Beware of harmful substances in Supplements Boost Stamina and Weight Loss

Beware of harmful substances in Supplements Boost Stamina and Weight Loss - "We found that a lot of sports supplements and weight-loss drug containing the result doses that are too high," said study author Dr. Pieter Cohen, an internist at the Cambridge Health Alliance in Massachusetts.

Beware of harmful substances in Supplements Boost Stamina and Weight Loss

In a new study, researchers analyzed the 27 types of weight loss supplements and sports supplements that are sold contain a free label named methylsynephrine composition.

Methylsynephrine, oxilofrine, also known as, is a stimulant medication usage has been approved in some countries to treat people with low blood pressure. But this time, methylsynephrine has been banned its use in United States.

The study found, 14 types of supplements or 52 percent of supplements being sold contain methylsynephrine free, and almost half of it contains a higher dose of methylsynephrine rather than the recommended dose.

Beware of harmful substances in Supplements Boost Stamina and Weight Loss

In fact, the study found, people who follow the usage instructions on the label supplement, can still end up with taking up to 75 milligrams methylsynephrine in one serving, even up to 250 mg of medication per day. Whereas, a safe dosage prescribed by doctors in the countries where the drug is legal, just as high as 40 mg.

The study appears along with the Food and Drug Administration (FDA) that it has sent letters to seven companies that sell supplements with methylsynephrine.

The FDA warns that no longer oxilofrine methylsynephrine or the drug is safe, so that products with these ingredients should be withdrawn from the market.

"Own Methylsynephrine works to increase blood pressure and the volume of blood pumped by the heart. For people who already have high blood pressure, or heart disease that has the potential, the extra pressure on the heart due to the consumption of these substances could have harmful effects for the health, "said Cohen.

What's more, many supplements with other stimulants also contain methylsynephrine. For example, one of the companies that received the warning from the FDA because it has products that contain the ingredient and methylsynephrine called DMBA, medications that increase blood pressure by tightening of blood vessels.

"When the two drugs are combined, a person's blood pressure can be very high," said Cohen.

In the Netherlands, a supplement containing methylsynephrine combined with other stimulants can produce adverse health effects, including rapid heartbeat, chest pain and heart attacks.

The FDA says, has received 47 reports of associated side effects from the use of supplements containing methylsynephrine.

Cohen says, this study has found that the side effects from the use of sports supplements and weight loss has caused tens of thousands of Americans go into the emergency room every year.

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