cPNI-8U from Bonusan has been specially developed for health professionals. Its four ingredients have optimal synergy for effective use. Thanks to manganese, cPNI-8U contributes to normal energy metabolism. CPNI-8U contributes to normal energy metabolism thanks to manganese. Specially developed for health professionals. With finely ground spirulina and chlorella. How to use: If there is no different advice, it is recommended to take 3 capsules a day for as long as possible after the last meal eaten, preferably around 8 hours at night. Do not exceed the recommended daily dose.