Quality index: Appearance:White acicular crystal Content: ≥ 99% Instruction: Raspberry ketones are natural chemicals that give raspberries their enticing aroma. When ketones are taken from raspberries, they can be used to add fragrance and flavor to things such as colas, ice cream, and cosmetics. Experts say that investing in a bottle of raspberry ketone supplements amounts to little more than wishful thinking. And it may or may not be harmful. Raspberry ketone is a chemical from red raspberries, as well as kiwifruit, peaches, grapes, apples, other berries, vegetables such as rhubarb, and the bark of yew, maple, and pine trees. People take raspberry ketone by mouth for obesity. People apply raspberry ketone to the skin for hair loss. Raspberry ketone is also used in foods, cosmetics, and other manufacturing as a fragrance or flavoring agent. Early research shows that applying a raspberry ketone solution to the scalp might increase hair growth in people with patchy hair loss. Early research shows that applying a raspberry ketone solution to the scalp might increase hair growth in people with male pattern baldness Obesity.  Early research suggests that taking raspberry ketone plus vitamin C might decrease weight and body fat in healthy people. Other research suggests that taking a specific product (Prograde Metabolism, Ultimate Wellness Systems) containing raspberry ketone (Razberi K, Integrity Nutraceuticals) and other ingredients twice daily for 8 weeks reduces body weight, body fat, and waist and hip measurements when used with dieting, compared to dieting alone in overweight people. The effects of taking raspberry ketone alone are not clear. Raspberry ketones in food and cosmetics are generally considered safe. But no one knows what short- or long-term effect raspberry ketone supplements could have on your overall health. No study has been done to document potential side effects. There are also no studies that look at potential drug or food interactions. The fact that raspberry ketones chemically resemble other stimulants suggests the potential for certain side effects. And there are anecdotal reports of jitteriness, increased blood pressure, and rapid heartbeat among people taking raspberry ketone supplements. Without scientific evidence, no one can say what dosage of raspberry ketone supplements, if any, might be safe to take.