The Claim
Daily supplementation with 500 mg of synthetic vitamin C for more than 10 years has no effect on the incidence of total cancer or prostate cancer in healthy male physicians aged 50 and older.
What the research says
Supports is higher
Support is ahead, but a single strong opposing study can change this.
These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.
Taking 500 mg of synthetic vitamin C every day for over 10 years does not change how often healthy male physicians aged 50 and older develop total cancer or prostate cancer.
See the scientific wording
Supplementation with 500 mg of synthetic vitamin C daily for over 10 years has no effect on the incidence of total cancer or prostate cancer in healthy male physicians aged 50 and older.
Taking vitamin C every day for many years does not change how often cancer develops because the body already has enough natural defenses to handle DNA damage and oxidative stress, and adding more vitamin C doesn't improve those defenses or stop cells from turning cancerous.
What the research says
1 studyThis big study gave older men daily vitamin C pills for over 10 years and found they got cancer just as often as men who took sugar pills — so vitamin C didn’t help or hurt their cancer risk.
Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.