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Ester-C® - Feed Ingredient
Ester-C® is a patented form of vitamin C consisting primarily of calcium ascorbate, along with small amounts of vitamin C metabolites such as dehydroascorbate and calcium threonate. It is formulated to be non-acidic and gentler on the stomach compared to standard ascorbic acid.
In equine nutrition, Ester-C® is used as a stable, buffered source of vitamin C. While most horses synthesize adequate vitamin C in their liver, supplementation may be considered for older horses, those under stress, or with compromised immune function.
The following equine feeds, supplements and products contain Ester-C® as an ingredient.
Feeds, Supplements & Products
4-In-1 (Meal) (MVP)
4-In-1 by MVP is a premixed supplement for horses to that intends to support joint function, hoof growth, hair coat and digestive function. It contains glucosamine, chondroitin sulphate, biotin, omega 3 & 6, and probiotics.
4-In-1 H/A Joint Supplement (MVP)
4-In-1 H/A Joint Supplement by MVP is a pelleted supplement that combines vitamins, minerals, and probiotics. It intends to support joint function, hoof growth, hair coat, and digestive system.
5-In-1 H/A (MVP)
5-In-1 H/A by MVP is a pelleted supplement for horses that intends to help support joint function. It is palatable with apple flavouring and contains glucosamine, hyaluronic acid, chondroitin sulphate, and MSM.
Aller-Cease (Peak Performance Nutrients)
Aller-Cease by Peak Performance Nutrients is meant to support the respiratory system. This supplement is intended for horses with seasonal allergies or dust sensitivities.
E-Clipse’PM Pellets (MVP)
E-Clipse'PM Pellets by MVP is a supplement for horses that provides antioxidants. It contains B vitamins that intend to help support normal neurological function.
Ester-C (Peak Performance Nutrients)
Ester-C by Peak Performance Nutrients is a supplement containing a non-acidic form of Vitamin C that is meant to be easy on the stomach. Vitamin C is intended to provide additional immune system support.
Ester-C (Pure) (MVP)
Ester-C by MVP is a powdered supplement for horses made of pure vitamin C that intends to support the immune system. Vitamin C is an antioxidant that may promote collagen synthesis and reduces oxidative stress.
Glucosamine XL Plus w/MSM (MVP)
Glucosamine XL Plus w/MSM by MVP is a pelleted supplement for horses that intends to support joint function. It contains ingredients such as glucosamine, MSM, and Ester-C®.
Glucosamine XL Plus w/MSM Pellets (Med-Vet Pharmaceuticals)
Glucosamine XL Plus w/MSM Pellets is a joint supplement for horses containing MSM, glucosamine sulphate, and vitamin C meant to support healthy joint function
Joint Renew II (Peak Performance Nutrients)
Joint Renew II by Peak Performance Nutrients is a supplement meant to support cartilage and joints. It contains glucosamine and other minerals intended to support healthy joints and flexibility.
MSM+Ester-C Pellets (MVP)
MSM+Ester-C Pellets by MVP is a supplement for horses that intends to support connective tissue and ease discomfort. It contains ingredients such as MSM and Ester-C®.
MVP Matrix 5+ H/A Pellets (MVP)
MVP Matrix 5+ H/A Pellets by MVP is a supplement for horses that intends to help support joint function. It is palatable with apple flavouring and contains glucosamine, hyaluronic acid, chondroitin sulphate, and MSM.
Re-Inforcer EQ (MVP)
Re-Inforcer EQ by MVP is a pelleted supplement that intends to support joints, cartilage and connective tissue. It contains zinc, manganese and copper that intends to provide antioxidant support.
Senior-Flex H/A (MVP)
Senior-Flex H/A by MVP is a pelleted supplement that contains hyaluronic acid, glucosamine, chondroitin sulphate, and MSM that intend to support joint function.
Senior-Flex Meal (MVP)
Senior-Flex Meal by MVP is a premixed supplement that contains hyaluronic acid, glucosamine, chondroitin sulphate, and MSM that intends to support joint function. It also includes probiotics that intend to help support the digestive process.
Tie Up Event Pak (Peak Performance Nutrients)
Tie Up Event Pak by Peak Performance Nutrients is a sodium-bicarbonate-free powdered supplement that supports proper electrolyte balance and excess lactic acid buildup. It contains nutrients such as potassium, magnesium, and thiamine.
Vitamin E, Selenium and Zinc (Peak Performance Nutrients)
Vitamin E, Selenium & Zinc by Peak Performance Nutrients is a powdered vitamin and mineral horse supplement containing antioxidants to help protect against free radical damage and support the immune system and cellular health.



















