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Does vitamin e have a shelf life?
Vitamin e has a shelf life. The general shelf life is 3 years. Pay attention to moisture-proof when storing vitamins. Vitamin C is more deliquescent and needs special attention. First of all, don't put vitamins in the kitchen, bathroom or refrigerator, but in a cool and dark place.

Secondly, don't open the bottle cap repeatedly. When you take it, you can pour it on the bottle cap, not on your hand, or you will find that if you pour too much, you will bring the water from your hand into the bottle. Finally, if the vitamin changes color obviously after opening, don't take it even during the shelf life.

Extended data

A study by Swedish scientists found that excessive use of antioxidant vitamin E may promote the metastasis of lung cancer. The researchers fed antioxidant vitamin E to mice with lung adenocarcinoma for a week, and found that the incidence of lung cancer metastasis in these mice was 6-7 times higher than that in the control group, and their cancer cells were more aggressive and metastatic. Another American team came to a similar conclusion. The research results of the two institutions were published in the latest issue of Cell magazine.

Clinically, a previous study of 50 thousand people for 20 years showed that the risk of breast cancer, lung cancer, uterine cancer, lymphoma and leukemia increased after vitamin E supplementation in some genotypes. Other studies have shown that taking too much vitamin E will increase the risk of prostate cancer.

People's Network-Vitamins can't supplement vitamin E or get cancer.

People's Network-Vitamins are afraid of moisture, so keep in mind three points when storing.