Gynecomastia Estrogen

What foods of low doses of estrogen?
I have gynecomastia (I'm a teenager, 16) and probably been eating too much estrogen many soy products (which many of soybean). What foods can reduce levels of estrogen?
Um black licorice is said to lower levels testosterone! But I have not heard anything that reduces estrogen levels
Estrogen: A Man’s Weight Loss Nightmare