In a study of 643 cardiac patients who underwent coronary angiography in Germany, those who died of heart attacks had much lower glutathione peroxidase levels than those who survived
No downtime or recovery
It is important to acknowledge that the relationships we found between AC levels, MDD diagnosis, depression severity and depression profiles may be explained to some extent by shared distal environmental and lifestyle factors (e.g., comorbid somatic diseases, sedentary behavior, smoking, high-fat diet, alcohol consumption [61,62,63,64] that could act as confounder or mediators of the association
If you're looking to boost your intake, I've found that lean meats, fish (like the salmon mentioned for collagen!), dairy, eggs, and legumes are fantastic sources