Lactobacillus acidophilus NCFM (DDS-1)

Tier 3 — weak evidence · Probiotic strain · Lactose · Vaginal health

Well-characterised L. acidophilus strain with RCTs in lactose-intolerance symptom reduction and recurrent vaginosis prevention. Useful in healthy adults and in antibiotic recovery (with caveat that probiotic timing during antibiotics is debated).

Dose: 5-10 billion CFU/day