Support calm behaviour and muscle function

62 reviews. 4.9 / 5

180 Days Supply (1.26kg) - €39.99

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Magnesium

Support calm behaviour and muscle function

Magnesium supports proper nerve and muscle function and helps settle behaviour by promoting relaxation. This macromineral supports all forms of energy production and normal cellular metabolism.

For comprehensive muscle support, take a look at Opti Muscle™.

For a high specification calmer, try Steady-Up®.

62 reviews. 4.9 / 5

Reviews
Technical
FAQ's

Debra - 10/10/2026 14:57

horses are calm

Amanda-Jane - 14/08/2026 19:35

Made a difference to my youngster, helping her to focus when we do our daily training ❤️

Mary - 14/07/2026 19:06

Only been using a week but my spooky TB id verging on being cob like 🤣

Patrina - 13/04/2026 21:38

Magnesium is very helpful for my anxious horse

Donna - 14/03/2026 07:46

I feed this to help with a muscle myopathy

COLLEEN - 29/12/2025 14:30

I have been using this for my new boy a Section C Welshie who was very nervous and on edge. I think it has made a real difference.

Patrina - 14/12/2025 22:41

Excellent product, great service

Lindsey - 17/10/2025 09:14

This was recommended to me by an equine nutritionally to help disperse my cobs cresty neck. Seems to help.

Stephanie - 29/09/2025 19:11

Just started using this for one of my thoroughbreds just to help with focus on her reschooling journey. Seems to be working great.

Julie - 16/08/2025 00:07

I started to feed magnesium to a stressy mare but nothing that i've fed or done has made much difference to her to be be honest

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Feeding Guide

Weight of Horse/Pony	Amount per day
Up to 400kg	½ scoop
Over 400kg	1 scoop

1 level (5ml) scoop of Magnesium weighs approximately 7g. A measuring scoop is provided with this product.

Feed supplements should be fed according to body weight. Introduce to the horse's diet gradually, splitting between feeds (when applicable).

Magnesium is a complementary feeding stuff for equine animals. Feedmark uses nothing in the formulation of this product that contravenes competition rules.

Nutrition Information

Magnesium plays an important role in normal nerve and muscle function, helping to regulate nerve signalling, muscle contraction and relaxation, and the body’s response to stress. In horses and ponies, inadequate magnesium intake may contribute to increased nervousness, excitability and tension. Used daily as part of a balanced diet, magnesium can support normal nervous-system function and may help promote a calmer, more relaxed approach to work. Magnesium can help support cells' response to insulin and can assist with metabolism by contributing to the utilisation of fatty acids for energy.

Composition

Magnesium oxide (100%)

Analytical

Crude protein 0.3%, Crude oils & fats <0.1%, Crude fibre 0.5%, Crude ash 100.0%, Acid insoluble ash 5.9%, Sodium 0.01%

What source of Magnesium is this?

This product contains Magnesium Oxide.

How much Magnesium does this product contain?

Magnesium Oxide contains approimately 56% Magnesium.