Two forms of vitamin A are available in the human diet: preformed vitamin A (retinol and its esterified form, retinyl ester) and provitamin A carotenoids [1-5]. Preformed vitamin A is found in foods from animal sources, including dairy products, fish, and meat (especially liver).
Rabbit tobacco can be used medicinally in several ways. Smoking the leaves is good for sinusitis, head colds, and congestion. In hot teas, it is used to treat sore throats, fevers, diarrhea, colds, flu, pneumonia, asthma, and coughs, as well as a mild nerve sedative, a diuretic, and an antispasmodic.
Protein Requirements. Bunnies need protein just like humans do to supply them with a source of energy and support healthy growth, especially when younger. Proteins contain amino acids, which your rabbit's body needs to function properly, build muscle and put on weight.abbits need plant-based proteins to stay healthy. rabbit eating a plant image by cat from Fotolia.com. Even though rabbits are herbivores, they still need a small amount of protein in their diet to keep them healthy.