It does not mean, however, that they become FDA approved
The upper arm, specifically the back of the upper arm between shoulder and elbow, is convenient for those with limited abdominal comfort or preference for concealed injection sites
Study Reference Coy DH, Hocart SJ, Murphy WA
It is important to distinguish orally administered supplements, such as collagen peptides, from injectable biologics, as oral formulations generally have a different safety profile and do not introduce risks related to sterility or injection-related complications
Diabetic Retinopathy Complications: For individuals with pre-existing diabetic retinopathy, theres a risk of worsening vision changes