The different vitamin E compounds can be exchanged based on their activity.
|
Compound
|
Amount Equivalent to 1 IU or USP
|
1 mg IU Equivalent
|
|
dl-alpha-tocopheryl acetate
|
1 mg
|
1 IU
|
|
dl-alpha-tocopherol
|
0.91 mg
|
1.1 IU
|
|
dl-alpha-tocopheryl acid succinate
|
1.12 mg
|
0.89 IU
|
|
d-alpha-tocopheryl acetate
|
0.735 mg
|
1.36 IU
|
|
d-alpha-tocopherol
|
0.671 mg
|
1.49 IU
|
|
d-alpha-tocopheryl acid succinate
|
0.826 mg
|
1.21 IU
|
