What the study measured
Seventy-eight people with reflux symptoms were randomized to omeprazole plus sublingual melatonin or omeprazole plus placebo. Seventy-two completed the four-week trial. [1]
Heartburn, upper-abdominal pain and overall reflux symptom scores improved more with the combination. Quality-of-life scores also favored it. Reported adverse events were similar between groups, with no serious events reported. [1]
How far the finding goes
Both groups received omeprazole, so the comparison concerns an adjunct. It does not show that melatonin alone is equivalent to standard treatment or that it prevents erosions, cancer or other long-term complications. The authors declared no conflicts; funding was not established from the abstract. [1]
A short trial cannot exclude uncommon or delayed harms. Its specific sublingual formulation and symptom-based outcomes should remain visible when interpreting a claim that melatonin relieves reflux. [1]
A hypothetical distinction
Imagine two groups share a treatment while one receives an additional agent. A difference estimates the added strategy’s effect; it does not tell us how the additional agent would perform by itself.
| Detail | Interpretation |
|---|---|
| Four weeks | Short follow-up |
| Omeprazole in both arms | Add-on comparison |
| Long-term complications | Not established |
Sources for this article
- Is the Addition of Sublingual Melatonin to Omeprazole Superior to Omeprazole Alone in the Management of Gastroesophageal Reflux Disease Symptoms: A Clinical Trial - PubMed
Source consulted: 2026-09-19. This is a reference resource, not a claim that we conducted the studies or tested a product.