Table 1. Search strategy .
MDPI: Multidisciplinary Digital Publishing Institute; MeSH: Medical Subject Headings; ffrft: PubMed "free full text" filter; fha: PubMed "abstract" filter
| Database | Date searched | Keywords | Search terms | Filters | Number of studies |
| PubMed Mesh | 6/30/24 | Neurocognitive disorders or Dementia or Cognitive health or Serum biomarkers and Curcumin | (("Neurocognitive Disorders"[MeSH Major Topic] OR "Dementia"[MeSH Major Topic] OR "Biomarkers"[MeSH Major Topic]) AND ("curcumin/administration and dosage"[MeSH Terms] OR "curcumin/adverse effects"[MeSH Terms] OR "curcumin/analogs and derivatives"[MeSH Terms] OR "curcumin/analysis"[MeSH Terms] OR "curcumin/isolation and purification"[MeSH Terms] OR "curcumin/metabolism"[MeSH Terms] OR "curcumin/pharmacokinetics"[MeSH Terms] OR "curcumin/pharmacology"[MeSH Terms] OR "curcumin/therapeutic use"[MeSH Terms] OR "curcumin/toxicity"[MeSH Terms])) AND ((ffrft[Filter]) AND (fha[Filter]) AND (clinicaltrial[Filter]) AND (humans[Filter]) AND (2004/1/1:2025/1/1[pdat])) | Abstract, free full text, clinical trial, humans, and from 2004/1/1 - 2025/1/1 | 2 |
| Science Direct | 6/30/24 | Neurocognitive disorders or Dementia or Cognitive health or Serum biomarkers and Curcumin | (Neurocognitive disorders or Dementia or Cognitive health or Serum biomarkers) and Curcumin | 2004-2024, another article type, and open access & open archive | 2 |
| Google Scholar | 6/30/24 | Neurocognitive disorders or Dementia or Cognitive health or Serum biomarkers and Curcumin | (Neurocognitive disorders or Dementia or Cognitive health or Serum biomarkers) and Curcumin | 2004-2024 | 1180 |
| Cochrane Library | 6/30/24 | Neurocognitive disorders or Dementia or Cognitive health or Serum biomarkers and Curcumin | (Neurocognitive disorders or Dementia or Cognitive health or Serum biomarkers) and Curcumin | Publication Year from 2004 to 2024, Cochrane Library publication date from January 2004 to July 2024, and trials | 100 |
| MDPI | 6/30/24 | Neurocognitive disorders or Dementia or Cognitive health or Serum biomarkers and Curcumin | (Neurocognitive disorders or Dementia or Cognitive health or Serum biomarkers) and Curcumin | N/A | 0 |