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Also, individuals who have undergone certain surgical procedures, including intestinal resection, bypass, or bariatric surgery, which may reduce Vitamin B12 absorption, are also eligible
Publisher USADA Accessed Jun 27, 2026 Study type Regulatory Document Limitations: Anti-doping guidance is not a medical evidence review, but it is highly relevant for athlete risk and prohibited-substance context
The same protocol that produces dramatic results for one researcher may show modest effects for another
In addition, mitochondria are also the primary producers of intracellular reactive oxygen species (ROS), most of which originate from the mitochondrial respiratory chain [55]
Save high-fiber foods for post-workout or evening meals
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