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Very little.  ProT GOLD is our healthcare brand.  The only difference is that ProT GOLD contains an additional 1.5 grams of Arginine per serving, which helps with soft tissue repair.  The additional arginine makes this product slightly more bitter than Frog Fuel.  Both undergo the same testing, scientific studies, and quality controls.

Both Frog Fuel and ProT GOLD derive their collagen from Grass-Fed Beef.  Our collagen is considered Type I and III.  Unlike other brands that procure and repackage bulk from overseas manufacturers, we produce our proprietary collagen in the USA to the highest standards of quality.

Our collagen formulation is a COMPLETE protein; containing ALL the essential, non-essential, and conditionally essential amino acids.

Every claim we make is backed by a proven study and through clinical use in numerous medical facilities around the world.

Our proprietary collagen protein is naturally hydrolyzed with a proteolytic (fruit) enzyme (no heat, acids, or chemicals) to a molecular level of 2000-4000 daltons and is manufactured in the USA.  The human pore in the digestive system can roughly absorb a molecule that is 4000 daltons or smaller.   When other companies mention hydrolyzed, this can mean a molecule that is 2500-30,000 daltons.  The higher the number the lower the efficacy