Supplements of nitric oxide (NO ... Additionally, the 4 grams of citrulline per scoop and agmatine in the supplement help to prevent NO breakdown so you can stay pumped longer.

Some supplements contain l-arginine alone, while others combine it with other amino acids or ingredients like citrulline or beetroot extract. Dosage is another essential factor to consider when ...

Not all pre-workouts are created equal. Some are packed with scientifically-backed compounds that enhance stamina and strength, while others are loaded with fillers and stimulants that leave you ...