In this two-part series, Dr. Lesser reviews, importance of choosing quality supplements over cheap store-bought supplements. He continues his previous series on methylated B12 and methyl folate and the importance of supplements and the treatment and prevention of cardiovascular disease, neurological diseases, such as Alzheimer’s dementia, as well as mental health disease, such as depression and anxiety. He presents a fantastic case study, the treatment of depression with quality supplements. Dr. Lesser reviews homocystine levels and MTHFR and the impact On our health and will continue this discussion in the next episode.