Flora ActiveComplex comes in small, easy-to-swallow capsules containing 4 billion viable lactic acid bacteria from two strains: Lactobacillus acidophilus and Bifidobacterium Animalis lactis. Flora ActiveComplex capsules are especially useful when traveling. They are stable at room temperature and therefore do not require supplementation. essere Refrigerated. Freeze-dried bacteria, resistant to gastric acidity and reaching the intestine intact. Take Active Flora a few weeks before departure. You can also take Active Flora Complex daily. The probiotic strains contained contribute to the balance of intestinal flora.