b12 injection cleaner Berryman Products 0121, B-12 Chemtool Fuel Injector for Trucks & SUV's, 21 oz. Pour Can ounce spray can. (4 PACK) B-12 Chemtool Carburetor,

Vitamin C and Copper Research suggests that taking vitamin C and copper together may promote free radical formation, which could contribute to oxidative stress and potential kidney damage in high doses or prolonged use

B12 Vitamin Store makes no claims regarding positive or negative effects of vitamin C injection and accepts no responsibility for the usage of their products

B12 is water soluble vitamin so there's no worry of overdosing them with B12

Orders are shipped without signature confirmation unless otherwise noted

Then, weekly for a few more weeks

B12 is water-soluble, meaning your body excretes any excess through urine