To be metabolized, B12 is combined with a particular protein made in your stomach, without which the vitamin wont be absorbed into your body
Various studies have been performed recently too, such as this one by the US National Library of Medicine, but there is no conclusive evidence of it working for skin lightening yet
This FDA approval means the drug has undergone extensive safety and efficacy testing, meets pharmaceutical manufacturing standards, and is available through regulated channels
For rubber-stoppered vials, the seal degrades with each needle puncture
The mean daily nutrient intake was calculated using modified Nutritionist IV software
Researchers must comply with all applicable institutional, state, and federal regulations governing the use of research chemicals