From published features and owner comments · not a lab test.
- Label transparency7.0/10
- Four of five: full Supplement Facts panel, forms named (CoreBiome tributyrin, LactoSpore B. coagulans), other ingredients listed and 30 servings of 2 capsules; the phage prebiotic is one 15 mg blend line.
- Testing and manufacturing5.0/10
- Three of five: a lot-numbered COA is posted (lot 260522, May 2026, microbial, heavy metals, gluten, GMO), a facility meeting NSF GMP standards is stated, and the facility is US based; no lab is named and no product certification is named.
- Price and subscription terms6.0/10
- $57.93 one-time ($1.93 per serving) with an optional 10% subscription said to be cancelable anytime; free shipping starts at $85, so one pouch pays shipping.
- Guarantee and returns8.0/10
- 90-day 100% refund for any reason, five to ten days to process; opened status and who pays return shipping are not stated, and the policy reserves the right to adjust for abuse.
- Support and owner reports6.0/10
- Email and a phone number are listed with no hours found; the brand's Judge.me page shows 4.45 stars from 621 reviews (review invites carry coupons), Amazon shows 4.1 from 126, and Trustpilot has no reviews.