Vitamin Deficiency: Treating or preventing deficiencies caused by poor diet, certain illnesses, or alcoholism. Nerve Health: Supporting recovery from nerve pain or tingling. Convalescence: Recovery after surgery or prolonged illness. Mouth Ulcers: Often prescribed to speed up the healing of recurrent mouth sores

These vitamins act as co-enzymes in various metabolic pathways. They don't provide energy themselves but are necessary for the enzymes that extract energy from the fats, proteins, and carbohydrates you eat. They also maintain the myelin sheath (insulation) of nerves.

Common: Bright yellow urine (harmless, due to Riboflavin). Gastrointestinal: Mild stomach upset or nausea. Sensory: A peculiar odor in sweat or urine. Serious (Rare): Flushing or itching (usually due to Nicotinamide).