Fig. 2

Comparison of conventional COVID-19 therapies with functional food therapy. Vaccines and drugs, both part of conventional therapy, pose many challenges such as side effects, inaccessibility, non-specificity, and inaccuracy. In addition, the long-term accuracy and side effects of all COVID-19 vaccines have not been studied, making vaccine treatment very uncertain. In contrast, functional foods are simple, cost-effective food ingredients that are available to everyone. Furthermore, since daily intakes for these foods have been studied rigorously and established, they are safe to consume while providing additional benefits and improving general health