It might be the best first step toward understanding and addressing your symptoms effectively
If you have a severe medical condition or health concern, see your physician
doi: 10.3389/fphar.2021.718147 Received 09 June 2021 Accepted 17 November 2021 Published 13 December 2021 Volume 12 - 2021 Edited by Fan Jiang, Shandong University, China Reviewed by Dechang Chen, Shanghai Jiao Tong University, China Ying Li, Xian Jiaotong University, China Updates Copyright 2021 Tepes, Gojkovic, Krezic, Zizek, Vranes, Madzar, Santak, Batelja, Milavic, Sikiric, Kocman, Simonji, Samara, Knezevic, Barisic, Lovric, Strbe, Kokot, Sjekavica, Kolak, Skrtic, Seiwerth, Boban Blagaic and Sikiric
This is the biologically active fraction of vitamin B12 in the blood, as it is in only this form that B12 can be delivered to all the cells of the body