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Vitamin B12 deficiency can be due to a number of reasons
As researchers in 2026 continue to push the boundaries, we're excited to see the body of evidence grow, further cementing its place as a key tool in the regenerative sciences
However, if your B12 levels are already normal or healthy, taking a B12 shot is unlikely to give you a noticeable energy boost
The mechanisms behind B12 deficiency in metformin users are multifactorial but are probably related to intestinal absorption, so it seems sensible to assume that oral B12 replacement may be less effective, although there is little evidence in this area
In conclusion, vitamin B12 is an essential nutrient that plays a crucial role in maintaining the overall health of an individual
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