You are conflating having a deficiency with supplementation despite having no deficiency. If you have a deficiency, yes, you need to take more of that particul

You are conflating having a deficiency with supplementation despite having no deficiency. If you have a deficiency, yes, you need to take more of that particular vitamin. But the evidence is against people without a deficiency taking a general purpose vitamin. A good pointer to recent studies: https://sciencebasedmedicine.org/more-evidence-that-routine-multivitamin-use-should-be-avoided/ https://sciencebasedmedicine.org/more-evidence-that-routine-...