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doi:10.1016/j.pharmthera.2006.03.003 165
Vomiting is less common but still noteworthy
Strengths: No needles Higher bioavailability than oral spray for some peptide sequences Convenient, discreet administration Does not require first-pass metabolism considerations Considerations: Patient technique still matters Nasal irritation in some patients Seasonal nasal congestion can affect absorption Sublingual: A Close Cousin to Oral Spray Sublingual delivery places the peptide under the tongue for mucosal absorption
Glutathione Origin De Rey-Pailhade first discovered glutathione in 1888 from extracts of yeast, egg whites and many other animal tissues (Alanazi et al., 2015)
PubMed Shil KK, Hira AD, Bakchi S, et al
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