Glucose-6-phosphate dehydrogenase (G6PD) deficiency: High doses of vitamin C in CB 12 injection could cause hemolysis, a condition where red blood cells are destroyed prematurely, in patients with G6PD deficiency
While BPC-157 appears safe based on available evidence, the lack of long-term human studies means unknown risks could exist
Euphrasia (Eyebright) extract
It is important to mention that obesity is a significant risk factor related to several leading causes of death in the United States including: heart disease, cancer, type 2 diabetes, and hypertension, all of which decrease quality of life and life expectancy
You may also have B12 deficiency if you follow a strict vegan diet and aren't eating enough foods with B12
If you have symptoms that fit deficiency, asking your doctor about methylmalonic acid is reasonable even when the B12 looks fine