Magnesium Chloride - Feed Ingredient

Magnesium chloride is an inorganic compound composed of magnesium and chlorine, typically found in the hexahydrate form (MgCl₂·6H₂O) when used in feed applications. It is highly soluble in water and is often derived from natural brine sources or seawater through evaporation processes.

In equine nutrition, magnesium chloride is used as a supplemental source of magnesium, an essential macro-mineral involved in neuromuscular function, enzyme activity, and energy metabolism. Magnesium plays a key role in muscle contraction and relaxation, and its adequacy is important for normal nerve transmission and cardiovascular health.

Magnesium chloride is valued for its high bioavailability and rapid absorption when compared to some other magnesium salts. It may be used in pelleted feeds, top-dress supplements, or electrolyte blends. Excessive intake can lead to soft stools or diarrhea, so inclusion rates should be carefully managed based on the horse’s total dietary magnesium intake and physiological needs.

The following equine feeds, supplements and products contain Magnesium Chloride as an ingredient.

Feed Name	Brand	ID	Availability	Format	Protein	Fat	ADF	NDF	NSC	DE	Lysine	Calcium	Phosphorus	Magnesium	Potassium	Sodium	Chloride	Iron	Zinc	Copper	Selenium	Biotin	Vitamin E
ABC's Fortified G. R. P.	Advanced Biological Concepts	529544		--	11.1%	3.3%	30%	35%	--	3.29 mcal/kg	0%	6.7%	2.2%	--	--	--	--	--	1444.4 ppm	555.6 ppm	2.2 ppm	--	9777.8 KIU
ABC's Fortified Equine Supplement	Advanced Biological Concepts	469556		Pelleted	11.11%	3.33%	30%	35%	--	3.29 mcal/kg	0%	6.11%	2.22%	--	--	--	--	--	1444 ppm	555.56 ppm	2.22 ppm	--	9798.31 KIU
ABC's Rush Creek 1:1 Mineral	Advanced Biological Concepts	529545		--	--	0%	30%	35%	--	2.5 mcal/kg	--	10%	7.8%	--	--	--	--	--	1666.7 ppm	333.3 ppm	--	--	855.6 KIU
AccuLytes Electrolyte Supplement	Vita Flex	71884		Powdered	--	--	--	--	--	--	--	1.29%	--	0.49%	10.97%	7396%	11105 ppm	--	--	--	--	--	--
Duralyte	Hestevard	1019104	--	Liquid	1.1%	1.1%	0.6%	2%	--	2.68 mcal/kg	--	1.5%	--	0.8%	4.8%	9.56%	16.7 ppm	--	--	--	--	--	--
Easy Breathing Liquid	NAF Equine	529896		--	4.21%	5.26%	0.66%	1.83%	--	4.21 mcal/kg	--	--	--	--	--	0.26%	--	--	--	--	--	--	--
Excell E	Equistro	401667		Liquid	27.23%	25.53%	3.99%	4.99%	--	4.19 mcal/kg	70.1%	--	--	4.15%	--	3.4%	--	--	--	--	48.94 ppm	--	223702.13 KIU
Hoof Organic	Advanced Biological Concepts	584173		Pelleted	11.6%	4.7%	18.8%	28.8%	--	1.13 mcal/kg	--	5.8%	0.53%	--	--	--	--	--	1052.6 ppm	526.3 ppm	--	232.1 ppm	--
Instant Magic	NAF Equine	529919		Paste	1.9%	1.09%	0.14%	0.38%	--	3.3 mcal/kg	--	--	--	--	--	0.27%	--	--	--	--	--	--	--
Karma: Liquid Calming Supplement	Blue Chip Feed	529826		Liquid	5%	--	--	--	--	0 mcal/kg	--	--	--	25.02%	--	0.11%	74.22 ppm	--	--	--	--	--	--
Liquid Electro Lytes	NAF Equine	529914		Liquid	1.96%	0.98%	0.41%	1.14%	--	2.91 mcal/kg	--	0.14%	--	1.2%	2.18%	8.62%	18.24 ppm	--	--	--	--	--	--
