first (furst) -noun 1. That which precedes all others in time, order or importance.

The Trusted Source

Your Success is Our Success

Muscle Fitness Supplements

You may be surprised not to see the typical, endless list of mega-hyped offerings under our banner... Good. It's by design. You'll find no expensive hype or pseudo-science here. Our Patent Technology bodybuilding supplements like Kre-Alkalyn® Creatine, Adaptogen N™, and MASS PRO Synthagen™ are the very best you'll find anywhere - at any price.


Made in the USA SupplementsSince 1993 - Legitimate Products ONLY

Years before others followed, we were shipping top-shelf Made in the USA Creatine, DHEA and Whey Protein worldwide to smart athletes and those seeking vibrant health and long life.


supplement testingA snapshot of nearly 3 decades of top quality and innovation:



sports nutrition testingOur commitment to providing ONLY legitimate supplements that work means that every single Muscle And Sports Science product is made to exacting GMP purity and potency standards from BUCHI NIR/HPCS Tested and Certified Pharmaceutical Grade and Patented nutrients. Guaranteed to be 100% free of impurities, contaminants and heavy metals.

HPCS - High Performance Crystal Spectroscopy - operates in the NIR (Near Infrared Range) and combines state-of-the-art digital electronics and optics with computer analysis software. Click here to see the testing array.

HPCS testing is the only way to achieve true FDA certification of pharmaceuticals.

hplc supplement testing certificationYour order is professionally packed and shipped to arrive safely and quickly to your door, directly from our clean, climate controlled distribution center to insure you of full, fresh potency.

Additionally, all herbal supplements with our logo meet stringent InfraProven Certification by BioCeutical R&D. This is your iron-clad assurance of 100% botanical origin, absolute purity, safety and peak potency. When you purchase Adaptogen N with herbal extracts of Tribulus Terrestris, Ultra Suma and Eurycoma Longifolia - ActivECDY with Leuzea Rhaponticum Carthamoides - Burn It Up's real 10:1 Maca - or the potency standard in Yohimbe Extract, Yohimbe Supreme - you know you're getting genuine quality you can trust and (most importantly) SUPPLEMENTS THAT REALLY WORK.



What testing reveals about cheap protein supplements online

Consumer ALERT: Is your brand of herbal health supplements spiked with synthetic drugs?



"Thanks for awesome products! I have been extremely happy using MASS PRO for several years. I've had great results and have had NONE of the adverse effects that I usually experience with fitness products... I've only had good experiences with all your products thus far!!"

-Elizabeth Nelson, Durham, NC


"I just ordered another big batch of your supplements because they are THE GREATEST ON THE PLANET! Trust me, I've tested everything under the sun. You are #1. Your products actually work and move the needle for effective results. I'll buy your supplements until the day I die.

-Luke Howard, Sydney, Australia


"I am an athlete at Self Made Training Facility and NPC bodybuilding competitor in Southern California. I am originally from Alabama and have used your products starting in my senior year in high school. Just ordered another round of Gamma GH and Adaptogen N. Great stuff. I love it. Thank you for making great, real natural products that work."

-Joseph Pace, NPC Competitor


"I have no hesitancy recommending the MASS nutrition line professionally, especially since I design sports and bodybuilding supplements programs. The entire line can be summed up in three words- simply the best."

-Dr. Mel McDonald




"The quality of a person's life is in direct proportion to their commitment to excellence" -Vince Lombardi