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Common side effects are mild: injection site redness, temporary fatigue, and occasional nausea
This bypasses the digestive system entirely, which matters for anyone with absorption issues
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[DOI] [PMC free article] [PubMed] [Google Scholar] 18.El-Haschimi K, Pierroz DD, Hileman SM, Bjrbaek C, Flier JS

J Clin Endocrinol Metab 75 : 11861191 Louard RJ et al