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However, theres currently no evidence that taking B12 supplements increases energy levels in people who are not deficient in this nutrient

[DOI] [PMC free article] [PubMed] [Google Scholar] 21.Pandya JD, Leung LY, Flerlage WJ, Gilsdorf JS, Bryant YD, Shear D

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Gastroenterology 137 (6), 20302040.e5

Additionally, the long-term systemic impact of varicocele-induced immune-inflammatory dysregulation on male overall health (e.g., cardiovascular disease risk) remains unclear and warrants further epidemiological and mechanistic research