Hello, the seeds of sprouts can generally be purchased from local miscellaneous grains, but the germination rate of sprouts is very important, so the germination rate must be considered when purchasing miscellaneous grains. Secondly, there are many professional seed suppliers (for sprouts). Generally, their purchase channels are good, and the perennial supply is guaranteed. You can look at the website of Fuyang sprouts production base, and you can find it directly by Baidu search, or you can search for sprouts recipes.