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Below are possible Vitamin B12 deficiency symptoms: Weakness, tiredness, or lightheadedness Heart palpitations and shortness of breath Pale skin A smooth tongue Constipation, diarrhea, loss of appetite, or gas Nerve problems like numbness or tingling, muscle weakness, and problems walking Vision loss Mental problems like depression, memory loss, or behavioral changes You can also get vitamin B12 deficiency if you follow a vegan diet or you are a vegetarian who doesn't eat enough eggs or dairy products to meet your vitamin B12 needs
PubMed laboratory research record [PMID: 2297042] PubMed record related to this compound for laboratory literature review
Neuropeptide Y (NPY) Neuropeptide Y (NPY) is a 36 aa peptide that belongs to the F- and Y-amide gene family [21, 166, 167]
It is not approved for human or animal consumption
The Architectural Divide: One Molecule or Two
