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Level 4: Safety & Administration
Reinforce your knowledge with 8 review questions
Question 1 of 8
13%
Nasal Administration
Why is the nasal spray route effective for brain-targeting peptides?
It's just more convenient — no better absorption
Nasal delivery provides good bioavailability and helps cross the blood-brain barrier
The nose is directly connected to the brain
All peptides work better nasally
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