Suitable for vegetarians, sugar, salt and starch free. Specially coated. Solgar's Pyridoxal-5-Phosphate Tablets are free of corn, yeast, wheat, soy and dairy products, and are formulated without the use of preservatives, artificial flavors or colors. Pyridoxal-5-Phosphate (P-5-P) is the coenzyme form of vitamin B6. The body must first convert vitamin B6 into P-5-P before it can be utilized. Solgar's P-5-P Tablets are specially coated for protection against degradation from stomach acids.