Some sects of Hinduism for example Vaishnavism follow the purest form of vegetarianism as an excellent while Shaktism and Tantric sects freely take in rooster, mutton (goat and sheep meat), fish and eggs. The reasons stated by Jains and Vaishnavas are: the basic principle of nonviolence (ahimsa) applied to animals;[181] https://www.cureayu.com/blogs/weight-management/how-to-increase-weight