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Five kinds people should be cautious in taking vitamin supplements

Psoriasis: Avoid vitamin A.
The routine drugs for psoriasis is retinol, a vitamin A derivative. After entering the body, it will be stored in the liver. Overdose (more than 0.7 mg per day for men or more than 0.6 mg per day for women) can produce toxins in the body, leading to the deterioration of the conjunctivitis, hair loss and skin diseases

Heart disease: Avoid vitamin E and potassium.
For patients with heart disease, high doses of vitamin E (400 units in a day, equivalent to 363 mg) may increase the risk of heart failure by 13%. Excessive potassium supplement (more than 3500 milligrams a day) will increase the risk of developing heart palpitations and arrhythmia.

Diabetes: Avoid vitamin B3.
If diabetes patients supplement a large number of vitamin B3 (for men and women, respectively more than 13 and 17 mg mg a day) can lead to elevated blood sugar and aggravate the high blood sugar problem.

Osteoporosis: Avoid vitamin A and phosphorus.
High phosphorus levels in the blood (supplement of more than 1000 mg/day) can lead to loss of calcium in bones and increased risk of osteoporosis. British health guidelines recommend phosphorus intake should not be more than 250 milligrams a day. High doses of vitamin A is closely related to reduced bone mineral density.

Gastric ulcer: Avoid vitamin A.
The study found that taking vitamin A supplementation and gastric ulcer drugs at the same time will significantly diminish the efficacy of the latter.

In addition, patients of kidney disease and prostate cancer had better not take calcium supplements. Two frequent causes of kidney disease are high blood pressure and diabetes. Calcium supplements more than 700 mg a day (recommended) can lead to calcium accumulation in the kidney and cause kidney stones over time.

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