Read our detailed Quietum Plus reviews 2026 covering the missing clinical trial, the refund barrier complaints, and real buyer risks. No published independent RCT shows it reduces tinnitus . The BBB logged 37 complaints over three years, with ineffectiveness and refund difficulty dominating . Trustpilot rates quietumplus.com a "Poor" 2.2/5, with users reporting no change after 60 days and ignored refund requests . The proprietary blend hides every botanical dose . Get the complete 2026 breakdown