By Susan Brown
NSF International is a global independent public health and environmental organization that provides standards for development, product certification, testing, auditing, education and risk management services for public health and the environment. NSF International tests and certifies products to verify they meet these public health and safety standards. Products that meet these standards bear the NSF mark. The NSF Certified for Sport program is designed to minimize the risk that a dietary supplement or sports nutrition product contains banned substances.
Klean Athlete is a professional line of supplements designed specifically for athletic use and is NSF Certified for Sport. Klean Athlete is manufactured by Douglas Laboratories, a leading manufacturer of science based dietary supplements for more than 50 years.
Klean Multivitamin is specially formulated for the unique needs of athletes. Klean gives your body the optimum balance of ingredients to stay healthy throughout your training. It has been carefully developed to contain the right proportions of vitamins, minerals, trace elements, and other nutrients without danger of toxic build-up or other side effects. This product contains a unique fruit and vegetable blend and ingredients such as Lutein, Lycopene, Zeaxanthin, Astaxanthin and Pterostilbene.
Klean Endurance chews are an all natural D-ribose 
supplement clinically proven to support the natural production of adenosine triphosphate (ATP). The natural pentose sugar promotes cardiovascular health, energy production, and mitochondrial function. Klean Endurance offers you a clinically proven way to help restore and renew energy during exercise.
Klean Isolate is pure whey protein isolate, free of artificial flavoring or sweetener, for enhancement of daily protein and amino acid intake.
Klean Electrolytes is formulated to supply a blend of minerals to help replenish electrolytes and retain hydration. To help achieve optimal performance, Klean Electrolytes may be used prior to, during and after exercise.
Every product undergoes meticulous verification that compares the label and ingredient composition before being given the esteemed NSF Certified for Sport stamp of approval. You can feel confident that these nutritional supplements support a healthy lifestyle and peak performance. All Klean Athlete products are free of yeast, wheat, gluten, soy, corn, sugar, starch, artificial coloring, flavoring and preservatives.