But some studies have led to questions about high-level B12 doses in those not vitamin B12 deficient or at risk of a deficiency
Some of our more popular IM Vitamin Shots: Level 1 Injections Vitamin B12: Energy metabolism, mood, and blood health B-Complex: Energy, stress, metabolism, and immune support L-Glutamine: Helps with muscle soreness and recovery, improves gastrointestinal and immune function, may help with leaky gut and ulcers, supports brain health (addiction, anxiety depression, Alzheimer's, seizure disorders, and more), promotes muscle growth, supports metabolic and heart health, great as a chemotherapy adjunct to support gut lining permeability
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While there is no safe upper limit (because B12 is water soluble so you pee out anything you don't need), the NHS advises people not to take too much as it could be harmful
Try to assess the severity of your symptoms on a daily basis
