I have not found HCL to be as effective for my goals personally
Here is a good article on differences, both beneficial, by with some differences. To the OP, good to read through the purposes of different formulations to go after your goals. Also I don’t recommend gainful, have never tried it:
If you’re someone who regularly hits the gym, you probably are somewhat familiar with creatine. Creatine is one of the most popular — if not the most popular — supplement for gym-goers looking for a performance boost.