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<http://schema.org/description>
"It's no secret that vitamin D is a powerful nutrient affecting many health aspects. Adequate vitamin D levels have been linked to protection against respiratory infections, cognitive decline, bone disease, depression, autoimmune diseases, and COVID-19."
<https://www.discountnutritionshop.com/product/colloidal-silver-30ppm-8-fl-oz-trace-minerals-research-/9721>