Order within and have it by * in (edit)
Ship speed applies to in stock items, pending location. Does not include personalized items like engraving, embroidery, SmartPaks, or PortionPaks. Complete details on our Shipping Policies page.
SmartPaks help you take great care of your horse, so we take great care of you with SmartPerks! When you order your horse's supplements in SmartPaks, you're automatically* eligible for our FREE SmartPerks benefits, including:
  • Free ground shipping on what you want, when you want it
  • 10% off all Smartpak brand tack, apparel, and gear
  • A free Team SmartPak calendar, exclusive email offers and discounts, and more!
Learn more about SmartPerks
*At least one horse's individual SmartPaks must be over $40. Some exclusions apply.
Visit SmartPak.com/SmartPerks or call 1-800-461-8898 for details.
As a SmartPaks Subscriber, you can get free ground shipping all day, every day on just about everything we sell at SmartPak, thanks to your SmartPerks. The few add-on items we have can be shipped free by synching them with your horse's SmartPaks, shipping on a Barn Saver Shipping day, or by having a group of add-on items that total over $75.

Have a question?
Call 1-800-461-8898 or email CustomerCare@SmartPak.com anytime!
Mega-Mag™
Med-Vet Pharmaceuticals (MVP) — Item #11815
  • MORE VIEWS
  SmartPaks Over $40 Ship Free!
Free Shipping Thanks To
This item may be eligible for SmartPerks FREE GROUND SHIPPING.
(Find out how)
   
  edit
Maintenance Dose
  edit
Custom Dose  cancel
  Cancel
Sign in to choose an existing horse
ColiCare Eligible Product I'd like to apply for the FREE ColiCare program after checkout
New SmartPaks ship same day!

Days
  Cancel
Sign in to choose an existing horse
Order within and
have it by
Shipping to
Est. arrival times vary, with some
as soon as
Shipping to
Order within and
have it by
Shipping to
Add these items to your cart to get
your estimated arrival date.
Shipping to

Ideal nutrition for horses fed alfalfa

  • Comprehensive selection of vitamins & minerals plus probiotics, yeast & amino acids
  • Formulated to coincide with current NRC (National Research Council) recommended daily requirements
Mega-Mag™ (Pellet) is a well-balanced multi-vitamin and mineral supplement formulated to coincide with current NRC (National Research Council) recommended daily requirements, to accommodate feeding programs consisting of alfalfa hay/grain based diets. The addition of live, stabilized direct-fed microbials, live cell yeast culture, and amino-acid content, sourced from alfalfa meal, rice bran, and soybean meal makes Mega-Mag™ an excellent choice to support growth, stamina, conditioning and maximum performance for all disciplines.

Note: To accommodate feeding programs consisting of grass-type hays (timothy, coastal, Bermuda, native grass)/grain, choose Mega-Cell™.

View our Multi-Vitamin Supplement Comparison Chart

Ingredients

Guaranteed Analysis Per 2 oz:
(Maintenance Dose = 1 scoop (1 oz) daily)
Ingredient Per Serving Per Pound
Vitamin A 16,000 IU 128,000 IU
Vitamin D3 1,500 IU 12,000 IU
Vitamin E 500 IU 4,000 IU
Choline 300 mg 2,400 mg
Niacin 80 mg 640 mg
Vitamin C 30 mg 240 mg
Thiamine (B-1) 60 mg 480 mg
Riboflavin (B-2) 60 mg 480 mg
Pyridoxine (B-6) 20 mg 160 mg
d-Pantothenic Acid 6 mg 480 mg
d-Biotin 1 mg 8 mg
Folic Acid 15 mg 120 mg
Vitamin B12 200 mcg 1.5 mg
Direct Fed Microbials 300 million CFU's 2.4 billion CFU's
Calcium, min 850 mg 1.5%
Calcium, max 1,417 mg 2.5%
Phosphorus, min 2,835 mg 5.0%
Magnesium, min 3,000 mg 5.3%
Potassium, min 567 mg 1.0%
Sulfur 295 mg 0.52%
l-Lysine 567 mg 1.0%
Glycine 284 mg 0.5%
dl-Methionine 284 mg 0.5%
Zinc 250 mg 4,400 ppm
Manganese 142 mg 2,500 ppm
Copper 75 mg 1,320 ppm
Cobalt 500 mcg 8.8 ppm
Iodine 2.5 mg 44 ppm
Selenium 1.5 mg 26.4 ppm
Ingredients:: Dehydrated alfalfa meal, wheat middlings, soybean meal, rice bran, yeast culture, soybean oil, monosodium phosphate, monocalcium phosphate, dicalcium phosphate, magnesium oxide, magnesium proteinate, zinc proteinate, manganese proteinate, copper proteinate, cobalt glucoheptonate, ethylenediamine dihydriodide, sodium selenite, selenium yeast, l-lysine, dl-methionine, glycine, manganese sulfate, zinc sulfate, copper sulfate, vitamin A acetate, cholecalciferol (source of Vitamin D3), dl-alpha tocopheryl acetate (source of Vitamin E), ascorbic acid, menadione sodium bisulfate complex, folic acid, thiamine mononitrate, riboflavin supplement, niacin supplement, d-calcium pantothenate, pyridoxine hydrochloride, vitamin B12 supplement, d-biotin, choline chloride, lactobacillus acidophilus fermentation product dehydrated, lactobacillus casei fermentation product dehydrated, bifidobacterium thermophilum fermentation product dehydrated, enterococus faecium fermentation product dehydrated, natural and artificial flavors.


