Certain products and formulations displayed on this site may not be approved for use
in all countries. Please check with your local Phibro representative for use
restrictions and product safety and/or warning information required in your area.
Vitamin K supplementation is US Food and Drug Administration (FDA)-approved for use in poultry, which have a limited ability for microbial production of vitamin K. They are typically fed supplemental vitamin K in diets to meet their requirements.
Vitamin K source menadione sodium bisulfite complex (MSBC) is approved for use in poultry by the US FDA, feed supplementation at 2 to 4 grams/ton of finished feed.
Another source of vitamin K, menadione dimethylpyrimidinol bisulfite (MPB), is approved for use by the US FDA in poultry at 2 grams/ton of finished feed.
Yet another source of vitamin K, menadione nicotinamide bisulfite (MNB), is approved for use by the US FDA in poultry and swine at a level up to 2 grams/ton of finished feed.