Peptide Arcana
Cosyntropin: Just ACTH's first 24 amino acids, injected to poke your adrenals and clock how fast cortisol shows up. A pop quiz for your glands.

Cosyntropin

FDA approvedHormones and metabolism

How it works

Just ACTH's first 24 amino acids, injected to poke your adrenals and clock how fast cortisol shows up. A pop quiz for your glands.

What it's made of

The first 24 amino acids of ACTH (which has 39), made by synthesis. That piece is enough to activate the receptor of the adrenal glands.

What it's for

Prescribed for
ACTH stimulation test, to diagnose adrenal insufficiency.
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Educational satire, not medical advice.