Rather than focusing only on symptoms, modern medicine is beginning to focus on the systems that drive them
Similarly, a meta-analysis of nine observational studies in older adults found low serum vitamin B 12 concentration to be associated with increased risk for depression, with significant association only in women (100)
Vitamin B12 Deficiency Symptoms | Signs & NHS Treatment Vitamin B12 deficiency symptoms can be subtle yet far-reaching, affecting the blood, nervous system, and overall wellbeing
Vitamin B12 is essential for the conversion of carbohydrates into glucose, facilitating energy production and alleviating fatigue and lethargy
Apostolopoulos, Vitamin B1, B2, B3, B5, and B6 and the Immune System, in Nutrition and Immunity, Cham: Springer International Publishing, 2019, pp
Are Vitamin B12 shots effective