: Match the strain to your need (e.g., Bifidobacterium lactis for constipation or Saccharomyces boulardii for antibiotic support). Top Probiotic Recommendations in the UK (2026)

: Look for the full name (e.g., Lactobacillus rhamnosus GG ), not just the species.

: Ensure it lists "Colony Forming Units" (CFU) at the end of shelf life , not just at the time of manufacture.