Just in case anyone is thinking about trying it: 25g seems pretty high. It’s worth it to review what that means for the rest of your body before starting this regime. Kidneys are really useful organs to have working.

I use it as a supplement because I do weightlifting. 5g/day. I did 20g/day for a week once, and didn't notice it made any difference, so I'm back to 5g now. In terms of stuff like memory, mood, etc. I can't say it's made any improvement but the idea that it might be helping prevent decline is nice.

High dosage is not for your daily intake

It’s called a loading phase to quickly saturate the tissues i.e for a week or so for someone who never took the creatine. You can absolutely skip this.

I wouldn’t go higher than 10g daily on a regular basis.

I personally take 7.5g for the last couple of years.