Although we considered those as non-specific binding, it should be noted that GSH can bind proteins via stable, non-reducible, thioethers and these could account for some of these positive spots 28
Five common causes include: gastrointestinal (GI) issues like bloating or constipation, gallbladder issues, kidney stones or infection, pancreatitis, and menstrual cycle or hormonal changes
Free form amino acid, high purity, well tolerated
As people age, the ability to absorb vitamin B12 from food often diminishes due to decreased stomach acid production
References Garvey WT, Mechanick JI, Brett EM, Garber AJ, Hurley DL, Jastreboff AM, et al