Treatment depends in part on the severity of symptoms and the cause of the deficiency
It is approved for adolescents aged 12 and older, which Wegovy is not
Additionally, there was variability between the included studies in the follow-up duration, which may cause heterogeneity in the results obtained
Much of what is sold online is labeled research only, and the purity of those products is highly variable, with independent testing repeatedly finding under-dosed, degraded, or mislabeled peptides across the unregulated market
These injections are typically administered by healthcare professionals to treat vitamin B12 deficiency in people with pernicious anemia and other conditions, but some clinics offer training for safe self-injection at home
Temporarily discontinuing self-initiated supplements whilst awaiting medical review is reasonable if symptoms are troublesome, particularly if you began supplementation without confirmed deficiency