A guinea pig diet is built on unlimited hay, fresh water, daily vegetables with vitamin C and a small portion of plain pellets. Browse our feeding guides to see what is safe, what to avoid and how much to offer.
What you'll find here
- Safe and unsafe food lists
- Timothy hay and pellets explained
- Vitamin C and daily vegetables
Latest guides
Guinea Pig Food Guide: What Do Guinea Pigs Eat Every Day?
Guinea pigs need unlimited fresh grass hay, clean drinking water, a daily variety of vegetables including vitamin C-rich bell pepper, and a small measured serving of…
Read guide →What Can Guinea Pigs Eat? Safe and Unsafe Foods List
Guinea pigs thrive on unlimited grass hay, measured species-specific pellets and varied vitamin C-rich vegetables—not sugary treats.
Read guide →Timothy Hay for Guinea Pigs: Benefits, Daily Amount and Feeding Tips
Most healthy adult guinea pigs should have unlimited access to fresh, good-quality timothy hay, day and night. Replace soiled or damp hay, refill whenever supplies run…
Read guide →Explore more topics
CavyNest guides are for general information and do not replace advice from a qualified, guinea pig-savvy veterinarian.



