b12 injection how long does it take to work Quickly Shot Work? Does Help Lose Weight? Vitamin B12 Injections and Weight

Boosts collagen & elastin for firmer, smoother skin

Some patients have experienced mild swelling and redness at the injection site, upset stomach, or lightheadedness

However, some rare side effects of too much vitamin B12 can include: Headache Weakness Nausea Diarrhea Tingling sensations in the hands and feet Allergic reactions or skin rash (uncommon) When To Seek Medical Advice Risk of vitamin B12 deficiency: Groups at a higher risk of vitamin B12 deficiency include older adults, people who only eat plant-based foods (vegans and vegetarians), and those with certain chronic conditions (gastrointestinal disorders that can affect vitamin absorption)

Active cancer or recent cancer history : NNMT plays a complex role in cancer biology

Adding micronutrient supplementation to address any co-factors needed for B12 activation