Common indications include: Pernicious anaemia an autoimmune condition where the stomach cannot produce intrinsic factor, a protein necessary for B12 absorption [8] [9] Malabsorption disorders including Crohn's disease, coeliac disease, or following gastric surgery Strict vegan or vegetarian diets with confirmed deficiency though high-dose oral B12 may be sufficient if no malabsorption exists Certain medications such as metformin or proton pump inhibitors that may interfere with B12 absorption [9] [10] Neurological symptoms including peripheral neuropathy, memory problems, or balance difficulties related to deficiency Diagnosis should be confirmed through blood tests measuring serum B12 levels, full blood count, folate, and often anti-intrinsic factor antibodies
One of these changes includes the increased production of androgen, a male sex hormone that increases the skins sebum production
However, Lacto-Ovo vegetarians who consume dairy and eggs typically get enough B12 from these animal-derived foods
As a result, GnRH regulates the secretion of FSH and LH and is recognized as a critical modulator of the reproductive axis (224)
doi:10.1016/j.mad.2003.11.005 Land SC
Ren L, Jia Y, Ruth N, Qiao C, Wang J, Zhao B, Yan Y (2016) Biodegradation of phthalic acid esters by a newly isolated Mycobacterium sp
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