Taboos to eat vitamin c

1, people with poor renal function should not take more vitamin C. Taking too much vitamin C for a long time may cause hyperacidity, gastric reflux and even urinary calculi. Especially people with kidney deficiency should eat less vitamin C.

2. Don't suddenly stop taking vitamin C after taking a large amount. If vitamin C is stopped suddenly, it will cause drug withdrawal reaction, which will aggravate or relapse the symptoms. You should gradually reduce the dosage until you stop taking the medicine completely.

3. Vitamin C should not be combined with isoniazid, aminophylline, streptomycin, penicillin and sulfonamides; Otherwise, the efficacy of the above drugs will be reduced or ineffective due to acidic environment.

Extended data

Officially recommended intake of vitamin C:

1, proposed by the British Food Standards Agency: 40 mg per day.

2, the World Health Organization proposed: 45 mg per day.

3. The National Science Society of the United States proposed: 60-95 mg per day.

4. The United States officially defines the tolerable upper intake of 25-year-old men as 2000 mg per day.

Baidu encyclopedia-vitamin c

Baidu encyclopedia-vitamin c