Some supplements can play an important role in health. For example, calcium and vitamin D are important for keeping bones strong. Pregnant women can take the vitamin folic acid to prevent certain birth defects in their babies. Many vitamin and minerals are as single supplements for example, vitamin C, E, Beta carotene, calcium and iron.
It is not necessary to take supplement if people are healthy, if they are able to eat a balanced diet. Under some circumstances, vitamins, minerals supplements offer benefits and are advised. In certain conditions doctor or a registered dietitian recommended dietary supplements.
- A women with heavy menstrual bleeding- In this condition she needs an iron supplement to replace iron from blood loss. Iron supplement should be taken with water or juice enhances its absorption whereas it should taken with food in the case of nausea or constipation.
- A pregnant and lactating women- Generally pregnant and lactating women needs folate and iron supplement. Similarly, pregnant women consume 400 micrograms of folic acid daily, vitamin supplement along with fruits, vegetables and legumes. In this condition extra folic acid offers a safeguard against spinal cord defect in a developing fetus.
- A menopausal women- Calcium supplement with vitamin D, in addition a calcium rich diet help to show down calcium loss from bone in menopausal women.
- In restrictive diet- Doctor and dietitian suggest to take multivitamin/mineral supplement to a person who has followed a restrictive diet.
- A vegetarian- A vegan need extra calcium, iron, zinc and vitamin B and D if his/her regular diet diet does not much.
- A health condition- Generally, supplement is prescribed for those with health problems that affect appetite or eating or that affect how nutrients are absorbed, used or excreted. For example, surgery or injuries may increase the body’s need for some nutrients. Similarly, some medication, such as antacids, antibodies, laxatives and diuretic may interfere with the way of the body uses nutrients.
If we eat healthful diet, probably don’t need any more than a low dose supplement. Taking a multivitamin or mineral supplement, with no ore than 100% of the daily value as a safety net, is generally considered safe. Consumed in excessive amounts, nutrients in some supplement can have undesirable side effect such as fatigue, diarrhea and hair loss. Other may pose more serious risk like kidney stones, liver or nerve damage, birth defect or even death.