We mention a four-to-eight-week window a lot on this site. Here's what that timeframe is actually about.
Unlike a stimulant, foundational nutritional support tends to build gradually rather than producing an immediate, obvious effect. Evaluating it after three days will usually tell you very little.
Write down something concrete before you start — energy on a simple scale, workouts completed, or how you feel by the end of a workday. A written note beats a fuzzy impression when you check back at week six.
Our 60-day guarantee window exists specifically so you have enough runway to judge fairly, rather than deciding in the first week.
Patience is genuinely part of using a daily supplement well — not a way of lowering expectations.