In the last decade, scientists took note of the fact that raspberry ketone is molecularly similar to capsaicin. capsaicin is the chemical in chili peppers that gives it heat. as more studies about raspberry ketone are conducted, the scientific community is learning more and more.our raspberry ketones are highly concentrated. each serving of this dietary supplement contains 100mg of raspberry ketones. rapid release capsules.dose: 1 capsule twice daily, preferably with meals.