It's unlikely that the effect of its 13% hazelnut content offsets the over 50% pure sugar.
But then, the very idea of "healthy" and "unhealthy" foods is a fallacy. What's healthy or unhealthy is your diet in its entirety.
One question on this should be does the 'modified palm oil' reported as one of the constituents, contain trans fats. i wouldn't touch it until I am reassured on that.