Some sects of Hinduism for instance Vaishnavism Stick to the purest sort of vegetarianism as a really perfect even though Shaktism and Tantric sects freely take in chicken, mutton (goat and sheep meat), fish and eggs. The explanations said by Jains and Vaishnavas are: the principle of nonviolence (ahimsa) applied https://www.cureayu.com/blogs/weight-management/reduce-belly-fat