Source Naturals Coenzymate B Complex Sublingua 60 tabs

They contain B vitamins, most of which are in active forms that target common genetic polymorphisms. And the majority of the population has them. B vitamins are essential for the production of energy and red blood cells, proper function of the nervous system, healthy hair, skin and nails, as well as countless other metabolic processes. Although each B vitamin is chemically different from each other, they complement each other in various biochemical functions throughout the body – including cellular energy production, healthy red blood cell formation, and healthy neurological function. Most B vitamins (except vitamin B12) are not stored in the body. Accordingly, they must be obtained daily from food to maintain good health. The auxiliary ingredients contain sorbitol and mannitol, which can potentially cause gas formation

Excellent product. I take it as prescribed by a nutritionist in long courses of 1 piece per day after meals. Blood test results have improved. And the price is good