Can Guinea Pigs Eat...?

Search our veterinary-backed food safety database for fresh vegetables, fruits, herbs, and dangerous foods to avoid.

Bell Peppers (Red, Yellow, Green)

Daily Staple

The best daily source of Vitamin C for guinea pigs. Low in sugar and calcium.

Serving Advice: Slice 1-2 thin strips daily per cavy with seeds removed.
Vit C: HIGHCalcium: LOWSugar: LOW
Feeding guide

Timothy Hay (1st or 2nd Cut)

Daily Staple

The primary dietary requirement (85% of total diet). Keeps digestive tract moving and molars worn.

Serving Advice: Provide unlimited fresh Timothy hay 24/7 in clean hay racks.
Vit C: MEDIUMCalcium: LOWSugar: LOW
Feeding guide

Romaine / Red & Green Leaf Lettuce

Daily Staple

High water content and rich in essential fiber. Do not feed iceberg lettuce.

Serving Advice: 1-2 large leaves per cavy daily.
Vit C: MEDIUMCalcium: LOWSugar: LOW
Feeding guide

Cilantro (Coriander Greens)

Daily Staple

A favorite daily herb packed with flavor and low in calcium.

Serving Advice: A small handful daily.
Vit C: MEDIUMCalcium: LOWSugar: LOW
Feeding guide

Cucumbers

Moderate (2-3x/wk)

Excellent for hydration on hot summer days, but high water content can cause runny stool if fed excessively.

Serving Advice: 2-3 thin slices with peel twice a week.
Vit C: LOWCalcium: LOWSugar: LOW
Feeding guide

Carrots

Treat (1x/wk)

High in natural sugar and Vitamin A. Feeding too often causes obesity and tooth decay.

Serving Advice: 1 small coin-sized slice once or twice a week.
Vit C: MEDIUMCalcium: LOWSugar: HIGH
Feeding guide

Apples (Seedless)

Treat (1x/wk)

Tasty fruit treat. Apple seeds contain cyanogenic glycosides (toxic) and must be removed.

Serving Advice: 1 thin slice without seeds or core once a week.
Vit C: MEDIUMCalcium: LOWSugar: HIGH
Feeding guide

Strawberries

Treat (1x/wk)

Rich in Vitamin C but high in natural fruit sugar.

Serving Advice: Half a small strawberry once a week.
Vit C: HIGHCalcium: LOWSugar: HIGH
Feeding guide

Spinach

Moderate (2-3x/wk)

Nutrient-rich but very high in oxalates and calcium, which contribute to bladder stone formation.

Serving Advice: 1-2 small leaves maximum once a week.
Vit C: HIGHCalcium: HIGHSugar: LOW
Feeding guide

Kale

Moderate (2-3x/wk)

Great Vitamin C source, but high calcium content means it should be rotated with low-calcium greens.

Serving Advice: 1 small leaf once or twice a week.
Vit C: HIGHCalcium: HIGHSugar: LOW
Feeding guide

Tomatoes (Ripe Fruit Only)

Moderate (2-3x/wk)

Ripe tomato flesh is safe, but green parts, stems, and leaves are toxic nightshades.

Serving Advice: 1 cherry tomato or small slice twice a week. Remove all green stems!
Vit C: HIGHCalcium: LOWSugar: MEDIUM
Feeding guide

Celery

Moderate (2-3x/wk)

Hydrating and crunchy, but long fibrous strings can pose a choking hazard.

Serving Advice: Chop into 1/2 inch small pieces across strings.
Vit C: LOWCalcium: LOWSugar: LOW
Feeding guide

Watermelon

Treat (1x/wk)

Hydrating summer treat, but very sugary. Watermelon rind is safe in small amounts.

Serving Advice: 1 small 1-inch cube once a week.
Vit C: LOWCalcium: LOWSugar: HIGH
Feeding guide

Bananas

Treat (1x/wk)

Dense in starch and sugar. Can cause severe constipation if fed regularly.

Serving Advice: 1 thin coin slice very rarely.
Vit C: LOWCalcium: LOWSugar: HIGH
Feeding guide

Onions, Garlic, Chives, Leeks

FORBIDDEN / TOXIC

Contains disulfides that destroy red blood cells, causing fatal hemolytic anemia in guinea pigs.

Serving Advice: NEVER FEED. Keep completely away from cavies.
Vit C: LOWCalcium: LOWSugar: LOW
Feeding guide

Potatoes & Raw Beans

FORBIDDEN / TOXIC

Potatoes contain solanine alkaloid poisons; raw beans contain phytohemagglutinin toxins.

Serving Advice: NEVER FEED.
Vit C: LOWCalcium: LOWSugar: HIGH
Feeding guide

Chocolate, Dairy & Bread

FORBIDDEN / TOXIC

Guinea pigs are strict herbivores with zero lactase enzymes. Dairy and processed food cause severe digestive failure.

Serving Advice: NEVER FEED.
Vit C: LOWCalcium: HIGHSugar: HIGH
Feeding guide

Never forget daily feeding routines or veggie preferences

Use the Popcavy app to schedule daily veggie reminders, track dietary preferences, and maintain perfect nutrition habits for your herd.

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