On the other hand, a study with a different design, namely a randomized, double-blind, placebo-controlled crossover comparison clinical trial, and partially different cohort and methodologies demonstrated that daily oral administration of very low doses (1.5 g/day) of l-ARG for a very short time (17 days) did not improve patients satisfaction with their penile erectile function and their sexual life, analyzed by the standardized KEED questionnaire for ED, in 30 middle-aged men affected by ED of mixed etiology and severity [29], suggesting that higher doses and longer-term supplementation might be required, or that l-ARG might be of particular benefit in subtypes of ED, such as those of vasculogenic etiology
Schmig F, Pumberger M, Palmowski Y et al (2021) Vertebral disk morphology of the lumbar spine: a retrospective analysis of collagen-sensitive mapping using dual-energy computed tomography
Makimura, H
Factors Affecting Glutathione Supplementation Several variables can impact intake of glutathione supplementation: Age: Younger people may metabolise supplements differently from older people
This is suggestive of a functional defect in thiamine utilization