Senna: benefits by goal, the dosage that worked, and the supplements ranked
What the 53 human studies of senna we graded show for each goal, the dose that worked, and the products that hold it. This page is educational, not medical advice.
Senna benefits, by goal: what the studies show
Members OnlyThe top 1 of 1 goals
| Goal | What the studies show | Studies | Dose that worked |
|---|---|---|---|
| Regularity: Fast Relief | No effect in studies 53 studies, 16 showed an improvement, 16 found none, 14 pooled analyses | 53 | 6.8 mg |
Senna supplements, ranked by the human studies
Members OnlyThe top 1 of 1
Senna dosage: how much per day
The dose that worked in the studies, and the upper limit
The studies taken by mouth that showed an improvement gave 6.8 mg to 5 g a day.
Biohacker panel
Members OnlyWhat our 10 biohackers say about senna
Questions people ask
Members OnlyAnswered from the figures on this page
How much senna per day?
The studies taken by mouth that showed an improvement used 6.8 mg to 5 g a day.
Can I take senna with my meds?
Some supplements can change how meds work or are absorbed. Members have every product checked against the meds in their Health Profile before it joins their protocol.
Educational, not medical advice. Figures come from the human studies on PubMed we have graded; a study counts for a form when it names the form it used. Updated as new studies arrive. How we grade →
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