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B12 is crucial for red blood cell formation, neurological health, DNA synthesis, energy metabolism, and mood regulation

It is listed as a rare adverse reaction in UK product information for both oral and injectable B12 preparations, and most people tolerate B12 supplements well even at high doses

The three new national-level drugs Jingen Injection, Xinqi, Qingjie Mixture, and Shuanghuanglian Oral Liquid are all new breakthroughs in the application of animal extracts of Chinese medicine

Sample sizes were small and the study has never been replicated at scale, so take it as suggestive, not definitive

This depth of human trial evidence provides greater confidence in safety characterization compared to peptides with primarily theoretical or animal-based safety data

Who should consider vitamin B12 shots