Research

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Start with the research task, not a wall of cards. Find a source, check an ingredient, or inspect the full evidence picture.

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Three jobs, three clear destinations.

7,435 unique research-only PubMed references are cataloged separately from the editorially reviewed evidence.

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Source sample

These examples deliberately mix review, trial, human-context, and preclinical records. The complete citation index stays in the Citation Explorer instead of being duplicated on this hub.

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Meta-analysis · 2025

Effects of Tea (Camellia sinensis) or its Bioactive Compounds L-Theanine or L-Theanine plus Caffeine on Cognition, Sleep, and Mood in Healthy Participants: A Systematic Review and Meta-Analysis of Randomized Controlled Trials

L-theanine

DOI · 10.1093/nutrit/nuaf054 ↗

Randomized controlled trial · 2025

Effect of a combination of C. longa and B. serrata extracts on hand osteoarthritis. Results of a double-blind, randomized, placebo-controlled, multicenter trial

Osteoarthritis Cartilage · Boswellia

PubMed · PMID 40554037 ↗

Observational research

A very large retrospective Korean cohort associated prescription choline-alfoscerate exposure with higher long-term stroke incidence. The design cannot establish causality and confounding by indication is plausible, but the signal is material safety uncertainty.

Alpha-GPC

A very large retrospective Korean cohort associated prescription choline-alfoscerate exposure with higher long-term stroke incidence. The design cannot establish causality and c…

PubMed · PMID 34817582 ↗

Mechanistic research · 2025

In Vitro Evaluation of Bioavailability of Mg from Daily Food Rations, Dietary Supplements and Medicinal Products from the Polish Market

Magnesium glycinate

DOI · 10.3390/nu17050748 ↗

Meta-analysis · 2025

The Effects of Curcumin Plus Piperine Co-administration on Inflammation and Oxidative Stress: A Systematic Review and Meta-analysis of Randomized Controlled Trials

Curr Med Chem · Curcumin + piperine

PubMed · PMID 38561618 ↗

Meta-analysis · 2024

Effects of Artemisia absinthium on broiler chicken coccidiosis: a systematic review and meta-analysis

Avian Pathol · Artemisia Absinthium

PubMed · PMID 38616734 ↗

Independent databases

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Public data · dataset v2026.08.16

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Separately, the research intake register tracks 7,435 distinct PubMed IDs through wave 7,500. Those identities are not added to the published study counts below. Browse source intake → Explore the Research Intelligence Studio ↗

1,004

structured study records

352

human-evidence records

1,004

records with a direct source link