Islamic scholars consulted by a leading producer of cultivated meat say that the newfangled protein — which is grown from animal cells and doesn’t require animals to be slaughtered — can be halal, or permissible under Muslim law.
And the Jewish Orthodox Union this month certified a strain of lab-grown chicken as kosher for the first time, “marking a significant step forward for the food technology’s acceptance under Jewish dietary law,” as the Times of Israel put it.
Vegans have more to do with morals than vegetarians. Vegans may refrain from using animal based products like leather, which can be completely unrelated to health. A vegetarian diet is just that, a diet without meat. Can be for health or moral reasons, unspecified.
Many things are tasty, many of which don’t have the detrimental implications of animal products, especially meat.