Instructions

Instructions for Use:
Directions for Use: (Enclosed measure approximates 1 oz) Adult Horses (900-1,000lbs): Provide 1-2 ounces daily. Consult your veterinarian for specific usage.

Clinical Research

Customers Also Shopped For
The stresses of everyday life can lead to ...
Description:
The stresses of everyday life can lead to bad gas, loose stool, digestive upset, and other conditions. Probios Treats are specially formulated for the overall wellness of your best friend. Apple-flavored. 1 lb resealable pouch (about 70 treats). What are ...
and improved formula with superior joint support at ...
Description:
and improved formula with superior joint support at an incredible price. The proven support you expect from Finish Line, combining the "building blocks" for healthy joints with the extra support of hyaluronic acid (HA). HA promotes healthy joint function by ...
Gastro-Plex Pellets is a palatable and NASC approved ...
Description:
Gastro-Plex Pellets is a palatable and NASC approved supplement designed to support healthy digestive function. Key ingredients include antioxidants, amino acids, gelatin/licorice, prebiotics, probiotics, yeast culture and a proprietary blend of herbs(slippery elm, aloe vera, marshmallow root powder, fenugreek ...
TriSport offers you the performance of glucosamine, chondroitin ...
Description:
TriSport offers you the performance of glucosamine, chondroitin sulfate, and MSM in a easy to administer product that your horses will love! Two ounces per day (the standard usage rate) will provide a full 10,000 mg of glucosamine HCl and ...
Support your horse's digestive tract from beginning to ...
Description:
Support your horse's digestive tract from beginning to end.Neigh-Lox Advanced helps to maintain normal stomach function and digestive tract health. This formula includes: Gastric buffer and coating agentsto buffer excess gastric acid andsupport stomach tissues Saccharomyces boulardii,which helps reduce the ...
ReitSport HA-100 provides all the great benefits of ...
Description:
ReitSport HA-100 provides all the great benefits of Reitsport with joint support! Each four ounce serving of ReitSport HA-100C (a special, concentrated formula for SmartPak) provides 100 mg of hyaluronic acid (HA), 10 grams of Ultra Pure OptiMSM (the MSM ...
In nature, horses graze and secrete saliva constantly, ...
Description:
In nature, horses graze and secrete saliva constantly, which buffers the stomach from gastric acid. When horses are stalled, this natural buffering mechanism is disrupted, and acid indigestion often results. Neigh-Lox is designed to support normal stomach function and promote ...

Reviews

out of 5
94% of customers would recommend this product to a friend!
Tell us what you think!

SmartPak customers are some of the most conscientious animal owners around. We encourage you to share your experience with the products we sell to help fellow customers to make informed choices for their animals. We do not edit these reviews in any way - they are direct customer-to-customer communication. We do monitor reviews for positive and negative feedback, and use this feedback to improve our selection as well as sharing feedback with product manufacturers to help them improve their products. Please note that we recommend consulting your vet with serious health issues.

  • Review 0
  • Votes 0
  • Discipline:
  • Expertise:
  • Product
    Experience:
  • Competitor:
Quality
Value
Palatability

Helpful?

Q & A

Healthy Horses  ❤  Happy Riders