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MSM EC 99.9% Powder

This page contains information on MSM EC 99.9% Powder for veterinary use.
The information provided typically includes the following:
  • MSM EC 99.9% Powder Indications
  • Warnings and cautions for MSM EC 99.9% Powder
  • Direction and dosage information for MSM EC 99.9% Powder

MSM EC 99.9% Powder

This treatment applies to the following species:
Company: VetOne

(MSM Methylsulfonylmethane)

For Dogs and Horses only.

Keep out of reach of children.

MSM EC 99.9% Powder Indications

Recommended to help maintain and support healthy cartilage, tissue and joint flexibility.

CONTAINS: 1 scoop equals approx. 10 grams:

Active Ingredient

Methylsulfonylmethane (MSM) 99.9%

10,000 mg


Directions for use in Horses:

Loading: Administer 20 grams per day for 1 week.

Maintenance: Administer 10 grams per day.

Note: 1 scoop equals approx. 10 grams.

Directions for use in Dogs:

Dogs up to 30 lbs.

1/8 teaspoon per day

Dogs 31 to 60 lbs.

1/4 teaspoon per day

Dogs 61 lbs. & over

1/2 teaspoon per day

Loading: Administer double the dose for 2 weeks.

CAUTIONS: Safe use in pregnant animals or animals intended for breeding has not been proven. If the animal’s condition worsens or does not improve, discontinue product administration and consult your veterinarian.


For animal use only. Keep out of reach of children and other animals. In case of accidental overdose, contact a health professional immediately. This product should not be given to animals intended for human consumption.

Manufactured for: MWI, Boise, ID 83705

Manufactured by: Richdel, Inc., P.O. Box 1968, Carson City, NV 89702


1-800-648-0950 (PST 7:00 am to 3:30 pm)

Net Contents:




1 lb (0.45 Kg)

46-Day Supply for one horse

V1 501170

Iss. 06/17

2.5 lb (1.125 Kg)

115-Day Supply for one horse

V1 501171

Iss. 06/17

5 lb (2.25 Kg)

230-Day Supply for one horse

V1 501172

Iss. 06/17

CPN: 1315246.0

Distributed by MWI Animal Health

3041 W. PASADENA DR., BOISE, ID, 83705
Customer Service:   888-694-8381
Toll-Free:   800-824-3703
Every effort has been made to ensure the accuracy of the MSM EC 99.9% Powder information published above. However, it remains the responsibility of the readers to familiarize themselves with the product information contained on the US product label or package insert.

Copyright © 2021 Animalytix LLC. Updated: 2020-12-31