MSM for dogs - Pure Distilled
- Made in the UK with human-grade ingredients
- Free delivery on orders over £54.95
- Subscribe: 50% off your first month, then 10% off every order
Experience the highest quality joint health support with Winston and Porter's 99.9% pure distilled MSM!
Enjoy the many health benefits it provides with its organic sulphur compound and anti-inflammatory properties.
Keep your pet feeling its best with our pharma and human grade MSM!
A 5ml plastic scoop is provided in the pouch to measure out the correct dosage. A level scoop is approximately 4.5 g
Sprinkle on food and mix in or add to water to dissolve
Suggested dosage for your dog:
Small dog (0-15 kg) - 4.5g per day
Medium dog (15 - 40 kg) - 6.5g per day
Large dog (40 kg +) - 13g per day
**NOTE FOR COMPETITION DOGS (Greyhounds, Sheep Dogs, Flyball, Sled Dogs, Agility, Gun Dogs etc.)**
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) Guideline
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.
Fast, tracked delivery from our base in Northallerton. Order before 12:30pm Monday to Friday and we’ll dispatch the same working day.
Shipping charges
Our shipping charges are calculated automatically at the cart stage based on the delivery method selected, parcel weight and destination.
We work closely with our courier partners to keep delivery costs as fair and competitive as possible. Shipping charges reflect the actual cost of delivery and handling.
Delivery partners and services
We primarily use Royal Mail Tracked and DPD. Depending on parcel size, weight or destination, orders may be shipped using an alternative courier.
Royal Mail Tracked services (UK)
| Service | Estimated delivery | Description |
|---|---|---|
| Tracked 24 | Next business day* | Express UK delivery |
| Tracked 24 (Signature) | Next business day* | Express UK delivery with signature |
| Tracked 48 | 1–2 business days* | Standard UK delivery |
| Tracked 48 (Signature) | 1–2 business days* | Standard UK delivery with signature |
*Royal Mail delivery times are estimates only and are not guaranteed next-day services.
Order cut-off times
- Orders placed before 12:30pm (Monday–Friday) are processed and dispatched the same working day.
- Orders placed after 12:30pm may be dispatched the following working day.
- Orders placed on weekends or public holidays are processed on the next working day.
Next day delivery and weekends
- Orders placed for next day delivery after 12:00pm on Friday, or on Saturday or Sunday, will be dispatched on Monday.
- Orders placed before 12:00pm on Friday for next day delivery will be dispatched on Friday but may not arrive until Monday.
Free UK delivery
Free standard delivery is available on orders over £54.95 to England, Scotland and Wales. This is applied automatically at checkout where eligible.
- Scottish Highlands & Islands: free only if the parcel weighs under 2kg (see below).
- Not available to Northern Ireland, the Channel Islands, the Isle of Man or international destinations. Delivery charges for these areas are shown at checkout.
Scottish Highlands & Islands
Next day delivery is not available to the following areas. These orders are sent using Royal Mail Tracked services (not guaranteed next day).
- Scottish Highlands & Islands
- Isle of Man
- Channel Islands
- International destinations
Highlands & Islands postcodes include (but are not limited to)
Free delivery to the Highlands & Islands
- Orders over £54.95 qualify for free delivery only if the parcel weighs under 2kg.
- Orders over 2kg will incur a delivery charge, even if the order value is over £54.95.
Safe places and delivery responsibility
If you request delivery to a safe place or a neighbour, this is done entirely at your own risk. Winston & Porter cannot accept responsibility for parcels that are lost, stolen or damaged after being left in a location you have specified.
Please add any delivery instructions at checkout in the “Add notes to seller” section (for example “With neighbour” or “In shed”).
Delays and courier issues
Once an order has been dispatched, delivery is the responsibility of the courier. We will always help to resolve delivery issues, but we cannot be held liable for delays caused by courier services, weather conditions or circumstances beyond our control.
International shipping
Customers are responsible for making sure the items they order comply with their country’s import regulations.
- 🇺🇸 USA: we send with Royal Mail International Tracked, and your shipping cost already includes all customs taxes and handling fees. No surprise charges on delivery, just the price you see at checkout.
- 🇦🇺 Australia: import taxes, customs duties and handling fees are not included in the shipping cost. These are charged separately on arrival and are payable by the recipient.
- For all other international destinations, customs fees, duties and taxes are the responsibility of the customer.
- If customs reject or return an item, original shipping charges are non-refundable.
- Returned international orders may be refunded for the product cost only, excluding shipping, or re-shipped at additional cost.
Need help with delivery?
If you’re unsure about shipping costs or delivery options, get in touch before placing your order and we’ll be happy to help.
Call us on 01609 770 849 or email info@winstonandporter.com and we'll help you pick the right supplement.
