L-carnitine, also known as levocarnitine, is a naturally occurring amino acid structure that the body produces. It plays a critical role in energy production, converting fat into energy. Most people ...

L-arginine may help with heart disease and erectile dysfunction but can be dangerous after a recent heart attack. L-arginine can cause side effects like bloating and diarrhea and might not be safe for ...

L-methionine, an essential amino acid found in animal and plant sources, is necessary for normal health and growth. L-methionine can be used to treat acetaminophen (Tylenol) overdose, and limited ...

Engineers and automotive designers have done their best to make sure the complicated machinery we call cars are easy to drive and understand — especially the parts that are important to our driving ...

When “The L Word” debuted on Showtime in January 2004, gays and lesbians couldn’t serve openly in the military, employees could be fired for being gay in most of the country and no state had yet begun ...

Leica, Panasonic, and Sigma full-frame mirrorless cameras share a common lens system, the L-mount. It's still evolving, but these are the best L-mount lenses we've tested so far. Images, and the ...

Almost every vehicle with an automatic transmission sold today uses letter codes to represent the different gear modes. Each mode is usually self-explanatory, such as “D” for Drive or “R” for Reverse.

Editor’s note: This article was last updated on Aug. 20, 2021. It has been reviewed by Cars.com Senior News Editor Jennifer Harrington and is still accurate. It’s sitting there in your car’s shift ...

L-arginine is one form of arginine, an amino acid that is one of the building blocks of protein. Arginine is a non-essential amino acid because most humans can make it in their bodies. Infants and ...