Comparisons
NAD vs NAD+ vs NADH: What the Notation Means
NAD, NAD+ and NADH are the same coenzyme in different states. What the plus sign means, which form is oxidised, and why the ratio matters in the lab.
Comparisons
Side-by-side reviews of related compounds: how they differ in structure, receptor targets, half-life and the evidence behind them.
Comparisons
NMN vs NAD+: Precursor and Coenzyme Compared
NMN is a direct precursor of NAD+, about half its size. How they differ in structure, how NMN becomes NAD+, what the human trial showed, and lab handling.