus builds on the powerful formula of Max Strength, with the added benefit of Serrapeptase — a natural proteolytic enzyme known for supporting comfortable movement and helping to soothe stiff or tender joints. Ideal for dogs who need a little extra help staying active, mobile, and able to enjoy daily life comfortably.

Formulated to support cartilage health, ligament strength, joint lubrication, and general well being from the inside out.

See our blog here on 👉

Supporting Joint Health and Mobility From Puppy to Senior (Dogs) and Pasture to Performance (Horses)

🐕 BEST DOG JOINT SUPPLEMENTS UK (2026 COMPLETE GUIDE)

🐾 Ideal For

Dogs experiencing stiffness, restlessness, or difficulty getting moving
Sports & performance dogs needing enhanced recovery
Working dogs under high physical demand
Dogs at risk of joint issues in later life
Older dogs who need gentle, natural mobility support

🌿 Why Serrapeptase?

Serrapeptase is a natural enzyme, originally derived from silk worms, that supports the body’s natural inflammatory response and helps maintain comfortable, fluid joint movement. It is widely used to gently soothe and ease stiffness, making daily activities more comfortable for your dog.

🌟 Benefits at a Glance

Helps soothe stiff or tender joints
Encourages comfortable, flexible movement
Supports healthy cartilage, tendons & ligaments
Promotes glossy skin & coat
Supports stamina, recovery & daily vitality
Complements all feeding types, including raw

🌍 Packaging

5kg and 10kg sizes are supplied in strong, recyclable brown paper sacks
Refurbished resealable tubs available (fully sanitised, eco-friendly option)

🌾 GLUTEN & WHEAT FREE

Gentle on digestion • Suitable for daily, long-term use • Ideal for sensitive dogs

Did you know? Some of our customers successfully claimed for this supplement through their Petplan policy! Link here >>>> https://winstonandporter.com/collections/could-you-claim-winston-porter-supplements-on-your-pet-insurance

Ingredients

Vitamin A (Retinol)	6096iu
Vitamin B1 (Thiamin)	2.13mg
Vitamin B2 (Riboflavin)	1.3mg
Vitamin B5 (Pantothenic Acid)	1.38mg
Vitamin B6 (Pyridoxine)	1.13mcg
Vitamin B7 (Biotin)	7.83mcg
Vitamin B12 (Cobalamin)	1.78ug
Vitamin C (Ascorbic Acid)	1564iu
Vitamin D	35.86iu
Vitamin E	33.6mcg
Vitamin K	1.38mg
Alanine	460.3mg
Arginine	707mg
Calcium	142.75mg
Choline	38.4mg
Chromium	0.32mg
Copper	8.125mg
Cystine	320.95mg
Folate	19.66mg
Glutamic Acid	2174mg
Glycine	472.14mg
Hisidine	245.33mg
Iron	23.54
Iodine	0.037mg
Niacin	0.82mg
Nucleotide Monophosphates	8mg
Isoleucine	451.23mg
Ieucine	829.3mg
Lysine	597.5mg
Magnesium	89.74mg
Manganese	18.5mg
Methioine	172.91mg
MSM (Methyl-Sulfonyl-Methane)	1000mg
Nicotinic Acid	0.9mg
Omega 3	1308.2mg
Omega 6	1725.5mg
Phosphorus	404.94mg
Pro biotic (Lactobillus Acidophillus and Bifido Bacterium)	1.4billion
CFU Pre Biotic (Ogliosaccharides)	101.4mg
Potassium	132.6mg
Selenium	19.98ug
Tryptophan	180.7mg
Threonine	354.9mg
Tyrosine	330.97mg
Valine	603.29mg
Zinc	8.32mg
Chondroitin Sulphate	1200mg
Glucosamine HCL	1000mg

Hyaluronic Acid................................................................................. 300mg

Serrapeptase............................. 250,000IU 75mg

📏 Daily Feeding Guidelines

Dog Size	Scoop per Day	Approx. Grams
Small (0–15kg)	½ scoop	~20g
Medium (15–40kg)	1 level scoop	~40g
Large (40kg+)	1 heaped scoop	~60g

Optional Loading Phase (Recommended):
Double the daily amount for the first 7 days when starting Nourish + C.
This helps support faster visible results.

Tip: Mix with warm water to make porridge, or simply stir into wet food.
Can also be sprinkled over wet OR dry food.

**All containers contain a 75 ml scoop to use for dosage levels. If you do not wish to receive a scoop on your future purchases please say in the Notes section at checkout

All of our containers, scoops and packaging are recycle able and we re use boxes and packaging as much as we can to reduce our carbon footprint**

Please Note: 30 Days supply is based on a daily maintenance measure recommended above dependent on the size of your dog, so lower measured amounts will last longer than 30 days and higher measured amounts will last less than 30 days.

5kg and 10kg are sent in strong brown paper sacks.

These quantities are all daily amounts:

Contraindications:
Do not use if your dog or horse has a known allergy, hypersensitivity, or intolerance to any of the listed ingredients.

Adverse Reactions:
In the unlikely event that your dog or horse becomes unwell after taking this supplement, discontinue use immediately and seek advice from a qualified veterinarian.

⚠️Important Information:
This product is a nutritional supplement and is not intended to diagnose, treat, cure, or prevent any disease. No guarantee of prevention or recovery is implied. Any references to studies or published evidence are provided for general information only and should not replace professional veterinary advice.

🏆 Safe for Working & Competition Dogs

Contains no banned substances. Suitable for all competitive disciplines.

All the ingredients in our products are NATURAL and in no way contain Prohibited Substances. Also, none of our ingredients are banned by the following bodies:

Great Britain Greyhound Board (GBGB) and Irish Greyhound Board (IGB)

The International Sheep Dog Society (ISDS)

British Flyball Association (BFA),

International Federation of Sleddog Sports (IFSS)
The British Kennel Club,

UK Agility (UKA),

The British Association of Shooting and Conservation (BASC)

All our products are developed within the European Pet Industry Federation (FEDIAF) and the National Research Council's (NRC) Guidelines

Unfortunately we are unable to offer NEXT DAY DELIVERY to Scottish Highlands and Islands, Isle of Man, Channel Islands and International.

Could You Claim Winston & Porter Supplements on Your Pet Insurance?

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