Alinamin 7 Zero is an energy drink sold by the Takeda Pharmaceutical Company. The drink contains Fursultiamine, a derivative of thiamine(Vitamin B1) which was developed in Japan by Takeda in the 1960s and is incorporated into most, if not all of its Alinamin lineup of products. According to Takeda, Fursultiamine is more easily absorbed into the body compared to thiamine(vitamin B1).
The drink contains 2.5mg of Fursultiamine, 2.54mg of riboflavin(vitamin B2), 10mg of vitamin B6, 25mg of nicotinamide, 125mg of l-aspartic acid, 1000mg of taurine, and 50mg of caffeine.
Taste
It has a lemon-like citrus taste to it and is easy to drink. Since this drink contains "zero" sugars, the drink is sweetened with sweeteners which gives it a kind of artificial sweetness.
Effect
The drink has quite a kick to it. For the price, the effects are satisfactory.
Reference
http://alinamin.jp/alinamin/fursultiamine/