Spillers recently launched a new range of pelleted supplements that are palatable, specifically formulated for horses and low-to-no waste – and they’re all 15% off right now. If you’re looking to save money and stock up on supplements, this Prime Day (8–11 July) is the discount event for you and we’ve picked this deal out as one of the best Amazon Prime Day discounts for equestrians.
Spillers supplements deals: the full range at 15% off
Spillers Hoof Health Supplement 3kg | 15% off at Amazon
Was £35.99 Now £30.59
This pelleted supplement is ideal for horses with slow hoof growth, brittle, dry or cracked hooves. With a high biotin formula that supports your equine’s overall hoof quality.
Spillers Ulca Ease Supplement 3kg | 15% off at Amazon
Was £49.99 Now £42.49
Ideal for horses prone to developing gastric ulcers, this gut supplement provides targeted gastric support to help maintain a healthy stomach lining as part of a suitable diet.
Spillers Ventil-ate Respiratory Supplement 3kg | 15% off at Amazon
Was £48.99 Now £41.64
Whether your horse is sensitive to pollen, travelling regularly, or is stabled regularly, Spillers’ scientifically proven formula supports equine respiratory health.
Spillers Instant Energy Supplement 3kg | 15% off at Amazon
Was £46.99 Now £39.94
Whether your horse needs extra sparkle or increased focus for training sessions or competitions, this equine energy booster is designed help them sustain peak performance.
Spillers Calm Supplement 3kg | 15% off at Amazon
Was £48.99 Now £41.64
If your horse is nervous, spooky or excitable, this calmer is a specially designed formula with a rich blend of calming ingredients and high levels of magnesium yeast to support behaviour.
Spillers Flex Joint Supplement 3kg | 15% off at Amazon
Was £48.99 Now £41.64
Made for ageing horses or those competing. Spillers’ Flex supplement is packed with MSM, chondroitin sulphate and glucosamine to support joint health.
There are six supplements across the new range to support horses in myriad ways. Crafted alongside veterinary and nutrition experts, the pellets come in 30%-recycled packaging and have fully traceable ingredients.
What’s more, I also really like that the bag includes a handy pop-up scoop for easy measuring out. Reviewers also noted that they especially like the range’s palatability and Spillers’ speedy delivery times.
Breaking down the savings
The entire range currently has 15% off at Amazon and each bag has 30 days’ supply for a 500kg horse.
Pricing varies across the range, and the highest-cost supplement is Ulca Ease. At an RRP of £49.99, it costs £1.67 per day. With 15% off for Prime Day, Spillers supplements deals means a tub costs £42.49. Consequently, that daily cost falls to £1.42.
- To stay up to date with all the breaking news from major shows throughout 2025, subscribe to the Horse & Hound website
You may also be interested in:
The best Amazon Prime Day equestrian deals 2025 have landed!
Supplements to help joints keep working at their best: what’s on the market?
Skin and coat supplements: what’s on the market?
10 ‘instant’ calmers that offer quick action
Subscribe to Horse & Hound magazine today – and enjoy unlimited website access all year round
