Description Alvityl Hydrink Zen 20 Effervescent Tablets is designed to support periods of stress and temporary tension. Its formula combines active ingredients known to support the functioning of the nervous system, help manage stress and contribute to cognitive functions. The effervescent tablets dissolve easily in water, promoting good hydration while providing essential nutrients for mental well-being. Intended for teenagers aged 12 and over, this food supplement helps to cope with the demands of daily life while supporting intellectual performance. Their pleasant lime flavor makes them easy and enjoyable to take every day. No coloring, no gluten, no lactose.