Creatine vs Protein: What's the Difference?
Creatine vs protein powder in plain English: what each one is, what trials show for muscle, and how they differ in cost and use.
Supplement comparisons
Not sure which to choose? See them side by side, with a plain-English verdict.
Magnesium Glycinate vs Citrate: Which Form?
Magnesium glycinate vs citrate: what the absorption research shows, why elemental magnesium on the label matters, and how to compare price.
Magnesium Threonate vs Glycinate: What Trials Show
Magnesium L-threonate vs glycinate compared: what trials show for sleep and thinking tests, why the evidence differs, and who funded it. Information only.
NMN vs NAD+: what's the difference?
NMN vs NAD+ explained simply: why NAD+ is the molecule your cells use, how NMN and NR act as precursors, and what trials do and do not show.
Omega-3 vs Fish Oil: What's the Difference?
Omega-3 vs fish oil explained: omega-3 is the type of fat, fish oil is one source. Learn what to check on the label and what trials show.
Pterostilbene vs Resveratrol: What Is the Difference?
Pterostilbene vs resveratrol: how they differ, why bioavailability data come from rats, what human trials show, and why no one can say which is better.
Spermidine vs Urolithin A: Compared on Evidence
Spermidine vs urolithin A: what each has shown in human trials, doses studied, safety, and why there is no head-to-head study to say which is better.
Vitamin D2 vs D3: What the Research Shows
Vitamin D2 vs D3: two reviews of head-to-head trials found D3 raised blood levels more. Learn what that does and does not tell you.