Does drinking too much of soy milk result in impotency or erectile dysfunction?

Soy milk problems? The answer to your question about problems with soy milk and potency is "no", sorry.
Listen to your body. If you are drinking soy milk and notice this effect there is a biologically plausible reason for this. Soy can antagonize iodine uptake into the thyroid throwing off thyroid function. It also has an estrogenic effect which could affect hormonal balance. Peter d'adamo believes that certain blood types are more susceptible to adverse effects of soy.