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Within sensible limits, the basics help your body hold its levels: a diet that includes B12 sources if you are not vegan, limiting heavy alcohol use, and not smoking, since both affect how you absorb and store nutrients
Activating both at full dose simultaneously, with no titration runway, is what community sources describe as the failure mode that drives discontinuation
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Bensky MJ, Ayalon-Dangur I, Ayalon-Dangur R et al (2019) comparison of sublingual vs
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