Topical and Nasal AOD-9604 Topical and nasal forms appear in marketing, but the FDA review found no published human exposure data for transdermal or intranasal AOD-9604
To understand the translational potential for AMPs, we analyzed FDA-approved drugs in the FDA drug database
INDICATIONS AND USAGE Cyanocobalamin is indicated for vitamin B 12 deficiencies due to malabsorption, which may be associated with the following conditions: Addisonian (pernicious) anemia Gastrointestinal pathology, dysfunction, or surgery, including gluten enteropathy or sprue, small bowel bacteria overgrowth, total or partial gastrectomy Fish tapeworm infestation Malignancy of pancreas or bowel Folic acid deficiency Cyanocobalamin Injection, USP is also suitable for the vitamin B 12 absorption test (Schilling test)
This reflects how the compounds are studied, not a dosing recommendation
Thereby, this pitfall (i.e., the more carriers, the less own peptide activity) is commonly not considered (Saghazadeh et al., 2018
What community sources describe, explicitly as anecdote rather than guidance: Reports of pausing when headache, irritability, or GI symptoms persist or intensify