Muscle Support for Active Horses

A horse engaged in barrel racing.
A horse engaged in barrel racing. Custom Photography Designs

Newsdate: Monday, March 25, 2019, 11:30 am
Location: BLISSFIELD, Michigan

Acetyl-L-Carnitine – The powerful, versatile nutrient you never heard of

Horses pulling a carriage.

Horses pulling a carriage

Horses can obviously make enough L-carnitine to survive as a species, but supplies may not be optimal for muscular demands.
© 2016 by Margo Harrison

Acetyl-L-carnitine is a metabolite of L-carnitine, derived from the amino acid L-lysine in a series of reactions which require cofactors of methionine, zinc, iron, vitamin C, niacin and vitamin B6. It is synthesized in the horse's liver, kidney and brain. Carnivores and omnivores have a rich dietary source of carnitine from animal products, but herbivores like horses must make their own supply.

Since there's none in their diet, horses can obviously make enough L-carnitine to survive as a species, but supplies may not be optimal for muscular demands, especially since lysine and methionine are the two most commonly deficient amino acids.

L-carnitine is essential for the aerobic burning of fats because it acts as a carrier to bring the fatty acids across the mitochondria membrane. Only the volatile fatty acid acetate and the medium chain triglycerides don't require the carnitine carrier.

In normal muscle metabolism, the acetyl-l-carnitine metabolite of L-carnitine naturally has even more important effects via activation of an enzyme called AMPK:

  • Helps directs glucose into energy pathways and away from storage as glycogen
  • Signals the cell to produce more mitochondria
  • Assists burning of fatty acids
  • Aids in inhibiting storage of fat
  • Encourages increased blood supply to muscle

This basically mimics the normal effect of exercise on muscle, which makes the muscle level of L-carnitine drop and the level of acetyl-L-carnitine significantly increase.

The well documented effects of L-carnitine and acetyl-L-carnitine make it a logical possibility as a supplement for athletically active horses, but it goes beyond just theory.

Rivero et al [2002] showed support of the metabolic response to training with supplementation. Sato et al [2015] showed moderation of the serum muscle enzyme release that normally occurs in early training, and less exercise-related muscle pain when supplementation was paired with the antioxidant astaxanthin.

Acetyl-L-carnitine is also well documented to protect the myelin sheath surrounding nerve axons and to help preserve normal sensory nerve function. In addition, acetyl-L-carnitine is important for normal semen quality.

L-carnitine and acetyl-L-carnitine can be interconverted by the body. When you supplement one form, the other form also increases, but higher levels will be achieved of the one supplemented.

Horses have been supplemented with dosages ranging from 10 to 100 mg/kg.  An easy to remember dosage that was used successfully in the Rivero study is 1 gram/100 lbs of body weight.

Acetyl-L-carnitine is a white crystalline solid that resembles snow. It has a mild odor similar to vinegar. Humans react differently to the taste. To me, it is "tart." Horses very rarely object to having it added to their feed. Side effects are extremely rare. Mild bloating has been reported on occasion and disappears by splitting the daily dose between two meals.

Consider supplementation for stallions, horses just starting a training program, and horses that may benefit from muscle or nerve support.

Uckele Health & Nutrition, maker of CocoSoya®, offers supplements that promote muscle support.

DL-Methionine is highly concentrated source of the essential amino acid that supports the health and integrity of the body proteins, joints, tendons, ligaments and other connective tissues.  Also promotes healthy liver function and detoxification.

L-Lysine is the most commonly deficient amino acid in the equine diet important for the maintenance of healthy muscle bulk. Lysine is required to manufacture L-Carnitine, a carrier required to burn fat for energy and an important component of collagen, the major protein in connective tissue.

Acetyl-L-Carnitine supports efficient energy generation, normal muscular relaxation, and nerve cell production during aerobic activity. Important for generating energy from fats by acting as a carrier to transport them into the mitochondria where they can be burned as an energy source.

Glycocemic EQ provides supports blood sugar levels within normal ranges.  Targeted ingredients also promote balanced immune and thyroid function, normal glucose metabolism, healthy nerve function, and proper insulin sensitivity.  Promotes healthy insulin levels by providing nutrient levels that are compatible with a wide variety of diets and sources of hay.

U-Balance IR promotes healthy blood sugar levels by supporting glandular, muscular and liver function.  Minerals, botanicals, metabolites, and antioxidants support the function of blood sugar receptors, the transport of glucose and fats into cells, and their efficient metabolism for fuel.

About Dr. Kellon

Dr. Eleanor Kellon, staff veterinary specialist for Uckele Health & Nutrition, is an established authority in the field of equine nutrition for over 30 years, and a founding member and leader of the Equine Cushings and Insulin Resistance (ECIR) group, whose mission is to improve the welfare of horses with metabolic disorders via integration of research and real-life clinical experience.  Prevention of laminitis is the ultimate goal.  www.ecirhorse.org

Uckele Health & Nutrition, maker of CocoSoya, is an innovation-driven health company committed to making people and their animals healthier.  On the leading edge of nutritional science and technology for over 50 years, Uckele formulates and manufactures a full spectrum of quality nutritional supplements incorporating the latest nutritional advances.  www.uckele.com


Press release provided by Susan Libby - Uckele Health

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