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Description
Symptoms of Low Vitamin B12 Levels You can tell if your vitamin B12 levels start to taper off or become low if you start feeling any of the following symptoms
Some gastrointestinal adjustment occurs, particularly nausea, which is usually mild and transient
doi: 10.1038/s41598-017-00224-6
PMID 22415298
How to Self-Administer an IM Injection Watch as Dr
