Health problems due to mixed nutritional supplements

When taking it at the same time should always be informed
Whether vitamin D, calcium or iron: Many people rely on the positive effects of dietary supplements. But just who takes different products at the same time, should be informed exactly. Otherwise, there is a risk of overdose, which can lead to health problems.
Vitamin C and E are most commonly supplied
Dietary supplements are popular and used by consumers to counteract possible nutritional deficiencies and to meet the need for essential nutrients. According to a report by the University of Hanover and the Nuremberg Society for Consumer Research (GfK), magnesium is the most frequently supplemented, followed by calcium, zinc and selenium, according to the Confederation for Food Law and Food Science (BLL). Vitamin C and vitamin E were therefore the most commonly added vitamins.

Observe possible interactions with dietary supplements. Image: pat_hastings - fotolia

Diarrhea and headache due to permanent overdose
Many consumers prefer combination products, hoping to cover all health needs quickly and easily with a single pill. Who in addition, however, other preparations such. Taking calcium or magnesium tablets should look closely on the advice of the BLL. Otherwise, the recommended daily allowance for individual vitamins or minerals could be exceeded.

Although this is not usually a problem in exceptional cases, a permanent "overdose" should be avoided according to the BLL, as higher levels of magnesium could e.g. have a laxative effect on sensitive people. A strong and permanent overdose of vitamin D can cause vomiting, diarrhea and headaches, too much iron may even increase the risk of heart and vascular disease, warns the magazine "eco-test".

Ingestion can be useful for pregnant women and vegans
In case of uncertainties, it is therefore advisable to contact the attending physician, pharmacist or a nutritionist, the BLL continues to the news agency "dpa". In general, dietary supplements are only to be considered as a supplement and accordingly could neither replace a balanced diet nor act in the form of a drug. However, intake can often make sense, e.g. be with pregnant women, vegans or vegetarians. It might also be considered if e.g. a certain vitamin can not be absorbed adequately through the diet. (No)