Anecdotal evidence suggests AM injection before fasted cardio may amplify the lipolytic window
Semaglutide weight loss reviews from real-world use confirm these clinical outcomes

and patients with pernicious anemia who have optic neuropathy COBALAMIN (Vitamin B12) Deficiency Causes Vegetarians (dietary deficiency) Older adults: atrophic gastritis affects 10% 30% and leads to decrease in hydrochloric acid secretion in the stomach and decreased absorption of Vitamin B12 The liver can store up to six years worth of Vitamin B12 so deficiencies are rare Effects of deficiency Megaloblastic anaemia (pernicious anaemia) Progressive demyelination of nerve cells Elevation in levels of circulating homocysteine that leads to production of defective collagen and elastin with a negative impact on arteries, bone and skin Deep vein thrombosis is associated with homocysteinemia that causes the activation of the intrinsic coagulation cascade Symptoms include fatigue, weakness, constipation, loss of appetite and weight loss Numbness, tingling of the feet imbalance, depression, confusion, dementia, poor memory and glossitis

Vegetarians are indeed at risk of developing vitamin B12 deficiency since vegetarians have a lower intake of vitamin B12 than non-vegetarians
These studies only show a link between vitamin B12 deficiencies and weight gain, Matthew Cowling, D.O., a physical medicine and rehabilitation specialist in Madison, Wisconsin who specializes in weight loss, previously told The Edge
Common side effects include mild pain at the injection site, dizziness, or nausea