What are Lactase Tablets 5000 FCC? BULK POWDERS™ Lactase Tablets 5000 FCC are a high dose Lactase supplement, with an unrivalled active ingredient content. These tablets provide 5000 FCC units; FCC stands for Food Chemical Codex & measures enzyme activity. For Lactase, the FCC units are the most relevant measure, as opposed to the weight or size of the tablet or capsule. So, when purchasing Lactase, it is important then to consider only the FCC content. Most Lactase supplements contain