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New — The Peptide Dictionary: 128 terms, explained simply
New guide — NAD+ for Anti-Aging: What the Science Says
New guide — GHK-Cu: the copper peptide for your skin
Not sure where to start? — A 60-second quiz points you to the path that fits your goal
New explainer — Semaglutide: what the research says, made simple
Browse — Peptide guides, made simple
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TJ Lee

Author

TJ Lee

Managing Director, peptides.io

TJ Lee is the Managing Director of Peptides.io, where he is focused on making complex medical and scientific information easier to understand. His background spans technology, innovation, personal and professional development, and student mentorship. He also serves as an innovation advisor and university mentor, helping students build clarity, confidence, and direction in their careers and lives.

TJ is a strong believer in longevity and in the alignment of mind, body, and purpose. His writing often draws from his own health journey, personal experiences, and lessons learned along the way. He is not a medical professional, and his work is intended for education and personal perspective, not medical advice.

Articles by TJ Lee

Two kinds of articles: his own personal stories, in his own words, and how peptides.io is making complex medical and science information easier to understand.

My Grandfather Died at 50. My Dad Died at 55. An At-Home Blood Test Showed Me Something I Never Expected.

How peptides.io content is made: read our editorial standards.