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Electrolyte replacement and isotonic rehydration

Independent Feedback based on 32 verified reviews. 5 / 5

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Nutrition Information

Replenish™ is a balanced blend of the essential electrolytes Sodium, Chloride, Potassium, Calcium and Magnesium, which are lost through sweat whilst exercising.  Optimal electrolyte status is vital for peak performance, and these should be fed on a daily basis when training and competing, as the electrolytes lost in sweat are not likely to be replaced by normal hard feed or forage, which could lead to a negative balance.

As well as keeping competing horses performing at their best, electrolytes are essential for correct muscle and nerve function, keeping the horse hydrated and healthy.



Sodium chloride, Potassium chloride, Glucose, Calcium gluconate, Magnesium chloride.


TECHNOLOGICAL ADDITIVES (per kg): Silica (Silicon dioxide, E551a) 15g


Crude protein 0.3%, Crude oils & fats <0.1%, Crude fibre 0.1%, Crude ash 94.4%, Sodium 28.7%

Feeding Guide


Weight of Horse/Pony

Amount per day

Maintenance - Light work         

Amount per day

Medium - Hard work                 

Up to 250kg ¼ scoop ½ scoop
250kg - 400kg ¾ scoop 1½ scoop
400kg - 600kg 1 scoop  2 scoops
Over 600kg 1 ¼ scoops 2 ½ scoops


1 level (50ml) scoop of Replenish™weighs approximately 50g/1.8oz.

Add Replenish™ to the feed of working horses every day.

For rehydration, make an isotonic oral solution by dissolving one scoop (50g) of Replenish™in 5½ litres of water.

Replenish™mixed in water should be offered to horses and ponies after long or hard work to help restore normal fluid balance. It is also beneficial where electrolyte and fluid loss is a result of diarrhoea. Horses may have to be trained to accept isotonic electrolyte solutions, so offer the solutions after training sessions before use during competition.

Note: always ensure your horse is fully hydrated before hard work, giving free access to plain water if electrolyte solutions are refused.

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

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