These compounded medications are custom-made formulations designed to meet individual patient needs and are not subject to the same premarket approval process as commercially manufactured drugs
Although uncommon, possible side effects of such a high-dose B-12 include acne and rosacea, and one study found high-dose B-12 to increase the risk of colorectal cancer in older adults when also given with folate (which is also in the product)
Talk to your healthcare provider if you are urinating less than usual, if your urine is a dark yellow, or if you have nausea, vomiting, or diarrhea that does not go away
Pharmacol Res 171:105782 Bendotti G, Montefusco L, Lunati ME, Usuelli V, Pastore I, Lazzaroni E et al (2022) The anti-inflammatory and immunological properties of GLP-1 receptor agonists
Ousia, in Spring Hill, Fla., didn't have what's called a sterile compounding license