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Chemotherapy with drugs like 5-fluorouracil has also been associated with acute thiamine deficiency by disrupting thiamine activation, so oncology patients receiving such therapy might receive parenteral thiamine supplementation as part of this B-Complex if needed

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Individuals who may benefit from Vitamin B supplements include those with dietary restrictions (like vegans, who might lack vitamin B12), the elderly, those with certain medical conditions, pregnant women (who may need more Vitamin B9), and anyone with a diagnosed deficiency in one or more Vitamin B nutrients