However, it may take a number of days or weeks before a person notices improvements in their symptoms
Vitamin B12 can prevent anemia by helping your body produce enough red blood cells, thus boosting your energy
Ideal for patients with fatigue, nutrient deficiencies, or sluggish weight loss on calorie-restricted plans
Other reported effects include: Headaches and dizziness Nausea and gastrointestinal discomfort Allergic reactions to B12 formulations (rare) If you experience symptoms suggesting a severe allergic reaction (difficulty breathing, severe rash, swelling of face/throat), seek emergency medical attention immediately by calling 999 or attending A&E
If you have tried oral B12 before and felt no change, this may be part of the reason, and it is worth mentioning to your provider