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It also plays a crucial role in the functioning of the nervous system, as it is needed to produce the protective covering of nerves known as myelin
Oral B12 supplements have to pass through the gut, and absorption can be limited especially if you have digestive issues, take certain medications like metformin or antacids, or simply have low stomach acid
The specific amino acid sequence is Gly-Glu-Pro-Pro-Pro-Gly-Lys-Pro-Ala-Asp-Asp-Ala-Gly-Leu-Val, with a molecular weight of 1419 daltons
A deficiency can lead to symptoms like fatigue, breathlessness, numbness or tingling in the hands and feet, memory problems, and mood changes
Anaphylaxis to compounded vitamin injections: Case series and safety recommendations
