
This Common Supplement is giving you Cancer, but you should keep taking it..
Physionic
Jun 13, 2025
Mindsip insights from this episode:
Limit folic acid to protect immune function
High folic acid exposure can be cytotoxic, meaning it may kill the Natural Killer (NK) cells your immune system uses to eliminate cancer cells.
Avoid high-dose folic acid to reduce cancer risk
A study on nearly 7,000 people found that high-dose folic acid supplementation increased cancer deaths by 38% over six years.
Rely on whole foods for adequate folic acid intake
You probably don't need to supplement with folic acid if you eat plenty of whole foods like leafy greens, legumes, asparagus, and sunflower seeds.
Monitor fortified foods for adequate folic acid intake
Pay attention to fortified foods like certain cereals, which can contribute the full recommended daily allowance of folic acid, in addition to any supplements you take.
Limit folic acid intake to recommended daily allowance to reduce cancer risk
The studies showing increased cancer risk used high doses of folic acid, which is double the recommended daily allowance of 400 micrograms.
Maintain folate intake to reduce cancer risk
Eliminating folate entirely also increases cancer risk, as it is a critical player in building and repairing your DNA molecules.
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