The deeper anti-aging effects, epigenetic, antioxidant, immune, are measured over a full cycle and beyond, best assessed through objective follow-up data rather than subjective experience alone
By infusing glutathione intravenously, patients are able to experience higher concentrations of this antioxidant than what would typically be achieved through oral supplements
If you're looking for foods fortified with B12, breakfast cereals as well as some soy and other plant milks are good bets
Heart problems, including signs of rapid weight gain, general swelling or feeling like you're short of breath
Neuroscience assay development (using a defined peptide sequence for method setup, validation, or cross-study comparisons)
There are some very rare side effects listed in medical literature (mostly when large doses are given): for example, one out of many thousands of patients might develop a disturbance in liver enzymes or a tingling in the fingers or toes