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Toxicity of colloidal silver products and their marketing claims in Finland.
Toxicol Rep. 2021; 8:106-113.TR

Abstract

Aims

The aim was to investigate the marketing practices, beliefs and health claims regarding the use of colloidal silver in Finland. Silver nanoparticles (AgNPs) are potentially toxic due to their small size and Ag+-release capabilities, and the use of colloidal silver products containing AgNPs can cause a wide variety of adverse effects such as argyria.

Methods

Contents of three company websites selling colloidal silver were reviewed, and the claims used in the marketing of colloidal silver were compared to the scientific information about silver. In Facebook posts and discussion about colloidal silver were analyzed.

Results

In Finland, the marketing of colloidal silver products on websites selling the products did not follow the regulations of authorities; several scientifically unfounded claims about the efficacy and medical use of colloidal silver were found. After the Finnish Broadcasting Company (Yle) documentary and an intervention by authorities, contents of the websites were changed, but still questionable information and misleading claims could be found. In the analyzed Facebook groups attitudes towards medical use of colloidal silver were uncritically positive, internal use was highly promoted and the restrictions of use were considered unjustified.

Conclusions

The use of quackery products such as colloidal silver can be dangerous, and their use and marketing should be controlled and restricted.

Authors+Show Affiliations

School of Pharmacy/Toxicology, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland.Finnish Institute for Health and Welfare, Kuopio, Finland.School of Pharmacy/Toxicology, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland. Finnish Institute for Health and Welfare, Kuopio, Finland.School of Pharmacy/Toxicology, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

33437653

Citation

Leino, Veera, et al. "Toxicity of Colloidal Silver Products and Their Marketing Claims in Finland." Toxicology Reports, vol. 8, 2021, pp. 106-113.
Leino V, Airaksinen R, Viluksela M, et al. Toxicity of colloidal silver products and their marketing claims in Finland. Toxicol Rep. 2021;8:106-113.
Leino, V., Airaksinen, R., Viluksela, M., & Vähäkangas, K. (2021). Toxicity of colloidal silver products and their marketing claims in Finland. Toxicology Reports, 8, 106-113. https://doi.org/10.1016/j.toxrep.2020.12.021
Leino V, et al. Toxicity of Colloidal Silver Products and Their Marketing Claims in Finland. Toxicol Rep. 2021;8:106-113. PubMed PMID: 33437653.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Toxicity of colloidal silver products and their marketing claims in Finland. AU - Leino,Veera, AU - Airaksinen,Riikka, AU - Viluksela,Matti, AU - Vähäkangas,Kirsi, Y1 - 2020/12/26/ PY - 2020/07/24/received PY - 2020/11/21/revised PY - 2020/12/21/accepted PY - 2021/1/13/entrez PY - 2021/1/14/pubmed PY - 2021/1/14/medline KW - APTT, active partial thromboplastin time KW - ATP, adenosine triphosphate KW - AgNPs, silver nanoparticles KW - Colloidal silver KW - Evira, the finnish food safety authority KW - Fimea, the finnish medicines agency KW - LDH, lactate dehydrogenase KW - NOAEL, no observable adverse effect level KW - Pseudo-medicine KW - Quackery KW - ROS, reactive oxygen species KW - RfD, reference dose KW - Silver nanoparticles KW - Social media KW - THL, the finnish institute for health and welfare KW - Tukes, the finnish safety and chemicals agency KW - U.S. EPA, the environmental protection agency of the USA KW - WHO, the World Health Organization KW - Web-based advertising KW - Yle, the finnish broadcasting company SP - 106 EP - 113 JF - Toxicology reports JO - Toxicol Rep VL - 8 N2 - Aims: The aim was to investigate the marketing practices, beliefs and health claims regarding the use of colloidal silver in Finland. Silver nanoparticles (AgNPs) are potentially toxic due to their small size and Ag+-release capabilities, and the use of colloidal silver products containing AgNPs can cause a wide variety of adverse effects such as argyria. Methods: Contents of three company websites selling colloidal silver were reviewed, and the claims used in the marketing of colloidal silver were compared to the scientific information about silver. In Facebook posts and discussion about colloidal silver were analyzed. Results: In Finland, the marketing of colloidal silver products on websites selling the products did not follow the regulations of authorities; several scientifically unfounded claims about the efficacy and medical use of colloidal silver were found. After the Finnish Broadcasting Company (Yle) documentary and an intervention by authorities, contents of the websites were changed, but still questionable information and misleading claims could be found. In the analyzed Facebook groups attitudes towards medical use of colloidal silver were uncritically positive, internal use was highly promoted and the restrictions of use were considered unjustified. Conclusions: The use of quackery products such as colloidal silver can be dangerous, and their use and marketing should be controlled and restricted. SN - 2214-7500 UR - https://www.unboundmedicine.com/medline/citation/33437653/Toxicity_of_colloidal_silver_products_and_their_marketing_claims_in_Finland L2 - https://linkinghub.elsevier.com/retrieve/pii/S2214-7500(20)30466-2 DB - PRIME DP - Unbound Medicine ER -
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