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i cut out all b12 from my diet for about 6 weeks (pretty much vegan) - this certainly helped
Are vitamin B12 shots safe
Research Highlights No peer-reviewed studies published as of June 2025
For example, someone who is dehydrated or run down may feel noticeable changes quickly, while others find benefits build with regular treatments
Important precautions: Bacteriostatic water is for use in certain situations
A vitamin B12 injection bypasses the digestive system and is directly absorbed into the bloodstream, ensuring a higher absorption rate and faster results than oral supplements
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