Advanced Bionutritionals Circ02, Nitric Oxide Supplement for Men and Women, Supports Immune System, Beet Root, L-Citrulline Formula, Non GMO, Gluten Free, Dairy Free, Soy Free, Vegan (30 Lozenges)

Customers find the supplement's taste acceptable and appreciate its ability to increase oxygen levels. The product receives positive feedback for its quality. However, effectiveness and value for money receive mixed reviews, with several customers reporting no effect and considering the high price not justified. Moreover, some customers experience side effects, with one reporting pain in their legs and hips.