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Jun 19

4 useless supplements you’re likely already getting enough of through your diet, according to nutrition experts – Yahoo News

the US Food and Drug Administration stopped requiring sellers to label the daily value of vitamin C and vitamin A on nutrition labels because "deficiencies of these vitamins are rare today."Crystal Cox/Business Insider

Vitamins A, C, B and zinc are nutrients that Americans typically get enough of through their diet.

Nutrition experts said Americans should try to get all nutrients from food rather than through supplements.

Taking additional vitamin C and zinc will likely not prevent a cold, and excess amounts get peed out.

The supplement industry is exploding, but nutrition experts don't recommend getting your vitamins and minerals from pills.

Supplement sales reached a record-breaking $55 billion in sales in 2020, and the industry has recorded huge gains since the onset of the COVID-19 pandemic.

Emma Laing, a clinical professor at the University of Georgia and a registered dietitian, said mosthealthy adults get their nutrients through food rather than supplements, as food offers biochemicals and fiber that don't come from a pill.

"Foods like whole grains, vegetables, and legumes are generally considered affordable foods that are also nutrient-rich," Laing told Insider. "It would be difficult to manufacture a supplement that would mimic the exact nutrient profile of these foods and yield the same health benefits."

Plus, Americans may not realize they are getting enough vitamins and minerals through their diet already. Insider spoke with three dietitians to understand which vitamins and minerals Americans are typically eating enough of through their diet, makingsupplements unnecessary.

Though Americans typically get enough vitamins A, C, B and zinc through the Western diet, experts said people should strive to get every nutrient through a balanced diet. People with deficiencies diagnosed by a doctor, or those who have limited diets due to food allergy or intolerance, could require supplements, per Laing.

In 2018, the US Food and Drug Administration stopped requiring sellers to label the daily value of vitamin C and vitamin A on nutrition labels because of how rare deficiencies of these vitamins are. The two nutrients are found in a variety of fruits and vegetables, and it doesn't take much to get your daily requirement: just one orange has most vitamin C you need for the day, per Medical News Today.

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Because of vitamin C's immune boosting properties, some people take the supplement to prevent colds. Kirstin Vollrath, a registered dietitian and professor at the University of Houston, said taking vitamin C and zinc together at the start of a cold might reduce its symptoms or length, but won't stop the virus. A 2013 review of placebo-controlled trials did not find evidence vitamin C supplementation prevents colds.

"Our bodies are much more sophisticated than we give them credit for," Vollrath said. "Your body knows how much vitamin C it needs, and once it's got enough to be able to function, the rest of it is going to be excreted mostly through urine."

Like with vitamin C, the FDA stopped requiring food manufacturers to label the daily percentage of vitamin A due to the rarity of deficiencies.

Vollrath said though globally vitamin A deficiency is a common cause for blindness, the averageWestern diet contains enough of the nutrient.

In fact, Vollrath said Americans are more likely to over do it on vitamin A. Vitamin A toxicity occurs usually when taking too many supplements and can cause nausea, headaches, and blurred vision.

"When people think about vitamins, it's never more is better," Vollrath said. "We always need enough, and sometimes more is harmful."

There are several different types of vitamin B, including thiamin (B1), riboflavin (B2), and cobalamin (B12). Vitamin B helps convert food into energy, boosts immunity, and assists in making new cells, according to Harvard Medical School.

Michelle Averill, the associate director of the University of Washington's Graduate Coordinated Program in Dietetics, said generally Americans are "doing fine" with getting enough vitamin B, particularly if they are eating grains fortified with the nutrient. Averill said research has indicated there is "very little benefit" from taking vitamin B supplements.

Vitamin B12 is a different story, Averill said, as vegetarians and vegans might not get enough of the nutrient since it's found primarily in animal products. Vitamin B12 deficiencies can cause anemia, sensory problems, and nerve damage.

Averill said young kids can benefit from getting more zinc, but the deficiencies of the mineral should not concern most adults.

"We're not really that deficient in it," Averill said. "There's very little evidence to suggest that you could take it and prevent things.

She said many people have tried taking zinc supplements to prevent or minimize a cold. A recent analysis of 28 controlled trials found zinc had a moderate to no effect on easing the symptoms of a cold, though it can shorten the duration of symptoms.

But according to Averill, zinc has to be in the body before exposure to the virus to have the best results. Plus, taking zinc supplements through nasal sprays can lead to permanent loss of smell, according to Mayo Clinic.

Though most healthy Americans wouldn't benefit from supplements like vitamin C, vitamin A, vitamin B, and zinc, Laing said there are groups of people who may require it. The groups include people with a deficiency diagnosed by a doctor, those with limited diets due to food allergy or intolerance, infants, and people planning for pregnancy or who are pregnant. Certain health conditions and medicines may require supplementation as well, according to Laing.

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4 useless supplements you're likely already getting enough of through your diet, according to nutrition experts - Yahoo News

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