NPR reported that FDA scientists spoke extensively about the lack of reliable data for any of the seven peptides and that in some cases they could not find any published human clinical studies at all
Vitamin B12 plays a key role in energy metabolism, nerve function, and the production of healthy red blood cells
Why are high vitamin B12 levels not taken seriously
Rotate injection sites to prevent tissue irritation and induration
Seek medical advice if you experience: New-onset insomnia or significant sleep disruption that persists after starting B12 supplementation Paradoxical fatigue : Worsening tiredness despite taking B12, which may indicate an underlying condition requiring investigation Neurological symptoms : Tingling, numbness, balance problems, or cognitive changes, which could suggest B12 deficiency or other neurological conditions Mood changes : Anxiety, agitation, or depression that develops or worsens after starting supplementation Palpitations or rapid heartbeat : Though rare, some individuals report cardiovascular symptoms that should be evaluated It's important to note that sleep disturbances may be unrelated to B12 supplementation
