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Vitamin B12 is a crucial water-soluble vitamin that supports various important functions in the body, including: DNA synthesis and production
By blocking NNMT, it shifts intracellular NAD+ and S-adenosylmethionine (SAM) levels, two cofactors tied to energy metabolism, redox balance, and gene regulation in laboratory models
There is no clinical evidence that vitamin B12 pills cause weight loss in people with normal B12 levels, and neither NICE nor the NHS recommends them as a weight management intervention
See our peptide storage complete research guide for handling detail
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