The revitalizing effect can often be felt after the first application
Which one to choose Pick the B12 IM injection when: You only want B12, not hydration or other vitamins You want the fastest, lowest-cost visit You are on a regular B12 cadence (weekly, biweekly, monthly) and want it to be a quick stop Your physician has flagged low or low-normal B12 on bloodwork and recommended supplementation Pick the IV with B12 added when: You also want fluids (post-travel, post-event, training recovery) You want a broader vitamin and mineral panel in the same session You are coming in for a Myers Cocktail or hydration drip already, and adding B12 is a small marginal cost You want to combine B12 with glutathione or a NAD+ session What clients actually do at Dripology Most regulars use both at different times
doi: 10.1210/jc.2006-1702
In that case, transferrin saturation under 20% confirms low iron despite a deceptively normal ferritin
But, look, if worse comes to worse, even if you do get B12 injections, the likelihood of it triggering acne may only be about 1 in 10
Up to 80% of circulating B12 is in the inactive form