How Can You Find Out the Maximum Dosage of Vitamins?


Quick Answer

WebMD provides information on the daily recommended dosage and the tolerable upper intake level of each vitamin that can be taken safely without toxicity or side effects. Most adults can consume a higher dosages of vitamins than the recommended daily allowance listed on food labels without exceeding the maximum dosages.

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Full Answer

The maximum dosage or tolerable upper intake level of vitamin B complex is 3,500 milligrams per day, reports WebMD. Up to 10,000 International Units per day of vitamin A and 2,000 milligrams per day of vitamin C do not cause adverse effects. The maximum dosage of vitamin D is 100 micrograms or 4,000 International Units per day, and the maximum dosage of vitamin E is 1,500 International Units per day.

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