Efudex or 5-fluorouracil (5-FU) is a topical chemo cream that is used to treat pre cancers actinic keratoses, as well as some basal and squamous cell skin cancers. After treatment, it is very important to protect yourself from intense UV radiation. Always check with a medical professional before starting any new treatment.
The following links are recommendations from a Naturopathic Dr. and a Dermatologist Dr.
Carlsons ACES + Zn https://amzn.to/2I9dZhA
Non GMO Multivitamin for Men https://amzn.to/2uq2C2H
Non GMO Multivitamin for Women https://amzn.to/2Gdsgxh