In StatPearls
Symptoms of deficiency can vary from person to person, but may include impaired brain function, tiredness and lack of energy, breathlessness and fatigue, headaches, pale skin, heart palpitations, loss of appetite and weight loss, anxiety and depression
Super physiologic levels of B12 I'd personally risk versus not enough as so much not understood
Vitamin B12 injections can help by: Restoring energy balance so you feel less drained during treatment Supporting nutritional health , since reduced appetite can sometimes lead to nutrient deficiencies Enhancing metabolism to complement the appetite-suppressing effects of GLP-1 therapy Promoting overall wellness and vitality as you lose weight Together, GLP-1 medications + Vitamin B12 injections create a more balanced, supportive weight loss plan , helping you reach your goals more effectively
Addressing Underlying Causes Addressing underlying causes is critical in treating vitamin B12 deficiency to prevent recurrence and improve management