Vitamins (B₁, B₆, B₁₂): Orchestrating Neurotransmitter Synthesis and Energy Flux under Chronic Stress Vitamin B complex in neuro-metabolic resilience of mood and cognition under stress in students, professional, entrepreneurial, and menopausal populations 0009-0007-5798-1996 DOI: 10.5281/zenodo.16889303