Best for Digestion
Best LGG for Digestion
Top 1 products ranked · Reviewed May 2026 · 5–40 billion_cfu clinical dose
Why LGG for Digestion
LGG plays a important role in digestion. Lactobacillus rhamnosus GG (LGG) is among the most-studied probiotic strains in humans. Isolated in 1983 at Tufts by Gorbach and Goldin (patent filed 1985, hence 'GG').
What dose to look for
Clinical studies typically use 5–40 billion_cfu of lgg. Clinical range 5-40 billion CFU/day. Pediatric acute gastroenteritis benefit requires ≥10 billion CFU/day (Szajewska 2019 meta-analysis). AAD prevention: 5-40 billion CFU/day (Goldenberg Cochrane 2019). Dose is measured in CFU, not mg. Products below this range may not deliver meaningful results.
What the research says
LGG has moderate clinical evidence for digestion benefits. Strong evidence for pediatric AAD prevention; AGE benefit varies by population (positive in Europe, null in US NEJM 2018); null for atopic dermatitis prevention Learn more