Research-grade editorial.

In preparation

1. established

   The two questions to ask before adding any supplement.

   Before the dose, before the brand, before the protocol — two questions that change the answer.

2. established

   What the Cochrane vitamin D review actually said.

   A close reading of the most widely cited and most widely misquoted review in the supplement literature.

3. speculative

   Peptides and the gap between mechanism and evidence.

   A primer on why a plausible biological mechanism is not the same as a clinical effect — written for adults considering peptide therapy.

All Journal articles are editorial analysis, not medical advice. Each article cites primary sources and carries a confidence label per the policy at /evidence.