Tigers never eat fruits and vegetables, which is not objective. Tigers occasionally ingest plants or get plants from the intestines and stomach of their prey, but plants are not necessary for tigers. The physiological function of tiger determines its carnivorous nature, and it can get enough nutrition from meat.
Vitamins are not unique to fruits and vegetables, and meat is also rich in vitamins, especially fat-soluble vitamins. In addition, many people listened to the story that western sailors got scurvy when they sailed without eating fruits and vegetables, and they acquiesced that meat had no vitamin C. In fact, there is vitamin C in fresh meat, but the content is low (similar to apples, yes, apples are low-vc foods ...), but animal livers, kidneys and some animal fats are rich in vitamin C, even exceeding most fruits and vegetables. Therefore, it is normal for tigers not to lack vitamins. It eats its prey and its internal organs from head to toe. ...
Carnivores don't eat plants at all, such as wolves eating wild fruits; Herbivores don't eat animals at all. Insects are nothing. Cattle and sheep even take the initiative to eat meat ... don't think animals are so rigid. Survival comes first. Only humans can inexplicably promote vegetarianism.