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Excessive caffeine or energy drinks: Large amounts of caffeine may raise stress hormones and oxidative stress, reducing the effectiveness of supplementation
American Journal of Physiology-Cell Physiology
Different sites reduce local irritation, lower the risk of stacked injection-site reactions, and help you tell which compound is causing any reaction
Tsai-Turton M, Luderer U
Pour la grande majorit de la population, et particulirement pour les vgtariens, les vgtaliens et les personnes ges, les risques lis une carence de vitamine B12, comme l'anmie ou les atteintes neurologiques irrversibles, surpassent largement les risques minimes d'une supplmentation orale matrise
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