Reported Adverse Effects From the limited human studies and anecdotal reports from users, the following side effects have been documented: Injection site pain and local reactions Joint pain or exacerbation of existing joint discomfort Anxiety and mood disturbances Palpitations and cardiovascular symptoms Insomnia or sleep disruption Nausea and gastrointestinal discomfort The frequency and severity of these effects remain unclear because no systematic adverse effect monitoring has been conducted across a large human population
Vitamin B12 (also called cobalamin) promotes healthy nervous system function and can be added to your diet through shellfish, meat, poultry, eggs, milk, dairy, and fortified products like cereals, soy, and nutritional yeast
Evidence that gamma-secretase mediates oxidative stress-induced beta-secretase expression in Alzheimers disease
(PubMed) Hansen SN, Tveden-Nyborg P, Lykkesfeldt J
pylori infection is more common in people with certain autoimmune diseases, and some research points to H