Why not just go and buy Organic Soy Milk? It's cheap...
And "NO" it does NOT raise estrogen levels. If anything, it helps prevent prostate cancer.
And just so you know, estrogen has its own anabolic properties.
You would have to drink over 10 gallons a day to even think about estrogen. Besides, if you are running an aromatizing steroid, wouldn't that worry you more than a little protein?
People. Can't live with em, can't expect to repeat anything but what they've heard.
Been using Soy for over 15 years. Soy mixes well with Almond milk, whey, casein and egg proteins too. Go figure. Makes for a better and longer lasting protein source.
Education not masturbation. Read a little... and make sure the studies you read are referenced and controlled.