Adverse effect signal1 papers
The report describes a possible direct stimulation of hormone-resistant prostate cancer associated with the ingestion of a supplement containing folic acid, L-methyltetrahydrofolate, and vitamin B12.Human studies · Study type not identifiedmaternal metabolism and hypothalamic gene expression1 papers
Higher doses of both MTHF and FA were associated with potential adverse programming effects on maternal phenotype, including altered weight gain, food intake, and insulin resistance in rats.Animal studies · Study type not identifiedExcessive Folic Acid Exposure1 papers
Excessive exposure to folic acid has been linked to adverse health effects.Human studies · Systematic reviewAdverse effect signal1 papers
The review mentions that in the case of tumor existence, therapeutic use of folic acid requires great care as it may promote the progression of certain precancerous lesions.Human studies · Study type not identifiedAdverse effect signal1 papers
The review mentions possible side effects of folate supplementation in sickle cell disease, though specific side effects are not detailed.Human studies · Study type not identified