B12 supplementation is appropriate for individuals with confirmed deficiency, vegans, older adults, those with malabsorption disorders, people who have had bariatric surgery, and those on long-term medications such as metformin or proton pump inhibitors
Individual results vary depending on skin type and routine consistency
16,23,24 Moreover, in cancer cell lines (Table 1), increased expression levels of xCT were found to be associated with increased intracellular levels of glutathione and cisplatin resistance
The fact that multiple independent review sites rate it in the 3-3.5 range out of 5 places it squarely in the "adequate" category, not the "excellent" one
Yet it comes down to your providers discretion regarding how this works for you or whats recommended
If you're experiencing persistent or severe symptoms, please consult your healthcare provider