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Essential Minerals

Essential Minerals is a free choice mineral supplement for horses at pasture who cannot be individually fed a top-dress supplement.

How long will this product last you?

  • See Feeding Directions tab below for more information on how to feed this product and what size is right for you.

Let us help you determine how often you need Essential Minerals How many horses will you be feeding Essential Minerals?

**Please call us if feeding more than 10 horses. 800.553.4246


How much approximately does each horse weigh?

Horse #1
250 lbs

Based on the information you have provided above, we have calculated how long this product will last you.

Size Day Supply

Please accept your size and day supply above, or if you would like to modify your options please do so below.

**These calculations are based on the product dosage and your horse(s) total weight.
Please see Feeding Instructions below for more information.

Choose a size

How often *Limit of 20-365 days


“During the summer I feed Horse Guard, but in the winter my horses are turned out and I can’t supplement everyday. To insure they still get their selenium and vitamins and minerals I make sure they have free choice Essential Minerals.”

Peggy, from Colorado

“We have a breeding facility and so most of the year our mares are turned out. Horse Guard is the only company that makes a decent free choice mineral mix that actually has decent levels of vitamin and minerals in it.”

Colleen, from Montana Smooth Quarter

Essential Minerals is a free-choice mineral supplement providing several important minerals, designed especially for horses in selenium deficient areas.


Selenium is extremely important for immunity and muscle function. In areas that are the selenium deficient, the horse owner must provide a source of selenium in order for the horses to receive adequate levels. The ideal method for the consumption of selenium is through the supplementation of organic selenium daily. However, daily supplementation is not practical for every horse owner. For those that can't supplement their horses on a daily basis the next best thing is a salt controlled free-choice mineral supplement. For these horse owners we have developed essential minerals. It provides 3 mg of selenium per day for the average horse that consumes 1 ounce of salt a day.


By allowing your horses free access to this product you will be providing your horses selenium, that will aid their immune system in fending off disease, and allowing their muscles to function properly.

Guaranteed Analysis Per pound:

Salt 90% 410 grams
Calcium Max.... 2.2% 10 grams
Calcium Min.... 1.6% 9 grams
Phosphorus 2% 9 grams
Magnesium 2.4 grams
Zinc 3.2g.=7040 ppm.
Manganese 2.8 grams
Iron 6.4 grams
Copper 2.4 g.=5280 ppm.
Iodine 32 mg.
Selenium 55 mg.=120ppm.
Cobalt 48 mg.



Salt, Mono-dical Phosphate, Iron Sulfate, Copper Sulfate, Zinc Sulfate, Manganous Oxide, Magnesium Oxide, Mineral Oil, Iron Oxide, Sugarmate, Sodium Selenite, Cobalt Carbonate, EDDI.
  • Feeding Instructions
  • Allow horses free access to this product. The formulation will limit consumption to approximately 1 ounce per day.

    The product is safe at 10 times that amount. If possible, protect the product from rainfall.

    *If ordering regularly, we recommend signing up for autoship and saving 5% on your first order and every recurring order.

    This product can be safely fed to pregnant or nursing mares, weanlings and older.

    2 year shelf life.

  • Customer Reviews

    Based on 3 reviews Write a review


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