B12 can only be absorbed in the gut with the presence of something called intrinsic factor, which is produced by cells in the stomach lining, Winter says
However, vitamin B12 supports several processes in your body that can indirectly help with weight management: Boosts energy levels, potentially increasing motivation for physical activity Helps metabolize fats and proteins, supporting overall metabolism May improve mood and reduce stress, which can prevent emotional eating Supports the production of red blood cells, enhancing oxygen delivery to muscles during exercise Could help regulate sleep patterns, as poor sleep is linked to weight gain Might reduce appetite in some individuals, leading to decreased calorie intake When combined with a balanced diet and regular exercise, may enhance the effectiveness of weight loss efforts Risks and Side Effects While B12 shots for weight loss are generally safe, it's important to know about potential side effects
Understanding these timelines helps set realistic expectations and guides monitoring strategies
Patients showed an average reduction of 13.7% of body weight with semaglutide
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