They cannot predict your individual response, and much of what circulates online is anecdotal rather than evidence
Medicine 2021
Numerous skin aging treatments exist, and mostly consist of topical products (e.g., retinoids, -hydroxyacids, broad-spectrum sunscreens, and antioxidant/anti-inflammatory agents, such as preparations containing vitamin C, vitamin E, and niacinamide6) and invasive or minimally invasive procedures (e.g., ablative and nonablative laser therapy, intense pulsed light therapy, radiofrequency, dermabrasion, and chemical peels)
Of those, the one with retention time at 1.43 min corresponds to GSH, and the new signal at 1.11 min was assigned to GSO 3 H (See the HPLC traces in the ESI)
31 HIV men were recruited and randomized to receive either placebo or GHRH analog twice daily for 12 weeks