Snoring could be as a result of positioning during sleep, habit especially if familiar or adenoids enlargement. You can also see a paediatrician for thorough evaluation.

No matter what they call it.
Brain Booster is an exaggeration.
Normal food and multivitamins good
for brain development are available
in the regular meals you eat if they
are balanced... You don't need to buy
any supplements except you are not
sure that your children's diet are not
balance

How is he/she taking the glucose? and why are you giving glucose?

It's a self-comforting habit that your baby will outgrow with time.