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Best Vitamin D-Rich Foods for Guinea Pigs
Ranked by vitamin d content among foods safe for guinea pigs in the Creature Feast catalog.
#1
Timothy Haysun-dried hay: ~800-1,200 IU vitamin D2 per kgSun-dried timothy hay is the primary dietary source of vitamin D precursors for guinea pigs. The UV exposure during the drying process converts ergosterol in the grass into vitamin D2. Since most pet guinea pigs live indoors with limited sunlight, hay-derived vitamin D is often their most reliable source.
#2
Parsleyper 100g: ~5.4mcg vitamin D precursorsParsley contains small but meaningful amounts of vitamin D precursors. As a dark leafy herb, it also delivers vitamin K and calcium alongside, making it a multi-nutrient powerhouse. Feed in moderation due to its high calcium content, which can contribute to bladder sludge in guinea pigs.
#3
Dandelion greensper 100g: trace to ~3mcg vitamin D (higher in sun-exposed leaves)Dandelion greens are one of the few fresh vegetables that contain measurable vitamin D. Wild-foraged dandelion greens exposed to sunlight are richer in vitamin D than store-bought varieties. Only offer greens from pesticide-free areas, well away from roads.
#4
Kaleper 100g: trace vitamin D, ~4.1mcg vitamin K co-factorKale provides small amounts of vitamin D2 alongside its abundant vitamin K and calcium. Because kale is already a staple rotation green for guinea pigs, it contributes meaningfully to overall vitamin D intake over time. Rotate with low-calcium greens to prevent urinary stone risk.
