Verdict: For most people comparing these two, Jacked Factory NITROSURGE is the better overall pick because it’s clearly targeted at workout performance (energy/focus/pumps), has consistent training-centric reviews, and is positioned as strong value. Its main limitations in the provided data are taste inconsistency and occasional mixability residue, plus the usual stimulant considerations.
Old School Labs Vintage Burn is best viewed as a different tool: a capsule-based thermogenic/appetite-support supplement that many users like for steady energy and diet adherence, but with more variability in appetite outcomes and more frequent price/value concerns. If you want a dependable pre-session boost, pick NITROSURGE; if you want capsule convenience during a cut, Vintage Burn may fit—provided you tolerate it well and manage dose timing.