as described by Falanga and colleagues, TfR is expressed highly in bone marrow, immune system, and female tissues, moderately in brain, endocrine tissues, lung, gastrointestinal tract, kidney, urinary bladder, male tissues, and skin, and low in muscle tissues, liver, gallbladder, adipose, and soft tissue, aside from serum [21]
Helps Protect Brain & Nervous System As a major antioxidant in the brain, glutathione helps protect neurons from oxidative stress, which supports cognitive function and long-term brain health
It has been FDA-approved since 2022 for type 2 diabetes and 2023 for obesity, and Lilly has now added obstructive sleep apnea to the label
Because B12 is so closely linked to energy production and normal bodily function, it has become a common supplement in wellness and weight-loss settings