Opti-C is rich in vitamin C (from a mixture of ascorbic acid and acerola fruit) and plant bioflavonoids (hesperidin, rutin, quercetin and mixed citrus bioflavonoids), known for their immunoprotective properties....
Opti-T features the herb Tongkat ali (Eurycoma longifolia), which boasts a variety of published clinical trials touting its effectiveness. This ingredient helps maintain normal testosterone levels which are important for...