If a busy professional schedule is the specific context, worth understanding what a focus-support capsule can realistically offer within that routine.
Look for a simple, low-effort routine that fits easily into an already busy schedule, since a complicated multi-step regimen is harder to sustain consistently under time pressure.
This site frames its own format directly around simplicity — one capsule with breakfast, nothing to mix, measure or cancel — worth reading that as directly relevant to a busy-professional routine, while still planning for the stated two-to-three-month commitment.