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Solaray Mega Vitamin B-Stress, Two-Stage Timed-Release | Specially Formulated w/B Complex Vitamins for Stress Support | Non-GMO | Vegan | 120 Tabs - Walmart.com
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Vitamin B12 deficiency results in severe oxidative stress, leading to memory retention impairment in Caenorhabditis elegans - ScienceDirect
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