A multi-strain blend led by bifidobacteria, the group that predominates in the large intestine and the one most easily depleted.

Five named, coded strains: Lactobacillus rhamnosus Lr-32, Bifidobacterium breve Bb-03, B. longum Bl-05, B. lactis Bl-04 and Lactobacillus acidophilus La-14. Strain codes matter here, because a genus and species name alone tells you very little about what you are actually taking.

Freeze-dried, non-dairy and gluten free. Allergy Research Group has formulated for sensitive patients for more than 45 years, and a dairy-free probiotic is exactly the sort of detail that comes from that.

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