Thiamine, or vitamin B1, is a water-soluble vitamin whose molecule contains pyrimidine and thiazole cycles. This vitamin can be produced by gut microflora, but only in insufficient amounts. It must therefore be received additionally through the diet.

Thiamine contributes to:

Thiamine is a natural component of the ingredients in ManaPowder and ManaDrink. We also add it in the form of thiamine hydrochloride. Precise information on the quantity of thiamine in ManaPowder Origin can be found here. Precise information on the quantity of thiamine in ManaDrink Origin can be found here.

Mana is nutritionally complete food. Enjoy it as part of a balanced and healthy lifestyle.


Tolerable upper intake levels for vitamins and minerals, Scientific Committee on Food, Scientific Panel on Dietetic Products, Nutrition and Allergies, EFSA 2006, online:

Vitamin and mineral requirements in human nutrition: report of a joint FAO/WHO expert consultation, Bangkok, Thailand, 21–30 September 1998. online:

Clinical studies: