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Bacteria

Lactobacillus acidophilus

Lactobacillus acidophilus is a lactic acid bacterium that lives in the human gut and is used in yogurt and other fermented dairy products.

What it is studied for

The strongest rated effects first. Bars show the size of the effect, the letter grades the evidence, and each rating lists the studies behind it.

Microbiome healthGut HealthModerateA3 studies
Digestive sensitivityGut HealthModerateBNo linked study
ConstipationModerateBNo linked study
Immune SupportModerateBNo linked study
All 10 rated effectsGrouped by health goal, with the publications behind each rating

Key studies

The most recent publications linked to Lactobacillus acidophilus's ratings.

All 7 studiesEvery publication linked to Lactobacillus acidophilus

Why people take it

Gut Health24.7%
Immune Support24.1%
Essential Health22.3%
Detox11.2%
Energy6.6%
Women's Hormones2%

SuppCo community snapshot, 2026-09-28. Reasons for use are not evidence that it works.

Sources

  1. SuppCo · Lactobacillus acidophilus nutrient profile