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This is especially useful for people with B vitamin deficiencies who may feel tired or fatigued throughout the day
Staging vitamin B-12 (cobalamin) status in vegetarians
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Trouble focusing
Improved Energy Levels When B12 starts working, you will experience increased energy levels as an initial indicator
Drug interaction guide Originally published 25 Jan 2026 DownloadDownload Share Language Discussion Audio Version Add to preferred sources on Google Taking folic acid on its own can hide (mask) a vitamin B12 deficiency
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