This matters more than most researchers realize
Kojic acid will give you fast results on dark spots, but glutathione gives you whitening that lasts longer
The Mega Myers addresses this from two angles: 1000mg of direct IV glutathione for immediate protection, plus NAC, which provides the cysteine your cells need to manufacture more glutathione on their own
Reduction in levels of particular uremic toxins is not always observed with different probiotics, and even one meta-analysis study reported that probiotics had no significant effect on the levels of p-CS in CKD patients (Chen et al., 2022)
*Definition: Glutathione is an antioxidant that is created by combining the amino acids glycine, cysteine, and glutamic acid
Vitamin B12 stays in the body for different amounts of time