LMF California Complete	LMF Horse Feeds	401689		Pelleted	15.73%	4.83%	28.6%	38.6%	--	2.81 mcal/kg	5.36%	1.01%	0.67%	--	--	--	--	--	61.8 ppm	28.09 ppm	0.22 ppm	--	37.16 KIU
LMF Pro-Pellet	LMF Horse Feeds	401687		Pelleted	13.48%	3.71%	32.31%	42.31%	--	2.69 mcal/kg	5.84%	1.24%	0.51%	--	--	--	--	--	101.12 ppm	33.71 ppm	0.34 ppm	--	61.93 KIU
LMF Senior	LMF Horse Feeds	1187236		Pelleted	15.56%	4.44%	25.56%	37.78%	--	2.86 mcal/kg	--	0.78%	0.5%	--	--	--	--	--	100 ppm	33.33 ppm	0.33 ppm	--	122.48 KIU
Magic Liquid	NAF Equine	529918		Liquid	6.67%	4.07%	0.14%	0.38%	--	3.36 mcal/kg	--	--	--	--	--	0.3%	--	--	--	--	--	--	--
Magnequin	Hestevard	1019197	--	Liquid	1.5%	3%	0.4%	1.2%	--	2.34 mcal/kg	--	5.1%	--	12.3%	--	0.88%	--	--	--	--	--	--	--
Magnesium Chloride		71603		--	0%	0%	0%	0%	0%	0 mcal/kg	0%	0%	0%	11.96%	0%	0%	34.9 ppm	0 ppm	0 ppm	0 ppm	0 ppm	0 ppm	0 KIU
Metabolic Miracle	Aterak Nutrition	500143		Textured	15.56%	18.89%	30.56%	40.56%	--	4.03 mcal/kg	--	1.9%	0.6%	--	--	0.3%	0.5 ppm	--	177.8 ppm	66.7 ppm	0.7 ppm	--	244.4 KIU
Oestress Liquid	NAF Equine	529921		--	7.55%	2.83%	0.14%	0.38%	--	3.1 mcal/kg	--	--	--	--	--	0.28%	--	--	--	--	--	--	--
Perfect Balance Electrolite Paste	Peak Performance Nutrients	469335		Paste	--	--	--	0%	--	--	0%	1.6%	--	0.4%	10.1%	11.81%	30.2 ppm	--	181.9 ppm	155.8 ppm	--	--	--
Perk-A-Lyte Plus	Cox Vet Lab	469377	--	--	0%	0%	0%	0%	0%	--	0%	4.54%	0%	3.03%	11.11%	7.88%	12.32 ppm	707.07 ppm	222.22 ppm	63.63 ppm	0 ppm	--	0 KIU
Quench Lyte	Dominion Vet	1204913	--	Powdered	--	--	--	--	--	0 mcal/kg	--	--	--	--	--	--	--	--	--	--	--	--	--
RaceOn Muscle Power	NAF Equine	529956		Liquid	6.47%	2.65%	0.28%	0.76%	--	3.62 mcal/kg	89.09%	--	--	--	--	0.12%	--	--	6176.47 ppm	--	29.12 ppm	--	24500 KIU
RaceOn Rapid Recovery	NAF Equine	529955		Liquid	2.27%	0.68%	0.14%	0.38%	--	4.08 mcal/kg	--	3.85%	1.76%	--	--	0.05%	--	--	--	--	--	--	--
Recover	NAF Equine	529909		Liquid	12.27%	0.68%	0.29%	0.79%	--	3.99 mcal/kg	--	--	--	--	--	--	--	--	--	--	--	--	--
Recovery	Vita Flex	401486		--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Refuel Gel	Foran Equine	529734		--	--	--	--	--	--	--	--	0.3%	0%	0.09%	1.9%	12.1%	18.4 ppm	--	--	--	--	--	--
Refuel Liquid	Foran Equine	529735		Liquid	0.09%	0.09%	0.17%	0.46%	--	3.82 mcal/kg	--	0.3%	--	0.02%	0.49%	2.8%	5.4 ppm	--	--	--	--	--	--
Salt Lick Tub	Simple System Horse Feeds	529879		--	--	--	--	--	--	--	0%	--	--	2%	--	31.03%	42.58 ppm	--	--	--	--	--	--
SoyChlor	Landus Cooperative	408571		--	20.06%	1.5%	26.3%	34.51%	9.29%	2.53 mcal/kg	6.3%	5.17%	0.6%	3.23%	0.87%	0.03%	11.99 ppm	667.43 ppm	38.72 ppm	11.39 ppm	1 ppm	0 ppm	0 KIU
UN-LOCK Race Performance Powder	BRL Equine	71780		--	100%	--	--	--	--	0 mcal/kg	--	0.96%	--	0.3%	1.25%	1.14%	16 ppm	--	--	--	26.6 ppm	--	9901.6 KIU
vitaFerrin	NAF Equine	529912		--	6.56%	7.35%	0.92%	2.53%	--	2.94 mcal/kg	33.79%	--	--	--	--	0.96%	--	11029.41 ppm	38602.94 ppm	9338.24 ppm	72.79 ppm	147.06 ppm	91911.76 KIU

