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Does protein powder expire? What the whey studies measured
Yes, but quality fails before safety. Three whey storage studies: shelf life by temperature, and why agglomerated powders go stale sooner.
Pump Verdict — Pre-workout and training supplements, read by the label
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Does creatine make you gain weight? The 2021 review's answer
Usually a little, early, and mostly water. What the 2021 JISSN creatine review says about loading, body water and fat mass, with the trial figures.
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Can NCAA athletes take pre-workout? A label checklist
No supplement is NCAA-approved and stimulants are banned. The NCAA's stimulant examples, mapped to the names a pre-workout label actually uses.
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How to check if a supplement is Informed Sport certified
Search the batch number, not the logo: Informed Sport's own search and app, USADA's warning on misused logos, and what an unlisted batch means.
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NSF Certified for Sport vs NSF Contents Certified explained
Contents Certified checks the label and contaminants. Certified for Sport adds a banned-substance screen. Which NSF mark a drug-tested lifter needs.
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Informed Sport vs Informed Choice: what is the difference?
Same LGC lab, same 285+ screen. Informed Sport tests every batch before release; Informed Choice says 'regularly tested'. Both pages read 20 Sept 2026.
Reviews
Which pre-workouts are NSF Certified for Sport? (2026 list)
Every pre-workout row on NSF's own Certified for Sport database, read 15 September 2026: Megawatt, X-Cite, C4 Sport, ZOA+, Klean, Thorne and more.