Nutrient Constraint Calculator

Track if the food you're giving your rabbits is within safe nutritional limits. Like MyFitnessPal for rabbits - add foods and monitor 27 different nutrients in real-time.

Nutrient Calculator for Rabbits
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Nutrient limits scale with body weight
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Nutrient Constraint for Rabbits
Vitamins
Vitamin A 0 / 24000 IU
Limit: 5,000–12,000 IU per kg
Vitamin D 0 / 2400 IU
Limit: 800–1,200 IU per kg
Vitamin E 0 / 140 mg
Limit: 40–70 mg per kg
Vitamin B1 (Thiamine) 0 / 20 mg
Limit: 1–10 mg per kg
Vitamin B2 (Riboflavin) 0 / 20 mg
Limit: 3–10 mg per kg
Vitamin B6 0 / 30 mg
Limit: 2–15 mg per kg
Vitamin B12 0 / 0.04 mg
Limit: 0.01–0.02 mg per kg
Niacin (B3) 0 / 120 mg
Limit: 30–60 mg per kg
Folic Acid 0 / 2.0 mg
Limit: 0.2–1.0 mg per kg
Pantothenic Acid (B5) 0 / 40 mg
Limit: 3–20 mg per kg
Biotin 0 / 0.40 mg
Limit: 0.05–0.20 mg per kg
Choline 0 / 3000 mg
Limit: 300–1,500 mg per kg
Minerals
Calcium 0 / 20 g
Limit: 5–10 g per kg
Phosphorus 0 / 16 g
Limit: 5–8 g per kg
Magnesium 0 / 6 g
Limit: 3 g per kg
Potassium 0 / 14 g
Limit: 6–7 g per kg
Sodium Chloride 0 / 20 g
Limit: 5–10 g per kg
Zinc 0 / 200 mg
Limit: 50–100 mg per kg
Copper 0 / 20 mg
Limit: 5–10 mg per kg
Macronutrients
Protein 0 / 320 g
Limit: 120–160 g per kg
Crude Fiber 0 / 400 g
Limit: 140–200 g per kg
ADF (Acid Detergent Fiber) 0 / 340 g
Min: 170 g per kg
Starch 0 / 280 g
Limit: 0–140 g per kg
Fat 0 / 100 g
Limit: 20–50 g per kg
Sugar 0 / 10 g
Keep sugar intake minimal
Amino Acids
Lysine 0 / 10 g
Min: 5 g per kg
Methionine + Cystine 0 / 10 g
Min: 5 g per kg
Energy
Digestible Energy 0 / 21 MJ
Limit: 9–10.5 MJ per kg
Source: Nutrient requirements based on "The Nutrition of the Rabbit" by Blas & Wiseman (1998) and USDA nutritional database.

Best Diet for Pet Rabbits

The main goal for a pet rabbit's diet is to limit the chances of developing digestive problems, which is the most common cause of health issues in pet rabbits.

Vegetables & Leafy Greens
Good (Daily)

Romaine Lettuce, Cilantro, Parsley, Bok Choy, Carrot Tops, Dandelion Greens, Watercress, Basil, Mint, Endive, Escarole, Fennel, Wheatgrass

Moderate

Kale, Spinach, Beet Greens, Broccoli (leaves), Carrots, Bell Peppers, Zucchini, Celery

Avoid/Limit

Iceberg Lettuce, Potatoes, Corn, Beans, Rhubarb, Onions, Garlic

Hay (80% of Diet)
Best Choices

Timothy Hay, Orchard Grass, Meadow Hay, Oat Hay, Botanical Hay

For Young Rabbits Only

Alfalfa Hay (high in calcium, suitable for rabbits under 6 months)

Unlimited hay should always be available. It's essential for dental and digestive health.
Fruits (Treats Only)
Safe Treats (1-2 tbsp/day)

Apple (no seeds), Banana, Strawberry, Blueberry, Raspberry, Papaya, Pear, Peach, Melon, Pineapple

Never Feed

Chocolate, Candy, Cookies, Bread, Pasta, Cereal, Nuts, Seeds, Yogurt Drops

Fruits are high in sugar. Limit to small amounts as occasional treats.