Feeds, Supplements & Products

ABC’s Fortified G. R. P. (Advanced Biological Concepts)

Health

Mineral Balance

Nutrition

Vitamins

ABC's Fortified G.R.P. by Advanced Biological Concepts is a supplement intended for horses and ponies of all ages and work levels. It contains 10% protein, 3% fat, and 17% fibre.

ABC’s Fortified Equine Supplement (Advanced Biological Concepts)

Health

Mineral Balance

Probiotic

Vitamins

ABC's Fortified Equine Supplement is a pelleted supplement that intends to be fed as a ration balancer for all life stages of horses. It contains vitamins, minerals, and probiotics for nutrient absorption.

Feed Additives Inorganic Minerals Minerals Vitamins

ABC’s Rush Creek 1:1 Mineral (Advanced Biological Concepts)

Health

Mineral Balance

Nutrition

Vitamins

ABC's Rush Creek 1:1 Mineral by Advance Biological Concepts is a free choice mineral supplement. It is intended for horses and ponies of all ages and work levels.

Commercial Feeds & Supplements Mineral Supplements Supplement Inorganic Minerals Minerals

AccuLytes Electrolyte Supplement (Vita Flex)

Electrolyte

Hydration

Recovery

Stamina

AccuLytes Electrolyte Supplement is an electrolyte powder that provides calcium, sodium, chloride, magnesium, potassium and dextrose. It is designed to replace minerals lost in sweat. Ideal for performance horses and horses exposed to extreme heat.

Commercial Feeds & Supplements Mineral Supplements Supplement Electrolyte Minerals

Duralyte (Hestevard)

Bone Health

Competition Horses

Electrolyte

Muscle

Duralyte by Hestevard is a liquid electrolyte supplement intended for all horse and pony types.

Supplement Electrolyte

Easy Breathing Liquid (NAF Equine)

Antioxidant

Exercise

Nutrients

Respiratory

Easy Breathing Liquid from NAF Equine is intended for all horses and ponies at any work level. This supplement contains anise seed, garlic, and magnesium which are meant to support the respiratory system.

Feed Additives Commercial Feeds & Supplements Respiratory Supplement

Excell E (Equistro)

Antioxidant

Metabolism

Nutrients

Vitamins

Excell E is a liquid equine supplement providing bioavailable vitamin E, lysine, magnesium, and organic selenium. It is intended to support muscle tissue in performance or leisure horses.

Feed Additives Amino Acid Supplements Minerals Vitamins

Hoof Organic (Advanced Biological Concepts)

Health

Hoof Health

Immunity

Vitamins

Hoof Organic from Advanced Biological Concepts is a pelleted hoof supplement for horses. Hoof Organic is fortified with trace minerals and biotin intended for hoof growth.

