Best Vitamin B7 (Biotin)-Rich Foods for Horses

Ranked by vitamin b7 (biotin) content among foods safe for horses in the Creature Feast catalog.

Oats per kg: approximately 0.2-0.3mg biotin Oats are one of the better natural dietary sources of biotin among common horse feeds, though the amount is modest compared to therapeutic supplementation levels.

Alfalfa Hay per kg: approximately 0.3-0.4mg biotin Alfalfa hay provides more biotin than grass hay. Including alfalfa in the diet contributes to baseline biotin intake, though not at therapeutic levels.

Timothy Hay per kg: approximately 0.1-0.2mg biotin Timothy hay provides trace biotin. Hindgut bacteria also synthesize some biotin, contributing to the baseline supply. Combined dietary and bacterial sources provide 1-2mg per day.

Barley per kg: approximately 0.1-0.2mg biotin Barley contains moderate biotin. As part of a grain ration, it contributes to the baseline dietary intake.

Sunflower Seeds per 100g: approximately 0.06mg biotin Sunflower seeds provide biotin alongside vitamin E and healthy fats. A multi-purpose supplement addition to the feed bucket.

Peas per 100g: approximately 0.04mg biotin Peas contain modest biotin. They contribute to overall B vitamin intake as a supplemental feed ingredient.

Carrot per 100g: approximately 0.005mg biotin Carrots provide trace biotin and are a practical daily treat. Their contribution to biotin is minimal but they add variety and palatability to the diet.

Sweet Potato per 100g: approximately 0.004mg biotin Sweet potatoes contain small amounts of biotin. An occasional treat that contributes trace B vitamins.