Does anyone try both Hikari for lionhead and Pro Gold?
Which one gives a better result in terms of head growth for lionheads?
Hikari is a lot cheaper so I am feeding my lionheads and ranchu with Hikari,
while giving them frozen blood worms for treats
What do you guys think?

both are quality foods, but the pro gold is made in smaller batches, and is relatively fresher, so i think it would get the nod. but both will yield excellent results, given all other conditions are equal.

I agree with Mike! They are both good and should you try alternating both.

I use both and have good results with that regime

You will not go wrong with either food. In my opinion they are the 2 best types of pellet food out there.