Digestion and Bloating: supplements ranked by the human studies
We graded 22 digestion and bloating products in our catalog against the human studies of their ingredients, the dose that worked and what the reviews say, then we rank them based on the evidence. This page is educational, not medical advice.
What the studies sayMembersThe ingredients that work, strongest evidence first
improved of the people studied, from a day. improved of the people studied, from a day. shows a clear improvement in meta-analyses, the largest of people, from a day. shows a clear improvement in meta-analyses, the largest of people, from a day. shows a clear improvement in meta-analyses, the largest of people. shows a clear improvement in meta-analyses, the largest of people, from a day.
Ingredients with evidenceMembersThe 9 strongest of 16
| Ingredient | Studies read | What they show | Dose that worked |
|---|---|---|---|
| Peppermint Oil | 38 | ||
| Saccharomyces boulardii | 31 | ||
| Psyllium | 48 | ||
| Vitamin D | 30 | ||
| Vitamin B9 | 11 | – | |
| Soluble Fiber | 21 | ||
| Fennel | 9 | – | |
| Ginger | 21 | ||
| Guar Fiber | 21 |
Products – highest ranked firstMembersThe top 3 of 20 ranked, by the studies, then reviews
Biohacker panelMembersHow many of our 10 biohackers recommend each ingredient
Questions people askMembers
What is the best supplement for digestion and bloating?
Answer for members.
How much peppermint oil a day?
Answer for members.
Can I take these with my meds?
Answer for members.
Members see the answers, checked against their own meds and goals. Start My 7-Day Free Trial →
Educational, not medical advice. Grades come from human studies on PubMed, the dose that worked, store reviews we read ourselves and our biohacker panel. Updated as new studies arrive. How we grade →