How do you get more estrogen naturally?

Diet. Phytoestrogens (plant estrogens) are present in many foods, notably in soy products. However, one might ask why you want to get more estrogen. If you are menopausal, you can try food supplements or actually take estrogen orally. . To answer you question better, i would have to know what your objective is.
Soy. Plant-based Estrogens such as soy can elevate estrogen level slightly.