The best Peptides newsletters

Lifestyle Lineup publishes explainers on research peptides and longevity compounds such as MOTS-c, BPC-157 and glutathione, covering their mechanisms and what the animal and laboratory evidence does and does not show. Readers get structured overviews with reference tables, though the pieces lean toward promotional framing and generic phrasing.

A peptide-focused newsletter covering science-flavoured explainers on peptide therapies such as tesamorelin, GLP-1 drugs and the safety differences between research and pharmaceutical-grade peptides. Readers get an introduction to peptides framed around health optimisation and longevity, though the material leans promotional.