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On this page
Evidence Form & dose Cautions In our formulas FAQ Sources
Tier 1 · multiple human RCTs
Lacticaseibacillus rhamnosus GG (LGG®)
Most-studied strain (antibiotic-associated diarrhea, atopic prevention).
9 /10 evidence score
Chr. Hansen / Novonesis licensed form owner
10 B CFU studied dose used
What the evidence shows Most-studied strain (antibiotic-associated diarrhea, atopic prevention).
Tier is our appraisal of the human evidence at the dose we use: Tier 1 = multiple randomized trials; Tier 2 = human trials, fewer or smaller; Tier 3 = mechanistic, traditional or early human data; Tier 4 = emerging. Ingredients below Tier 2 are included only where the safety record is long and the traditional use is specific.
Who should be careful None. Talk with your clinician before starting if any of this applies to you.
FAQ Which NEX-GEN formulas contain Lacticaseibacillus rhamnosus GG (LGG®)? Gut Biome (10 billion CFU per serving). Every formula lists its full dose on the Supplement Facts panel — no proprietary blends.
What form of Lacticaseibacillus rhamnosus GG does NEX-GEN use and why? 10 B CFU. We use the licensed branded form so the dose on our label matches the material studied in the trials.
What does the evidence actually show for Lacticaseibacillus rhamnosus GG? Most-studied strain (antibiotic-associated diarrhea, atopic prevention).
Who should be careful with it? None. Talk with your clinician before starting if any of this applies to you.
These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease. Nothing on this site is medical advice — it is educational "what I would do if I were you" guidance from an executive health coach. Talk with your clinician before starting any supplement, especially if you take medication, are pregnant or nursing, or have a medical condition. Last reviewed October 2026.
