Read more: Everything you need to know about glutathione injections #3 Gastrointestinal Distress (low to moderate risk) Your stomach might get a bit upset, leading to nausea or a queasy feeling
A standard multivitamin may be all that is needed to correct a mild vitamin B12 deficiency
Compared to the control Chang liver cells, glucose absorption was enhanced by the Leonotis leonurus extract-nanostructured lipid carriers (NLCs) (131)
At the same time 32% of those studied experienced adverse events, including liver dysfunction and one case of anaphylaxis (Alzahrani et al., Cureus 2025, PMID 40013212)
Room temperature stable- no refrigeration necessary
But that also, if you look at what that would imply, it would also imply that all the other antioxidant nutrients are very important in the thyroid as well, because vitamin C and zinc and copper, manganese and a whole suite of iron, even too much iron is bad for you