glycine or glutathione as a conditionally essential amino acid and its relationship to l-serine The Biological Functions of Glutathione

An ordinary ruler will work for this

And any woman being sold a stack of unproven compounds for vague goals like general "anti-aging" or "optimization" is not a candidate for that stack, because the evidence to justify it does not exist

Here are the general guidelines for oral treatment: 1

Estimation of Cumulative AUC and Target Attainment For comparing the target attainment between cohorts, the individual cumulative AUC (cAUC) for each patient was derived from the integration of the concentration over time, using the empirical Bayes estimates of individual CL over the entire treatment course as follows: Target attainment was defined as the achieved cAUC divided by the target cAUC for the patient, multiplied by 100%