Wellness influencers with substantial social media followings are promoting metal straws priced around fifty dollars, asserting they shield consumers from electromagnetic radiation emitted by household electronics and personal devices. The straws, distinguished by an unconventional hole running through their centre, are marketed to restore energy, improve digestion, and strengthen immune function when used as drinking vessels, with promoters claiming the products harmonise cellular function.

These straws represent one segment of a larger commercial market for electromagnetic-blocking merchandise, including jewellery, stickers, and clothing, none of which carry FDA approval or scientific backing. The Federal Trade Commission has issued multiple public warnings stating such products lack credible evidence of reducing radiation exposure, whilst a BBC investigation found measurable effects were absent. Although genuinely hazardous ionising radiation exists from medical equipment and ultraviolet sources, the non-ionising radiation from consumer electronics has not been reliably linked to disease in peer-reviewed research, yet online searches for EMF protection have increased dramatically.