Hoof Supplement

Instant Magic (NAF Equine)

Calming

Competition Horses

Herb

Stress

Instant Magic from NAF Equine is formulated to support calming behaviors in horses and ponies. This supplement contains herbs such as Withania and hops.

Feed Additives Commercial Feeds & Supplements Calming Supplement

Karma: Liquid Calming Supplement (Blue Chip Feed)

Calming

Competition Horses

Performance

Stress

Karma: Liquid Calming Supplement from Blue Chip Feed is designed as a liquid calming supplement that contains water-soluble magnesium, tryptophan, and Niacin. This supplement is intended for performance horses and ponies.

Feed Additives Commercial Feeds & Supplements Calming Supplement

Liquid Electro Lytes (NAF Equine)

Competition Horses

Electrolyte

Health

Hydration

Liquid Electro Lytes from NAF Equine are meant to support rehydration in all horses and ponies. This supplement is intended to be given alongside fresh water.

Commercial Feeds & Supplements Electrolyte Minerals

LMF California Complete (LMF Horse Feeds)

Complete Feed

Mineral Balance

Nutrition

Vitamins

LMF California Complete is a pelleted feed formulated as an alternative to diets containing pure alfalfa hay. It contains highly digestible fibre from beet pulp, alfalfa hay and soyhulls.

Commercial Feeds & Supplements Feeds Protein Fiber

LMF Pro-Pellet (LMF Horse Feeds)

Complete Feed

Joints

Mineral Balance

Vitamins

LMF Pro-Pellet is a textured high-fiber feed for performance horses in moderate to heavy work. It contains 12% crude protein, and 3.3% fat, along with bio-available trace minerals, organic selenium, live yeast culture, and glucosamine.

Commercial Feeds & Supplements Feeds Protein Fiber

LMF Senior (LMF Horse Feeds)

Complete Feed

Fiber

Joints

Senior

LMF Senior is a pelleted complete feed for aged horses. It contains ingredients to support joint and gut health.

Commercial Feeds & Supplements Complete Feeds

Magic Liquid (NAF Equine)

Calming

Competition Horses

Performance

Stress

Magic Liquid from NAF Equine is intended to promote calming effects for all horses and ponies. This supplement contains magnesium, which is meant to regulate the muscular and nervous systems.

Feed Additives Commercial Feeds & Supplements Calming Supplement

Magnequin (Hestevard)

Amino Acid

Calming

Health

Vitamins

Magnequin by Hestevard is a liquid supplement intended to support a healthy nervous system in all types of horses and ponies.

Supplement Calming Supplement

Magnesium Chloride

Calming

Electrolyte

Ingredient

Muscle

Magnesium Chloride is a form of magnesium salt that has a similar bioavailability in horses as magnesium oxide. It is not widely used as an equine supplement because it is not palatable to horses. To feed 10 grams of elemental magnesium, you would need to provide 62 grams of magnesium chloride.

Inorganic Minerals Minerals

Metabolic Miracle (Aterak Nutrition)

Grain Free

Metabolic Syndrome

Mineral Balance

Vitamins

Metabolic Miracle by Aterak Nutrition is a feed targeted toward horses or ponies with metabolic disorders (Cushing's, Founder, Laminitis). This feed contains the vitamins and minerals necessary to support a well-balanced diet and is high in fibre.

Commercial Feeds & Supplements Feeds Fat

Oestress Liquid (NAF Equine)

Calming

Herb

Mare

Stress

Oestress Liquid from NAF Equine is a horse supplement that is intended to balance hormones in mares. This liquid supplement contains magnesium, chaste tree berries, and cramp bark.

Hormone Supplement Feed Additives Commercial Feeds & Supplements Calming Supplement

Perfect Balance Electrolite Paste (Peak Performance Nutrients)

Electrolyte

Hydration

Performance

Recovery

Perfect Balance Electrolite Paste is an equine supplement containing vitamins and minerals to replenish the nutrients lost during intense exercise. It contains sodium chloride, potassium chloride, and calcium carbonate to supply the electrolytes lost.

