Turmeric Supplements: Risks & Label Issues Worldwide
- This research article, published in Naunyn-Schmiedeberg's archives of Pharmacology, investigated the consistency and safety of 125 turmeric (curcumin) supplements available online in Australia, Germany, India, the UK, and...
- * Labeling Inconsistencies: A critically important portion of supplements (34.4%) didn't disclose the amount of active curcuminoids.
- * Global Scope: Researchers analyzed 25 products from each of the five countries (Australia, Germany, India, the UK, and the USA) in April and May 2022.
Summary of the Research Article on Turmeric Supplements
This research article, published in Naunyn-Schmiedeberg’s archives of Pharmacology, investigated the consistency and safety of 125 turmeric (curcumin) supplements available online in Australia, Germany, India, the UK, and the USA. Here’s a breakdown of the key findings:
Key Issues Identified:
* Labeling Inconsistencies: A critically important portion of supplements (34.4%) didn’t disclose the amount of active curcuminoids.
* Dosage Concerns: 28.8% of products with dosage facts recommended exceeding the Joint FAO/WHO Expert Committee on Food Additives (JECFA) acceptable daily intake (ADI) of 0-3mg/kg body weight. This risk is highly likely underestimated in products with bioavailability enhancers.
* Poor Regulation: The study highlights a poorly regulated global market, perhaps exposing consumers to overdose and adverse effects.
* Bioavailability Issues: curcumin itself has poor bioavailability, meaning the body doesn’t absorb it well.
* Safety of Enhancers: Manufacturers use Turmeric Effect-Enhancing Substances (TEES) like piperine to improve absorption, but the safety of these highly bioavailable formulations hasn’t been thoroughly studied, with some reports of liver toxicity (hepatotoxicity).
Study Methodology:
* Global Scope: Researchers analyzed 25 products from each of the five countries (Australia, Germany, India, the UK, and the USA) in April and May 2022.
* Data Collection: Information was gathered from package labels and advertising websites.
* Parameters Evaluated: The study focused on:
* Type of turmeric used
* Amount of active curcuminoids
* Manufacturer’s Maximum daily Dose (MDD)
* Presence of TEES
* Product price & advertised benefits
* Safety information (warnings, drug interactions, pregnancy use)
Overall Conclusion:
The study reveals a concerning lack of consistency and clarity in the turmeric supplement market, raising significant public health concerns. There’s an urgent need for harmonized international standards to ensure consumer safety.