Hennessy X.O is a premium cognac. It can have some social and sensory benefits, but it does not provide significant health benefits.
Enjoyment and relaxation: Small amounts may help people feel relaxed socially, although alcohol is not recommended as a treatment for stress.
Contains some antioxidant compounds: Cognac contains polyphenols, but the amounts are small and do not make it a healthy drink.
No proven heart-health benefit: Older research sometimes suggested moderate alcohol might protect the heart, but current evidence does not support starting alcohol for health benefits.
Alcohol risks: Regular or heavy drinking can increase the risk of liver disease, high blood pressure, certain cancers, addiction, and other health problems.
Bottom line: Hennessy X.O is best viewed as a luxury alcoholic.