A recent paper in the journal ‘Nature’ shows that cells are producing many small molecules that were not previously recognised, referred to as peptideins.
The article originally caught our attention because peptideins contain the same molecules found in some of our IV cocktails.
In fact, this is an exciting development in how we understand what is happening inside the body at a cellular level. This research may be as significant as the discovery of the function of DNA in the 1950s.
What are ‘Peptideines’ and why are they important?
For years, parts of our DNA were labelled “non-coding”. However, we now know that they can code for short chains of amino acids; the same building blocks as all proteins, but smaller and simpler in structure. These are called ‘Peptideines’.
Because of their size, peptideins were often missed in earlier research and treated as background activity inside the cell.
Examples of peptideins include: Humanin, DWORF, and NoBody, but there may be thousands more.
Some may prove important in areas such as cancer, immune signalling, metabolism, cell regulation, and future drug development.
Humanin, for example, is a 24–amino acid peptide involved in mitochondrial stress signalling and cell survival pathways.
FLAVIR IV Protocols with Amino Acids
FLAVIR IV formulations, including the Skinny Drip, NAD+ protocols, Training Top-Up, and Proform package include amino acids such as leucine, lysine, valine, isoleucine, phenylalanine, and glycine.
These also present in Humulin.
A FLAVIR practitioner can advise on suitability and help guide appropriate protocol selection based on individual needs.
Bottom Line
We are only just beginning to understand short amino acid chains called ‘Peptideins’. The question now is what role they actually play and how we can use this understanding in the future.
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Source: Deutsch et al., Nature (2026), “Expanding the human proteome with microproteins and peptideins.” https://www.nature.com/articles/s41586-026-10459-x
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