<![CDATA[Backgroud: Boxing sport requires a complex physical and physiological preparation. Many young boxers experience a significant decrease in performance and speed in the final rounds of the fight. A field study was conducted on 20 adolescent boxers (17-18 years) in Babil Governorate to assess the effect of integration of 'anaerobic threshold exercises' with the nutritional intervention under investigation. Methods: The study lasted for 8 weeks and the sample trained at a high intensity (between 80% and 90% of the maximum) where lactic acid begins to accumulate in the muscles. The experimental group was defined as the group that took one capsule of B-Complex vitamins every morning after breakfast and the control group only exercised. Results: The results indicated a clear advantage of the experimental group in the post-tests, showing a significant increase in explosive strength of the arms, speed endurance and the ability to sustain high performance in three consecutive rounds without a significant decrease. The scientific reason for this achievement is due to the role of B-Complex vitamins as enzymatic co-factors that enhance the metabolism of energy production (ATP) under hypoxic conditions, while minimising the adverse effects of the accumulation of lactic acid. Conclusions: These vitamins, particularly B6 and B12, were crucial in protecting the central nervous system, stalling “central fatigue” and preserving motor coordination and dazzling precision.The study recommends that coaches should include anaerobic threshold exercises during the special preparation period and support with morning B-Complex under medical supervision to enhance endurance and performance of players.]]>
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