It depends on what you are treating, how the protocol is structured, and whether the peptide comes from a licensed 503A compounding pharmacy or a research supply website
Could Vitamin B12 Injections Help Relieve Foot Neuropathy and Nerve Pain
Signs you may be overdosed Persistent nausea lasting more than 7 days at the same dose, especially if accompanied by vomiting or inability to maintain hydration
Vegans, vegetarians, people over the age 50, anyone with stomach/bowel issues like chronic gastritis, leaky gut, IBS or celiac, and anyone who regularly takes medications such as Metformin, PPIs (used for GERD), H2 Receptor Antagonists (used for peptic ulcers), or anything that interferes with stomach acid production are actually at risk for vitamin B12 deficiency, and should supplement B12 regularly
Every compounded medication label must include several key pieces of information, though the exact format varies by pharmacy