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Mega Dose

Mega Dose is the game-changing equine digestive supplement that combines the powerhouse of Horse Guard's complete vitamin-mineral-probiotic package with Hoof Guard's complete hoof supplement in one easy and convenient 4-ounce-a-day serving. This professional-grade supplement is specially designed to support your horse's gut health, promoting optimal digestive function and overall wellness. With its expert blend of essential vitamins and minerals, this supplement also helps to maintain healthy hooves, ensuring your horse stays on top of their game. Trust Mega Dose to give your horse the complete digestive and hoof support they need to thrive.

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 Mega Dose How many horses will you be feeding Mega Dose?

**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


“Horse Guard does wonders for horses of all sizes! I love it for my two minis and have seen definite improvement after starting to use it this summer!”

Ardie, from Idaho

“Love this product. Cost effective and don’t have to make baggies for my people feeding. 3 in 1! Vitamin and mineral package + complete hoof and hair supplement + a complete pre and probiotic supplement!

Jessie from California

  • Mega Dose - the ultimate digestive and hoof supplement in combination with a vitamin-mineral package for your horse.

    If you're looking for a high-quality product that offers a range of benefits, then Mega Dose is the perfect solution for you. This innovative supplement is specifically designed to support your horse's digestive health while also promoting healthy hooves. Here's what makes Mega Dose stand out from the rest:


  • - Complete Vitamin-Mineral-Probiotic Package: Mega Dose contains the complete vitamin-mineral-probiotic package of Horse Guard, which is formulated to support your horse's immune system, digestive health, and overall well-being. Our unique blend of probiotics and live yeast cultures promotes healthy gut bacteria, which can help reduce the risk of digestive issues.

    - Complete Hoof Supplement: Mega Dose also includes the complete hoof supplement of Hoof Guard, which contains essential nutrients like biotin, zinc, and methionine, that help promote strong and healthy hooves. This ensures that your horse's hooves are protected from the wear and tear of daily activities.

    - Easy to Use: Mega Dose is incredibly easy to administer, with just a 4-ounce serving per day. This means that you can enjoy peace of mind knowing that your horse is getting the essential nutrients it needs, without any hassle.

    - High-Quality Ingredients: We use only the highest quality ingredients in our supplements, ensuring that your horse receives the best possible care. Our ingredients are carefully sourced and scientifically proven to provide the maximum benefit to your horse.

    If you want to ensure that your horse is in top condition, then Mega Dose is the product you've been looking for. With its complete vitamin-mineral-probiotic package and hoof supplement, it's the perfect solution for maintaining your horse's overall health and well-being.

Guaranteed Analysis per Pound:

Lysine...(.5%) 2,500 mg Methionine ... (.5%) 2,500 mg
Vitamin A 20,000 IU Phosphorus-P...(.5%) 1440 mg
Vitamin D3 16,000 IU Iron - FE 400 mg
Vitamin E 6,000 IU Copper - CU 60 mg
Vitamin B1 (Thiamine) 50 mg Magnesium - Mg ...(0.1% 700 mg
Vitamin B2 (Riboflavin) 88 mg Manganese - MN ...(0.1%) 700 mg
Vitamin B6 (Pyridoxine) 60 mg Zinc - ZN ...(0.17%) 800 mg
Vitamin B12 300 mcg Iodine - I ...(.003%) 8 mg
Vitamin C 510 mg Selenium - SE...(.005%) 12 mg
Folic Acid 8,000 mcg Cobalt - CO ...(.005%) 12 mg
Pantothenic Acid 80 mg Yeast Culture...(1.25%) 5,675 mg
Choline Chloride 500 mg Saccharomyces cerevisiae
Biotin 128 mg Bacterial Inoculant
Bacillus Subtilis
Bacillus Lichenformis
min- 250millionCFUS
Calcium...(.5% to 1%) 2,800 mg




Corn Flour and Wheat Mill Run, dl Methionine, Lysine, Selenium Yeast, Yeast Culture, Saccharomyces cerevisiae, Vitamin A Acetate, Vitamin D3, Vitamin E, Vitamin B12 , Riboflavin (Vitamin B2, Thiamine Mononitrate (Vitamin B1), Pyrodoxine Hydrochloride (Vitamin B6), Ascorbic Acid (Vitamin C), Folic Acid, d-Calcium Panthenate, Choline Chloride, D-Biotin,Magnesium Proteinate, Copper Proteinate,Monocalcium/Dicalcium phosphate, Ferrous Sulfate, Iron proteinate, , Manganous oxide, Manganese Proteinate, Zinc ulfate, Zinc proteinate, Ethylenediamine Diahydiodide, Cobalt sulfate, Cobalt proteinate, Live Bacterial Inoculant, Bacillus subtilis, Bacillus Lichenformis

Feed 4 ounces per day, per 1,000 lbs. Serving size is determined on equine's weight.

Each bag includes an appox 4 ounce scoop, which is the recommended daily serving for the average 1,000 lb equine.

To determine what size product you would like, consider the weight of your equine and the number of equine you will be feeding.

Example: A 10 lb bag has 40 servings for a 1,000 lb equine OR 80 servings for a 500 lb equine.

*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

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