Guidelines for ATC classification and DDD assignment - WHOCC

Combinations with trace elements are allowed. Other combinations, see
A11DB and A11J.
DDDs are established only for tocopherol, pyridoxine and
nicotinamide, and refers to assumed daily requirement in vitamin
deficiency.
A11J OTHER VITAMIN PRODUCTS, COMBINATIONS
The group is subdivided:
A11JA - Combinations of vitamins
A11JB - Vitamins with minerals
A11JC - Vitamins, other combinations
Combinations with trace elements are allowed.
The DDDs are given as fixed doses (1 tablet = 1 UD; 30 ml mixture
= 6 UD), except for concentrated ACD vitamin drops.
A11JA Combinations of vitamins
This group comprises all combinations of vitamins with no addition of
other substances, not covered by the preceding groups.
A11JB Vitamins with minerals
This group comprises all combinations of vitamins with minerals in subtherapeutic
doses, not covered by the preceding groups.
See also A12 - Mineral supplements.
A11JC Vitamins, other combinations
This group comprises all products, which contain vitamins (with or
without minerals) and in addition other substances, e.g. caffeine and
strychnine. Combinations with folic acid are classified in B03BB if
"folic acid deficiency" is the main indication.
This group contains products, which may also be regarded as tonics. No
sharp line has been drawn between these two groups.
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