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Best Selenium-Rich Foods for Guinea Pigs
Ranked by selenium content among foods safe for guinea pigs in the Creature Feast catalog.
#1
Timothy Hayper 100g dry: ~0.01-0.1mg selenium (highly soil-dependent)Timothy hay is the most important dietary selenium source for guinea pigs, though its selenium content varies dramatically depending on the soil where it was grown. Hay from selenium-rich regions may provide ample selenium, while hay from depleted soils may fall short. This natural variability is one reason quality fortified pellets are valuable as a backup source.
#2
Broccoliper 100g raw: ~2.5mcg seleniumBroccoli provides small but meaningful amounts of selenium alongside its Vitamin C and fiber content. Offering a small floret a few times per week adds trace selenium to the diet. Broccoli can cause gas in some guinea pigs, so introduce it gradually and watch for bloating.
#3
Spinachper 100g raw: ~1.0mcg seleniumSpinach contributes trace amounts of selenium. While not a concentrated source, spinach's selenium adds up as part of a varied vegetable rotation. Because of its oxalate content, spinach should remain a moderate-frequency vegetable rather than a daily staple.
