Tracking without obsessing
A simple approach works better than a system: pick one product at a time, use it for a month at the same time of day, and note whether your routine feels easier or harder. That is the whole exercise. No journals, no spreadsheets, and no bloodwork unless a doctor recommends it.
The signal you are looking for is whether the product fits your life, not whether you hit a specific outcome. Routines that stick are usually simple ones, and a routine you can describe in one sentence is the one you will still be running in three months.
Building a routine you can keep
Start with a daily multivitamin if you are new to supplements. Add a targeted formula only if you have a specific ingredient interest, like Panax ginseng or CoQ10. Keep the product count small, take each at a set time, and give every addition a full month before you judge it.
That process will not produce dramatic results, but it is how most men in Indonesia actually build a supplement routine that lasts. Natural supplements for men are a long, boring, mostly unremarkable habit — which is exactly why the short version wins.