Creature Feast | Horse / Magnesium / Best Foods
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Best Magnesium-Rich Foods for Horses

Ranked by magnesium content among foods safe for horses in the Creature Feast catalog.

#1
Alfalfa Hay per kg: approximately 2-3g magnesium Alfalfa hay is a good magnesium source at about 2-3g per kg. Horses fed alfalfa as part of their forage mix typically receive adequate magnesium.
#2
Timothy Hay per kg: approximately 1-2g magnesium Timothy hay provides about 1-2g magnesium per kg. At 10kg daily, it contributes 10-20g, which exceeds the 7.5g daily requirement for most horses.
#3
Oats per kg: approximately 1.1g magnesium Oats provide about 1.1g magnesium per kg, contributing modestly from the grain portion of the diet.
#4
Sunflower Seeds per 100g: approximately 325mg magnesium Sunflower seeds are a concentrated magnesium source at about 325mg per 100g. A handful adds meaningful magnesium to the feed bucket.
#5
Spinach per 100g: approximately 79mg magnesium Spinach is exceptionally high in magnesium (about 79mg per 100g) but should be an occasional treat only due to oxalates. Not a practical primary source for horses.
#6
Beet pulp per kg dry weight: approximately 3-5g magnesium Beet pulp provides moderate magnesium. Its versatility as a soaked fiber source with mineral content makes it a valuable component of the equine diet.