Short answer: Most users in cited reviews describe changes building over several weeks, with the maker recommending at least 90 days of consistent use — a direct, honest framing rather than an implied instant-results promise.
Why "changes building over several weeks" is stated so directly
This phrase appears in the formula's own "Conclusion" summary — a deliberate, unhedged acknowledgment that a BHB-support drink mix doesn't work the way a stimulant-driven product would.
Genuine reviewer accounts matching this gradual pattern
"Around week five I noticed my clothes fitting looser" and "I stopped snacking mindlessly by the second month" — both accounts describe change measured in weeks and months, not days.
Why the 180-day guarantee accommodates this honest timeline
A genuine 180-day evaluation window gives you real time to judge whether this gradual, cumulative approach is working for you — directly consistent with the "changes building over several weeks" framing.