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Can Guinea Pigs Eat Collard Greens?

Yes, guinea pigs can eat collard greens, a leafy green vegetable packed with nutrients. Most guinea pigs enjoy the large, crunchy leaves, which can be fed whole or in pieces. Collard greens are high in vitamin C and calcium, but because they also contain oxalates, they should be offered in moderation alongside a variety of other fresh vegetables.


How to Safely Feed Collard Greens

  • Frequency: A few times a week, mixed with other leafy greens and vegetables.
  • Quantity: Small amounts due to high oxalate content.
  • Preparation: Wash thoroughly before feeding to remove any dirt or pesticides.
  • Portion tips: Feed whole leaves if your guinea pig prefers, but chopped is also fine. Mix with a variety of other vegetables for a balanced diet.

Benefits of Collard Greens

  • High in vitamin C — Supports immune health and helps prevent scurvy.
  • High in calcium — Helps keep bones and teeth strong.
  • Rich in fibre — Supports healthy digestion.
  • Rich in vitamin K — Helps strengthen bones.
  • Enjoyed by most guinea pigs — Often prefer whole leaves and will eat stalks as well.

⚠️ Oxalate Warning
Collard greens are high in oxalates. Feeding large amounts regularly can contribute to bladder stones, a serious health issue for guinea pigs. Always offer small portions and combine with a variety of other leafy greens to keep your pets healthy.


Guinea pig food chart and meal planner - printable pdf download in full colour

Nutritional Information

Nutritionmg per 100g
Vitamin C89.4
Calcium276
Sugar0.5
Water87.5
Fibre3.8
Phosphorous45

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Monique Hanford

Monique Hanford

Monique Hanford is a trusted guinea pig expert and founder of Guinea Piggles, one of the UK’s leading resources on guinea pig welfare. With nearly a decade of hands-on experience and research into guinea pig care, she provides practical, evidence-based guidance to help owners give their pets the best possible lives. Find out more...View Author posts