This could be as simple as noting your energy levels, skin condition, or frequency of getting sick before vs
Anjum NA, Singh N, Singh MK, Shah ZA, Duarte AC, Pereira E, Ahmad I (2013) Single-bilayer graphene oxide sheet tolerance and glutathione redox system significance assessment in faba bean (Vicia faba L.)
Sima AA, Calvani M, et al
The effect of l-arginine supplementation on lipid profile: a systematic review and meta-analysis of randomised controlled trials
Effectiveness Advantage: Allies of Skin Though all of our recommendations in this guide contain research-supported, potentially effective ingredients, our pick from Allies of Skin includes ectoine (most often spelled ectoin in cosmetics)