# Selenium Acne Randomized Trial: What the Evidence Says
Canonical: https://www.migaku.app/guides/selenium-acne-randomized-trial-evidence-review
Category: evidence-review
Summary: Selenium Acne Randomized Trial has 2 source documents in the current Migaku evidence database. The strongest available sources in this first pass are randomiz
Last reviewed: 2026-08-20
Reviewed by: Migaku Evidence Review
# Selenium Acne Randomized Trial: What the Evidence Says

## Quick Answer

Selenium Acne Randomized Trial has 2 source documents in the current Migaku evidence database. The strongest available sources in this first pass are randomized trial, so conclusions should be framed as evidence-aware guidance rather than medical advice.

## Key Takeaways

- This page is generated only from sources stored in the Migaku evidence knowledge base.
- Current evidence mix: 2 randomized trial.
- Claims should be interpreted with the source type, study design, population, and publication date in mind.
- This article is educational and does not replace care from a qualified clinician.

## Evidence Map

| Source | Evidence type | Level | Date | Identifier |
| --- | --- | ---: | --- | --- |
| Comparative Efficacy of Topical N-Acetylcysteine-Doxycycline versus Benzoyl Peroxide-Doxycycline in Moderate Acne Vulgaris: An Add-on Double-Blind Randomized Controlled Trial | randomized trial | 2 | 2026-04-01 | 10.5826/dpc.1602a6215 |
| Effects of supplementation with two probiotic strains ( Lactobacillus helveticus and Bifidobacterium longum ) on hormonal status, oxidative stress, and clinical symptoms in women with polycystic ovary syndrome: a randomized clinical trial | randomized trial | 2 | 2025-11-18 | 10.1186/s12937-025-01240-3 |

## What The Sources Report

- Several factors contribute to acne, including excess sebum production, often influenced by hormones like androgens, increased keratinization of hair follicles leading to the formation of comedones, proliferation of Propionibacterium acnes bacteria on the skin surface, and elevated levels of inflammatory mediators that trigger the development of inflammatory acne lesions. [Parvizi Mohammad Mahdi (2026); evidence level 2]
- While all three major tetracyclines (tetracycline, doxycycline, and minocycline) are FDA-approved for infections, doxycycline and minocycline are preferred over tetracycline due to less frequent dosing, better absorption, increased lipophilicity, and lower resistance rates in Propionibacterium acnes. [Parvizi Mohammad Mahdi (2026); evidence level 2]
- According to evidence, elevated oxidative stress and inflammatory cytokines increase the risk of hyperandrogenism, IR, cardiovascular disease, and diabetes in PCOS patients. [Shirani Mahsa (2025); evidence level 2]
- Supporting these results, other studies report increased serum TAC levels, SOD levels, and decreased MDA levels after supplementation with probiotics for at least 6 or 8 weeks. [Shirani Mahsa (2025); evidence level 2]

## How To Read This Evidence

Evidence level 1 generally reflects systematic reviews or meta-analyses. Level 2 includes randomized trials, guidelines, or public-health guidance. Level 3 usually reflects observational or narrative-review evidence. Level 4 is weaker or early-stage evidence. The level is a sorting aid, not a final quality grade.

## Practical Interpretation

There is trial evidence in the current set, but population and intervention details still matter. For selenium acne randomized trial, the next editorial step is to add more targeted sources and separate strong findings from early or indirect evidence.

## Limits Of This First Pass

This is a small-batch MVP article. It uses the first ingested sources for this topic and should be expanded with more targeted searches, license review, and human editorial checks before being treated as a definitive review.

## References

- Parvizi Mohammad Mahdi (2026). Comparative Efficacy of Topical N-Acetylcysteine-Doxycycline versus Benzoyl Peroxide-Doxycycline in Moderate Acne Vulgaris: An Add-on Double-Blind Randomized Controlled Trial. DOI: 10.5826/dpc.1602a6215. PMCID: PMC13211913. PMID: 42190184. License: https://creativecommons.org/licenses/by-nc/4.0/ https://creativecommons.org/licenses/by-nc/4.0/ This is an open-acces.... https://pmc.ncbi.nlm.nih.gov/articles/PMC13211913/
- Shirani Mahsa (2025). Effects of supplementation with two probiotic strains ( Lactobacillus helveticus and Bifidobacterium longum ) on hormonal status, oxidative stress, and clinical symptoms in women with polycystic ovary syndrome: a randomized clinical trial. DOI: 10.1186/s12937-025-01240-3. PMCID: PMC12625425. PMID: 41254712. License: https://creativecommons.org/licenses/by-nc-nd/4.0/ http://creativecommons.org/licenses/by-nc-nd/4.0/ This article is .... https://pmc.ncbi.nlm.nih.gov/articles/PMC12625425/

## Safety Note

Health information can change, and individual risk depends on medical history, medications, pregnancy status, age, and diagnosis. Talk with a qualified clinician before changing treatment, supplement, or medication routines.