Feed Additives Commercial Feeds & Supplements Minerals Vitamins

Perk-A-Lyte Plus (Cox Vet Lab)

Electrolyte

Hydration

Performance

Recovery

Perk-A-Lyte Plus from Cox Vet Lab is an electrolyte supplement intended for performance horses after exercise. Perk-A-Lyte Plus is intended to replenish electrolytes lost during exercise.

Feed Additives Commercial Feeds & Supplements Supplement

Quench Lyte (Dominion Vet)

Electrolyte

Health

Hydration

Recovery

Quench Lyte by Dominion Vet is a powdered electrolyte and trace mineral supplement. It is formulated with potassium, magnesium, calcium, and sodium.

Commercial Feeds & Supplements Supplement Electrolyte

RaceOn Muscle Power (NAF Equine)

Competition Horses

Muscle

Nutrients

Vitamins

RaceOn Muscle Power by NAF Equine is a liquid horse supplement that uses an amino acid formula intended to provide the building blocks for healthy muscle development. It is meant for muscle health and performance in racehorses.

Muscle Supplement Feed Additives Commercial Feeds & Supplements Supplement Minerals Vitamins

RaceOn Rapid Recovery (NAF Equine)

Competition Horses

Mineral Balance

Recovery

Vitamins

RaceOn Rapid Recovery by NAF Equine is a liquid horse supplement that is meant to provide an antioxidant complex that is intended to support the recovery process in racehorses.

Feed Additives Commercial Feeds & Supplements Minerals Vitamins

Recover (NAF Equine)

Antioxidant

Competition Horses

Nutrients

Recovery

Recover from NAF Equine is intended for performance horses and horses in heavy work. This supplement is meant to support recovery.

Feed Additives Commercial Feeds & Supplements

Recovery (Vita Flex)

Amino Acid

Electrolyte

Exercise

Recovery

Vita Flex Recovery is an equine supplement intended to support post-exercise recovery. It contains amino acids, B-vitamins, and electrolyte ingredients.

Feed Additives Commercial Feeds & Supplements Energy Sources Amino Acid Supplements Vitamins

Refuel Gel (Foran Equine)

Competition Horses

Electrolyte

Muscle

Performance

Refuel Gel from Foran Equine is intended for performance horses. This supplement is meant to support rehydration, protein use, energy use, and muscle recovery.

Feed Additives Commercial Feeds & Supplements Electrolyte

Refuel Liquid (Foran Equine)

Competition Horses

Electrolyte

Exercise

Recovery

Refuel Liquid from Foran Equine is intended for performance horses. This supplement is meant to support rehydration through the addition of electrolytes.

Feed Additives Commercial Feeds & Supplements Electrolyte

Salt Lick Tub (Simple System Horse Feeds)

Health

Immunity

Ingredient

Nutrition

Salt Lick Tub is a flexible tub providing horses with sodium and magnesium. Salt Lick Tub can be placed outside for horses to access free choice.

Commercial Feeds & Supplements Minerals

SoyChlor (Landus Cooperative)

Bone Health

Electrolyte

Ingredient

Mineral Balance

SoyChlor is a feed additive primarily used in dairy cattle. It is a source of chloride ions, and is used to balance dietary cation-anion difference (DCAD). SoyChlor also contains calcium and magnesium.

Protein

UN-LOCK Race Performance Powder (BRL Equine)

Amino Acid

Electrolyte

Exercise

Performance

UN-LOCK Equine Race Performance Powder is a muscle supplement containing branched-chain amino acids, vitamins, and electrolytes. It is a source of the amino acids L-valine, L-leucine, L-isoleucine, l-glutamine, L-arginine, and L-carnitine.

Feed Additives Commercial Feeds & Supplements Supplement

vitaFerrin (NAF Equine)

Mineral Balance

Nutrients

Performance

Vitamins

vitaFerrin from NAF Equine is intended for all horses and ponies at any level of work. This supplement is meant to support daily vitamin and mineral intake.

Feed Additives Commercial Feeds & Supplements Minerals Vitamins