A crucial methodological warning applies to all of these comparisons: the figures come from separate trials with different populations, baseline weights, durations, and escalation schedules, so they cannot establish which molecule is superior
Different recovery of endogenously contained and exogenously added melatonin
What the Research Says In a 2020 double-blind clinical study, participants who supplemented with MSM for 16 weeks experienced improvements in skin firmness, elasticity, hydration, and a significant reduction in the appearance of fine lines and wrinkles (Muizzuddin et al., 2020)
Reconstitution volume determines solution concentration
in Metabolic and Molecular Bases of Inherited Disease (eds Scriver, C