Bulletproof Zinc with Copper Capsules, 60 Count, Minerals and Antioxidant Supplement for Immunity and Mood

Customers find the mineral supplement effective and appreciate its combination of zinc and copper, noting it helps maintain health and lower cholesterol levels. The supplement is easy to swallow, and customers love Bulletproof products. While some customers report feeling more energized, others experience nausea, and opinions on the product's renewability are mixed.