A recent systematic review and meta-analysis of 21 randomized, placebo-controlled trials examining the effect of B-vitamin supplementation found the supplementation decreased homocysteine concentrations and improved measures global cognitive function but had no effect on individual measures of executive function, information processing speed, or episodic memory (89)
Without adequate B vitamin levels, the bodys ability to metabolise fats, carbohydrates, and proteins is significantly compromised
[9] [2] According to NICE guidance, patients with confirmed B12 deficiency and neurological involvement typically require more frequent initial dosing (alternate-day injections) until symptom improvement occurs
Not FDA-approved for weight loss
Vitamin D is essential for strong bones because it helps you assimilate calcium
Apparently the underlying thought is that it is necessary to keep the value between the (upper and lower) reference values