DNA Deoxyribonucleic acid bases and phosphodiester backbones are susceptible to oxidative stress (inflammation), and peroxidation of these structures can cause strand breaks and cross-linking of the DNA and result in disrupted transcription, translation, and DNA replication It has been suggested that damaged genomic DNA of the spermatozoa can be transmitted to the offspring and lead to increased incidences of miscarriage, fetal anomalies, and birth defects They went on to show that treatment with Vitamin C and Glutathione reduced the level of hydroxy-2-deoxyguanosine which is a measure of DNA oxidative damage
There is pitting, ridge formation, denting, a change in color of the nail to yellow or brown, a change is nail shape, thickening of the nails and lifting of the sides of the nails
Instead of brightening, firming, healing, and rejuvenating the skin, both products can become weaker and less effective
If you're getting B12 injections, then there's no need for further B12 assays