L-Histidine powder, 1 pound, by Puriva Nutrition Local pickup, or Nationwide delivery We are a brick-and-mortar retailer and sell/ship directly from our store in North Wales, PA. Ingredients Pure L-histidine powder 900+ servings per pound (0.5 grams per serving) Sealed in an economical, no-frills container or bag We never use fillers, binders, flow agents, anti-clumping agents, surfactants, colloids, artificial flavors, artificial colors, or any other additives. L-Histidine L-histidine is an essential amino acid. Supplementing with l-histidine has been shown to support various bodily functions, including inflammation reduction, red blood cell production, brain health, and tissue repair.