Can B-complex vitamin tablets be taken long-term?
Feb 21, 2025
Source: Cainiu Health
Dr. Bai Hongmei
Introduction
B vitamins include vitamin B1, B2, B5, and B12. These vitamins play important roles in energy metabolism, nervous system function, and cell health. However, long-term use of B vitamin supplements is generally not recommended, as the medication's components may inhibit the central nervous system and cause fatigue. If B vitamin supplements are needed, it is advisable to take them under a doctor's guidance.
Generally speaking, B-complex vitamin tablets are usually not recommended for long-term use, as analyzed below:
B-complex vitamins include vitamin B1, B2, B3, B5, B12, and others, which play important roles in energy metabolism, nerve function, and cell health. Adequate B vitamins are usually obtained through a normal diet, but older adults, pregnant women, and smokers may require additional supplementation. Appropriate supplementation with B-complex vitamins helps maintain overall health, relieve anxiety, depression, and nervous tension, participate in the metabolism of carbohydrates, fats, and proteins in the body, protect the liver, maintain normal digestive system function, and help prevent fetal developmental abnormalities and mouth ulcers.
However, long-term use of B-complex vitamin tablets is generally not recommended, as the drug components may inhibit the central nervous system, causing fatigue. Because B vitamins contain riboflavin, excessive long-term doses may result in incomplete absorption and utilization by the body. The excess riboflavin is excreted through urine, causing the urine to turn yellow.
If B-complex vitamin tablets are required, it is recommended to take them under the guidance of a doctor, clarifying the indications, dosage, and treatment duration. During the course of use, regular monitoring of relevant indicators should be conducted to adjust medication, discontinue use, or modify the dosage based on symptom relief.
