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One review concluded that vitamin B12 plays a key role in fat metabolism, noting that a deficiency could be linked to increased fat accumulation and obesity ( Another animal study found that severe vitamin B12 deficiency led to a significant increase in body fat percentage and cholesterol levels in pregnant mice ( Whats more, one animal study showed that administering B vitamins to rats fed a high fat diet reduced weight gain and increased levels of several enzymes that influence metabolism, compared with a control group ( However, current evidence is lacking, and additional high quality studies are needed to determine how vitamin B12 may affect metabolism and body fat in humans

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Individuals taking high-dose B12 supplementswhether oral, sublingual, or intramuscular injectionsmay develop elevated serum levels, particularly if supplementation exceeds physiological requirements

It has been studied as a neuropeptide associated with biological rhythm regulation

Using tap water, or even sterile water without a preservative, can lead to contamination and a ruined batch of your valuable research compound

It's vital for nerve function, red blood cell formation, and energy production