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CANADA POST STRIKE IN EFFECT

Effective September 25th, 2025 - Please use a valid street address, as we cannot deliver to PO Boxes or Community Mailboxes. Delivery times may be delayed. We appreciate your patience and will do our best to ship your order as quickly as possible. Please note: During the strike, we can't courrier internationally.

Mad Barn Magnesium Oxide

MAD BARN

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$7.99
SKU:
018294000088
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Product Overview

**shipping within Canada only**

Magnesium supports proper muscle function and a healthy nervous system in horses. This essential mineral is required for bone growth, metabolic function and healthy hooves. Magnesium oxide supplementation has been shown to have a calming effect in nervous horses.

1 kg = 34 servings

*Based on a 500 kg (1100 lb) horse at a feeding rate of 29 grams per day