Unlimited grass hay plus a measured, species-appropriate pellet is the foundation for rabbits and guinea pigs; a quality seed/pellet mix works as the hamster base diet.
| Food | Best For |
|---|---|
| Timothy Hay | Rabbits & guinea pigs — unlimited daily |
| Vitamin-C Fortified Pellets | Guinea pigs specifically |
| Seed/Pellet Mix | Hamsters, mice |
Best Base Diet
Timothy Hay
The foundation of a healthy rabbit or guinea pig diet — should always be available in unlimited amounts.
Best for Guinea Pigs
Vitamin-C Fortified Pellets
Covers a nutritional gap guinea pigs can’t fill on their own — an easy way to prevent deficiency.
FAQ
Do guinea pigs really need vitamin C?
Yes — unlike most mammals, guinea pigs can't produce their own vitamin C and need it from diet, typically via fortified pellets or vitamin-C-rich vegetables.

