B12 injections are harmless, simple, inexpensive, and very effective
Proteomic analysis has shown that overexpression of GPX4 in cancer cells can suppress iron dependent death mediated by the transcription factor RSL3, while GPX4 deficiency increases cellular sensitivity to iron dependent death
Common mild effects are injection-site irritation or temporary headache, if any
The annual dose should not exceed 600,000 IU as cholecalciferol
Your doctor may recommend taking a supplement with a variety of water-soluble vitamins, including B12, if you have kidney disease, especially if you have risk factors for becoming B12 deficient
Just choose a product that provides the dose you want at a low costgenerally 4 to 15 cents per 600 mg (see ConsumerTips)