Creature Feast | Guinea Pig / Zinc / Best Foods
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Best Zinc-Rich Foods for Guinea Pigs

Ranked by zinc content among foods safe for guinea pigs in the Creature Feast catalog.

#1
Peas per 100g: ~1.2mg zinc Peas are the richest zinc source among common guinea pig vegetables. Zinc supports immune function, wound healing, and coat quality — all important for guinea pigs whose dense coats require constant keratin production. Feed pods whole for added fiber.
#2
Timothy Hay per 100g dry: ~1.5-3.0mg zinc Timothy hay provides a continuous low-level zinc supply. While the concentration is modest, the sheer volume of hay consumed daily makes it the largest single contributor to a guinea pig's zinc intake. Ensure hay is fresh and properly stored, as zinc degrades in old or damp hay.
#3
Spinach per 100g: ~0.5mg zinc Spinach delivers moderate zinc, but its oxalates can reduce mineral absorption. Pairing spinach with vitamin C-rich bell pepper helps counteract this. Reserve spinach as an occasional zinc-and-iron boost rather than a daily staple.
#4
Kale per 100g: ~0.6mg zinc Kale provides moderate zinc with better bioavailability than spinach due to its lower oxalate content. Its vitamin C also aids zinc absorption. Alternate kale with low-calcium greens to keep total calcium manageable.
#5
Broccoli per 100g: ~0.4mg zinc Broccoli adds small but consistent zinc contributions when fed 2-3 times per week. Its fiber content also supports the gut motility guinea pigs depend on for healthy cecal fermentation, where additional trace minerals are absorbed.