Why it's not recommended by Ray Peat? A quick search in Google will show dozens of papers showing multiple benefits.
Edit: on mobile and the title just showed wrong LOL. I'm refering to d-alpha-tocopherol succinate.
Here is an example.
D-alpha-tocopheryl succinate (vitamin E) enhances radiation-induced chromosomal damage levels in human cancer cells, but reduces it in normal cells. - PubMed - NCBI
Edit: on mobile and the title just showed wrong LOL. I'm refering to d-alpha-tocopherol succinate.
Here is an example.
D-alpha-tocopheryl succinate (vitamin E) enhances radiation-induced chromosomal damage levels in human cancer cells, but reduces it in normal cells. - PubMed - NCBI