Guinea pigs need unlimited hay, a daily source of vitamin C, a roomy cage and a companion — they're social animals and shouldn't live alone. Get those four things right and most of the rest follows.
Last updated: 9 June 2026 · PetsRus Team
Diet
- Unlimited grass hay for teeth and digestion.
- Fresh veg daily — especially vitamin-C-rich greens like bell pepper (guinea pigs can't make their own vitamin C).
- A small amount of plain guinea pig pellets; fresh water always available.
Housing & company
Provide the largest cage you can — far bigger than pet-shop minimums — with hideouts and daily floor time. Keep at least two together for company.
Frequently asked questions
Can guinea pigs live alone?
It's not recommended — they're herd animals and happiest with a companion.
Why do they need extra vitamin C?
Like humans, they can't produce it, so a deficiency causes illness. Provide it daily through veg or a vet-approved supplement.
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