Bio-Kult is a UK brand of multi-strain live cultures supplements. Its capsules are shelf stable, so they do not need a fridge.We stock Everyday Advanced with 14 strains in 30 and 60 capsule packs, Boosted with added vitamin B12, Migrea with magnesium and vitamin B6, Candea with garlic and grapefruit seed extracts, and Pro-Cyan with cranberry extract and vitamin A. Vitamin B12 contributes to the reduction of tiredness and fatigue. These are food supplements, not medicines. Our guide to live cultures supplements explains how to choose, or ask our pharmacists.