FDA-approved, but no longer sold in the US.
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100% anonymous · NPI-verifiedFDA status last checked Nov 11, 2026
Protirelin is a tripeptide that stimulates the release of thyrotropin and prolactin. It is synthesized by the neurons in the paraventricular nucleus of the hypothalamus.
Protirelin
Approved by the FDA, but no longer sold in the US.
We have not yet attached proof for an evidence level.
No brand records are linked yet.
How it works. Proven facts and ideas still being studied are kept apart.
Not yet reviewed.
We have not yet attached proof for an evidence level.
Not yet reviewed.
FDA-approved, but no longer sold in the US (all US products discontinued). Applications: NDA017638, NDA018087.
Last verified: Nov 11, 2026
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