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We should rotate injection sites each time to prevent bruising or irritation

that is the reason why the (Dutch) Health Council (Gezondheidsraad 2003) has not set an upper limit for the intake of B12 supplementation

When combined with diet, exercise, and B12 injections, it can fast-track your weight loss goals

Always make sure there are no air bubbles before injecting

Insider's takeaway The Institute of Medicine has not established a tolerable upper intake level of B12 because studies show no adverse health effects when taking excess levels of B12, either through food or supplements

It also supports cognitive function, sleep quality, and overall body composition