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Concerns may be higher with drugs that affect metabolism, blood sugar, sleep, or methyl-group pathways

Importantly, neurological symptoms such as tingling, numbness, or unusual sensations are more commonly associated with B12 deficiency rather than excess

B12 injections are also known to: Providers often use a B12 injection in combination with a reduced calorie diet and fitness regimen to aid in weight loss

Vitamin B12 also supports concentration, memory, and cognitive function

See why Peptides have been shown to help improve metabolism, increase lean muscle, and provide anti-aging benefits

While these are population-level numbers, the principle applies to individuals as well: routine injection visits for non-deficient patients add up in copays, travel time, and appointment scheduling without delivering additional benefit