Guide1 week ago 4 min read
Cycling vs continuous use: does it actually matter?
A look at where 'cycling' makes sense and where it's mostly tradition.
by Editorial team
Where cycling matters
For peptides that downregulate receptors with continuous exposure — like some growth hormone secretagogues — periodic breaks may preserve responsiveness.
Cycling is also relevant where long-term safety data is limited.
Where it may not
For peptides with established long-term safety in human use (e.g. some FDA-approved compounds), continuous use may be appropriate under clinical supervision.
Reflexive 'cycle everything' advice often lacks pharmacological basis.
How to decide
Look at the receptor pharmacology of the specific peptide.
When in doubt, follow clinical guidance, not online tradition.