Absolutely do not - DO NOT - take pueraria mirifica. You will gain two cups sizes at a minimum but you are basically begging for breast cancer, mood swings, and long term term fucking of your endocrine system. This is what traps in Southeast Asia take to grow tits without getting implants. It’s literally a more potent agent than synthetic estrogen. And that’s all assuming you don’t get sold fake crap.
If you’re interested in the use of supps, fenugreek is less effective but still a great option for breast growth, and you are putting yourself at far less risk. Combine it with fennel seed, red clover, or wild yam extracts for even bigger effects.