Cheap raspberry ketones, buy them online today. Raspberry ketones are a natural phenolic and an active compound of the red raspberry. As well as being used to flavor and color food, raspberry ketone is found in cosmetics and perfume. Although popular, raspberry ketone is not cheap and people who use the phenolic often pay upwards of $20, 000 per kilo. The Food and Drug Administration (FDA) carried out a full investigation in 1965, to check how safe raspberry ketone was to the general population. Following the investigation, it was given the FDA GRAS status, which means it has been certified as safe for use.