Best answer: Can vitamins cause stomach cancer?

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Can supplements cause stomach cancer?

Cohort studies provide little evidence that vitamin supplements are associated with cancer. Case-control studies have reported an inverse association between bladder cancer and vitamin C; oral/pharyngeal cancer and several supplemental vitamins; and several cancers and vitamin E.

Can vitamins give you cancer?

Dietary supplements, such as over-the-counter multivitamins, do “more harm than good” and can increase the risk of developing cancer and heart disease, according to research in the US.

Can vitamins be bad for your stomach?

But routinely getting an overload of vitamins and minerals can hurt you. Too much vitamin C or zinc could cause nausea, diarrhea, and stomach cramps. Too much selenium could lead to hair loss, gastrointestinal upset, fatigue, and mild nerve damage.

What vitamin has been linked to cancer?

high serum concentrations of B-vitamins, carotenoids and tocopherols have been associated with increased risk of colorectal cancer and cardiovascular disease (13–20).

What vitamins help stomach cancer?

Like vitamin C, vitamin E is an important antioxidant and could reduce stomach cancer through neutralization of free radicals (14) and inhibition of nitrosamine formation (15) .

Why do GNC vitamins have a cancer warning?

You may have noticed warnings on certain products stating that they contains chemicals known to produce cancer or cause reproductive damage. These warnings are the result of California’s Proposition 65, or the Safe Drinking Water and Toxic Enforcement Act.

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Can you feel good and still have cancer?

Cancer is always a painful disease, so if you feel fine, you don’t have cancer. Many types of cancer cause little to no pain, especially in the early stages.

Why do vitamins upset my stomach?

“Once vitamin C is consumed, you can get that build-up of acid in the stomach,” she says. While it’s absorbing into your body – a process which can take two to three hours – the high levels of acidity may cause nausea for those with a sensitive stomach.

Is it bad to take a multivitamin every day?

A 2013 editorial in the Annals of Internal Medicine found that daily multivitamins don’t prevent chronic disease or death, and their use can’t be justified — unless a person is below science-based requirement levels.

What happens when you stop taking vitamins?

Supplement withdrawal

Compromised immune system that is vulnerable to illness. Fatigue or tiredness. Depression. Physical weakness.