Conclusion: Evidence to guide the dietary management of GERD symptoms is limited in scope, quality, and feasibility. Based on the limited evidence available, dietary GERD management should be long-term, individualized, and consider both dietary restrictions and/or additions.
PubMed 36513474 ↗Olive Leaf Extract
Based on 12 first-hand reports and 7 meta-analyses & systematic reviews in the medical literature. Ranked #953 of 1,974 overall.
Of reports that state an outcome, 50% are positive.
What Olive Leaf Extract does, according to users
Of the people who reported each effect, the share who said it got better.
What the research says
Systematic reviews and meta-analyses from PubMed, with their published conclusions.
3+ meta-analyses or systematic reviews and 10+ randomized controlled trials in humans. The grade measures how much human research exists — read the conclusions below for what it found.
Conclusion: In addition, olive leaf extract was previously reported in several in vivo studies for its anti-inflammatory, analgesic, antipyretic, immunomodulatory, and antithrombotic activities which are of great benefit in the control of associated inflammatory cytokine storm and disseminated intravascular coagulation in COVID-19 patients. In conclusion, the described biological activities of olive leaves alongside their biosafety, availability, and low price make them a potential candidate drug or supplement to control COVID-19 infection and are recommended for clinical investigation.
PubMed 35496299 ↗Conclusion: Olive leaf extract is beneficial for both the lipid profile and glycemic control in diabetes-induced rats and may be as effective among humans.
PubMed 27860303 ↗Conclusion: In the meta-analysis, fasting glycemia, as evaluated in studies using a low dose of OLE, showed a significant result favoring the control group. To obtain more consistent results, further clinical studies in humans, using similar methodologies, are required.
PubMed 38287654 ↗Dosage people report
As stated by users — not a recommendation. Follow the label or your doctor.
Reported side effects
How often each side effect came up across all reports.
What users say
Verbatim quotes, shortened only — each links to the original discussion.
“Nmn, resveratrol and olive leaf is good stuff”
“It has to be paired with SIRT activators like Resveratrol and Olive leaf extract”
“use a natural antibiotic like Olive Leaf Extract or mastic gum to decrease the bacterial load”
“Drop the olive leaf altogether.”
“whatd you notice from ksm 66. what effects. you tried olive leaf extract”
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User data from public discussions; research from PubMed. Information only, not medical advice — talk to a doctor before starting, stopping or combining anything. Data updated October 2, 2026. How we rate