The Food and Drug Administration (FDA) has released new warnings for two weight-loss supplements.

The FDA has released warnings against using Slim-K and B-Lipo due to hidden drugs in the over-the-counter-weight-loss supplements. Both of these drugs can be found in retail locations and on various websites.

The FDA warns against using Slim-K due to it containing sibutramine. Sibutramine can cause increased blood pressure in users and can put those with a history of coronary artery disease, congestive heart failure, arrhythmias, or stroke at risk. The drug can also react negatively to other medicines and was removed from the market in 2010.

B-Lipo is warned agaisnt by the FDA because it contains lorcaserin. Lorcaserin cause psychiatric disturbances and can also negatively affect attention and memory.It can also have negative affects when combine with other drugs. Lorcaserin is an ingredient in the FDA-approved prescription drug Belviq. Belviq is a drug used for chronic weight management.

The FDA warnings for Slim-K and B-Lipo were released on Dec. 23, 2014.

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