material safety data sheet, n an informational form detailing the chemical and physical properties, hazards, and ways of safely handling a toxic chemical.
BRB means be right back. It is one of the most commonly used acronyms in online chat and texting. It communicates that the person is leaving for a moment, but will be back shortly.
Beta-Hydroxy-Beta-Methylbutyrate (HMB) HMB is a derivative of the branch-chain amino acid leucine. Like creatine, the supplement HMB is used to boost quick activities such as weight lifting and sprinting. In fact, some companies make an HMB/creatine combination. A 2003 review of studies on 250 nutritional supplements, published in the Journal of Applied Physiology, concluded that only twoâcreatine and HMBâhad evidence to support their use as a lean muscle builder.