Excessive levels of folic acid or vitamin A in individuals with cancer can accelerate cancer progression. — Whalespan
Excessive levels of folic acid or vitamin A in individuals with cancer can accelerate cancer progression.
⚠ High risk
We can't find evidence that holds up here. Proponents are reasoning from mechanism or analogy rather than direct human data, and the most credible skeptics raise objections we can't dismiss.
✕NOTSUPPORTED
⚠
High-risk intervention — consult a physician before acting.Drug-drug interactions, dose-dependence, and screening contraindications apply.
“some of the studies included in this metaanalysis began with a population of individuals that were either in an early or late stage of cancer and found that giving them excessive levels of a particular vitamin namely folic acid or vitamin A actually accelerated the cancer”