Quick Answer

Use the guide below to check if specific foods are safe for your common.guineapigs. Each food includes a safety rating, serving size, and health warnings.

Complete common.guineaPigs Food Guide

What Can common.guineaPigs Eat?

Guinea pigs cannot make their own vitamin C and need it daily from food. Hay is essential, vegetables are critical.

🌾
80%
Hay in Diet
πŸ₯¬
1 cup
Veggies Daily
🍊
10-30mg
Vitamin C Daily
🚫
0
Iceberg Lettuce

βœ…Safe Foods for common.guineaPigs

🌾

Timothy Hay

Unlimited, essential

πŸ«‘

Bell Peppers

High vitamin C, daily

πŸ₯¬

Romaine Lettuce

Daily leafy green

🌿

Cilantro

Safe herb, vitamin C

πŸ₯’

Cucumber

Hydrating, safe

πŸ…

Tomato

Small amounts, vitamin C

🚫TOXIC Foods - Never Feed

πŸ₯¬

Iceberg Lettuce

AVOID

Low nutrition, causes diarrhea

πŸ₯”

Potatoes

TOXIC

Solanine poisoning

πŸ§…

Onions/Garlic

TOXIC

Blood cell damage

πŸ₯‘

Avocado

TOXIC

Persin toxicity

🍫

Chocolate

TOXIC

Never give sweets

πŸ₯›

Dairy

AVOID

Cannot digest dairy

🍞

Bread

AVOID

Causes bloat, GI issues

πŸ₯¬

Rhubarb

TOXIC

Oxalic acid poisoning

🍽️ common.guineaPigs Diet Basics

Unlimited Hay

Timothy hay 80% of diet. Essential for teeth and digestion.

Vitamin C Vegetables

Bell peppers, tomatoes daily. Guinea pigs cannot synthesize vitamin C.

Pellets

1/8 cup per pig daily. With vitamin C, timothy-based.

Water

Fresh daily in bottle or bowl.

πŸ†˜If Your Pet Eats Something Toxic

1. Stay Calm

Note what was eaten, how much, and when.

2. Call For Help

ASPCA Poison Control: 888-426-4435 or your vet.

3. Don't Wait

Time matters. Don't try home remedies first.

Frequently Asked Questions

Why do guinea pigs need vitamin C?β–Ό
Like humans, guinea pigs cannot produce their own vitamin C. Deficiency causes scurvyβ€”lethargy, joint problems, death.
Can guinea pigs eat carrots?β–Ό
Yes, but sparingly. Carrots are high in sugar. Carrot tops (greens) are healthier and can be fed more often.
How much hay should guinea pigs eat?β–Ό
Unlimited! Guinea pigs should always have access to hay. It's 80% of their diet and essential for teeth and GI health.

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What Can Guinea Pigs Eat? Complete Food Safety Guide 2026 | Clawmate