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Vitamin B6 plays a key role in the production of serotonin and dopamine

Additionally, pharmaceutical companies can use contract manufacturing, which is also called third-party manufacturing, to delegate their entire production operations to established manufacturers who operate state-of-the-art production facilities and hold necessary industry certifications and employ qualified personnel

Elevated MMA levels in patients with vitamin B12 deficiency can contribute to myelin damage (myelopathy) and, consequently, peripheral and autonomic neuropathy ( Cobalamin deficiency can lead to neurological manifestations such as progressive axonal demyelination, impaired peripheral and sensory nerve function, areflexia, loss of proprioception and vibration sensitivity, and subacute combined spinal cord degeneration (70)

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