This page lists the evidence sources used to provide general regulatory, safety and ingredient context. Product/package facts are based on current product imagery and current pricing artwork. We do not link directly to seller pages.
Product-source records
- Current front-bottle artwork: 60 capsules; 30-day supplement.
- Current pricing artwork: 2-, 3- and 6-bottle package snapshot, shipping display and 60-day guarantee.
- Current product imagery: single bottle, multi-bottle packages and bonus-guide artwork.
- Current product materials naming ten ingredients and two-capsule daily direction.
Authoritative regulatory and safety sources
- U.S. FDA — Information for Consumers on Using Dietary Supplements
- U.S. FDA — FDA 101: Dietary Supplements
- MedlinePlus — Psyllium
- NCCIH — Probiotics: Usefulness and Safety
- NCCIH — Flaxseed and Flaxseed Oil
- NCCIH — Aloe Vera
Selected PubMed research
- Flaxseed or psyllium and constipation — randomized trial
- Prunes, stool output and gut transit — randomized trial
- Pectin, microbiome and gut homeostasis — review
- Lactobacillus acidophilus — review of physiological roles
Evidence boundary: These sources concern regulation or individual ingredients. They are not clinical trials of the finished SynoGut product.