6 of the Best Supplements for Muscle Gain and Weight Loss

2. Nitric Oxide Boosters

Nitric oxide (NO) is a part of a lot of the processes in the body. When it comes to building muscle it dilates blood vessels, allowing more blood to flow to muscles and deliver hormones, oxygen, nutrients, and water. The boosts your energy levels during a workout and powers up your muscle pumps. It also helps heal and grow your muscles after a workout. The name is a bit of a misnomer as they don’t actually contain NO. They provide you with arginine, which then becomes NO. Research has shown that taking in this arginine enhances muscle growth and helps eradicate fat.