Vitamin A supports your hamster's vision, skin integrity, and the mucous membranes that line the respiratory and digestive tracts — forming a crucial first barrier against infections. Hamsters can convert beta-carotene from orange and dark green vegetables into usable vitamin A, making fresh produce an important dietary addition. A seed-only diet is typically low in vitamin A, which is why offering small amounts of carrot, sweet potato, or kale provides a meaningful nutritional boost. Vitamin A also supports proper immune cell function and healthy organ maintenance.
A thin coin-sized slice of carrot (about 2g) provides roughly 170 IU of beta-carotene — your hamster needs approximately 600-2,000 IU of vitamin A per kilogram of feed. A small piece of carrot, sweet potato, or kale offered two to three times per week easily meets this need alongside a quality seed mix.
0.0% of daily nutrient intake
Vitamin A makes up 0.0% of your hamster's total daily nutritional requirements by weight. That's a tiny amount — but it matters.
Rough, dry skin, poor coat condition, increased susceptibility to respiratory and eye infections, cloudy or inflamed eyes, reduced growth in young hamsters, and poor reproductive outcomes.
Vitamin A toxicity from food-based beta-carotene sources is virtually impossible because conversion self-regulates. However, synthetic vitamin A supplements can cause liver damage, bone abnormalities, and skin problems if overdosed. Stick to food sources rather than drops.
| Life Stage | Size | Min | Max | Unit | Notes |
|---|---|---|---|---|---|
| Adult | — | 600 | 2000 | IU/kg feed | Provided by beta-carotene from carrots, sweet potato, and dark leafy greens offered 2-3 times weekly. |
Source: NRC 1995, general exotic pet veterinary consensus
