why do i feel dizzy after b12 injection worse a injection: causes explained Vitamin B12 Deficiency: Causes, Symptoms,

In one large study, 5,200 women received 1,000 mcg of vitamin B12 daily and other B vitamins and folic acid seven years later

Safety: what we know, what we dont What clinical trial safety reviews suggest The clinical safety review literature reports several reassuring signals: No meaningful increase in IGF-1 in monitored long-term studies (jofem.org) No clear negative effect on carbohydrate metabolism in testing described (contrast with full hGH) (jofem.org) No clear immunogenicity signal (e.g., anti-AOD antibodies) in the subset assessed in those trials (jofem.org) The major limitation: long-term real-world certainty is thin The problem with many peptides is not that everything is dangerousits that the certainty level is often lower than patients assume

The most commonly reported adverse effects are the GI symptoms associated with tirzepatide (nausea, reduced appetite) plus the mild headache occasionally seen with AOD 9604

doi:10.1111/dme.12390

As B12 is essential for the production of red blood cells and proper nervous system function, its deficiency can disrupt these processes and lead to symptoms like gastrointestinal discomfort and poor appetite, which may contribute to unintended weight loss

It helps regulate glycogen, which impacts energy levels