I add yeast nutrient with about 10 minutes left in the boil. That way you don't have to worry about sanitation. I really don't know if it helps that much or not. It's cheap though and it's generally accepted that it helps so I figure why not.
Beer is proof that God loves us and wants us to be happy.
- Benjamin Franklin (and I don't care if this quote has been largely discredited/misquoted...I like it!)
Beer, if drank with moderation, softens the temper, cheers the spirit and promotes health.
- Thomas Jefferson