Collagen works any time of day, but many prefer it with breakfast or in the evening
Diabetes Nutr Metab 17:95102 Chanson A, Rock E, Martin JF, Liotard A, Brachet P (2007) Preferential response of glutathione-related enzymes to folate-dependent changes in the redox state of rat liver
Amyotroph Lateral Scler Front Degener 21:514 Kriz J, Nguyen MD, Julien JP (2002) Minocycline slows disease progression in a mouse model of amyotrophic lateral sclerosis
How does genetic variation affect glutathione dosing needs
S., Ramachandran, V., van Lent, D
A study reported that glutathione was most effective when given to people with fatty liver disease intravenously, in high doses