The above video shows two different samples of magnesium oxide under magnification. USP Grade (bottom-right) vs. Feed Grade (top-left). The only cause for the brown coloration is impurities including heavy metals - the pure stuff is white. The same goes for Feed Grade salt blocks. Only buy the white ones! Biochemist has pioneered the pet food, horse feed and supplement industry by using only organic amino acid chelates and USP Grade minerals, to maximize bioavailability and guarantee purity. We also include micro-encapsulated probiotics in every formula to improve digestion and fortify the immune system. We don't use any fillers or binders, and all of our formulas contain 100% active ingredients. Our choice of vitamins A, D and E are water solubilized to increase absorption, and we only use a micro-encapsulated form of vitamin C to optimally deliver it to the tissue which it is best absorbed. Our supplements are formulated based on how common health problems can be caused, and correlate to, our extensive 40 year private database of hair analysis and equine case histories.

For decades, we've tested thousands of horses for mineral deficiencies, imbalances and toxicities - which cause (and result from) many health problems. We have always had the largest private database of essential mineral and toxic heavy metal analyses results - on dressage, hunting, jumping, pleasure and race horses in the entire United States. Many of our formulas are U.S. Patented, and we have more experience in correcting nutritional imbalances in horses than anyone out there. Our products are time-tested and have been widely used to help compensate for, and recuperate from, nutritional deficiencies, imbalances and common toxicities in horses. If necessary, we can even design a personalized, custom supplement to help your horse get through certain health complications. All of our situational supplements are designed to work quickly and safely; many are U.S. Patented. We use only USP Grade and amino acid chelated minerals. Micro-encapsulated probiotics ensure good digestion and fortify the immune system.

We do not use fillers or binders, and all of our formulas contain 100% active ingredients. For decades, this has been the very best dosing gun for horses on the market. It's virtually indestructible and spill-proof. Neutralize stomach acid that can lead to ulcers with a unique ratio of minerals in a stabilized emulsion. Aids in healing hind gut ulcers and restoring hind gut health in horses - aids in neurological syndromes related to hind end weakness. This 80/20 ratio of GlucoLife blood sugar support Buffer™ and Untie® is formulated for race horses and barrel racing horses. For soreness and inflammation of muscles, tendons & ligaments - can be used with all types of horses - for several different purposes. Increase performance, decrease fatigue and improve recovery times. Everything modern science knows about building red GlucoLife Blood Glucose Support cells in horses. Sometimes, horses need additional adrenal GlucoLife blood glucose support to finish as strong as they should. Natural calming and focus supplement. Great for trainers, performance horses in competition, and trailering.

Our exclusive one-of-a-kind organically bound iodine amino acid supplement for horses with tumors, goiters or hypothyroid function. Micro-encapsulated probiotics are protected from digestive acids so they reach the intestinal tract in the best condition. A superior pure electrolyte top dressing formula with no added sugar or flavorings. A herbal/mineral/probiotics combination that is known to aid in detoxification on many levels aiding restoration of normal biochemistry. Our L-Malic Acid is the only natural stereoisomeric (non-synthetic) form of malic acid on Earth. It costs a little more than D-Malic Acid, but it works better. The purest, most affordable form of this well known joint supplement for horses. When a horse feed is pelleted or extruded, it is heated and pressurized enough to kill most or all of the probiotics shown on the label AND cooks the B vitamins into near non-existence. If you're feeding your horse a pelletized or extruded feed, you will want to supplement your feed with more/better vitamins, minerals and probiotics.