Yes lybrate-user I can help you. You should mix baking soda with your toothpaste and than brush your teeth. Also you can brush your teeth with activated charcoal. It also help in white ed teeth. However normal color of teeth is off white and not pure white. So don't let advertising fool you. You can turn your teeth from yellow to off white. You can consult me at Lybrate
for homoeopathic treatment and further guidance.