Whey protein is a hugely popular dietary supplement and is pretty much universally seen as being healthy. Generally, though, people only equate whey protein powder with muscle growth, fat loss and improved athletic performance
Following cellular uptake, cystine undergoes reduction to cysteine, primarily mediated by thioredoxin-related protein 14 (TRP14) through the dithiol-disulfide exchange (Mart-Andrs et al., 2024)
Those conversations belong with the gastroenterologist
In this case, the B12 shots have started to heal the damaged neurons myelin sheath, but the neural network in which the healed neuron is in, is in a super sensitive state (with extra receptors), so the patient may feel pain or other unpleasant sensations
Unexplained hypercobalaminemia, particularly levels above 1,000 pg/mL, has been associated with liver disease, kidney dysfunction, myeloproliferative disorders, and certain solid cancers in multiple large-scale studies
All the authors declare no competing interests