There is evidence for soybean domestication between 7000 and 6600 BC in China, between 5000 and 3000 BC in Japan and 1000 BC in Korea.
Which I have been drinking for about 3 years now.
However it generates a very fine bean pulp that is difficult to remove using the fine mesh, so the milk is not as smooth as a result.
I've officially started my boob enhancement journey today taking soy milk which is in powder form 2tbsp in the morning, fennel seeds 1tsp tea in the evening and doing my breast massage twice a day.