Conversion Factors (Vitamins) 1 Vitamin A 1 mcg Retinol Equivalent (RE) 1 IU Vitamin A 1 mg Vitamin A Acetate 1 mg Vitamin A Palmitate 1 mg β-Carotene 1 IU β-Carotene = = = = = = = = = = = = = = = = = = = = = = = 3.333 1.147 1.832 6 1 0.344 0.550 1.8 0.3 0.3 872 872 2,906 1.597 546 546 1,820 0.626 167 167 556.6 1667 0.6 1 mg α-Tocopherol Equivalent = (α-TE) = = = = 1 IU Vitamin E = = = = 1 mg d-α-Tocopherol = = 1 mg d-α-Tocopheryl Acetate = = 1 mg dl-α-Tocopherol = = 1 mg dl-α-Tocopheryl Acetate = = 1.49 1.49 1.36 1.10 1 1 0.91 0.74 0.67 1 1.49 0.91 1.36 0.74 1.10 0.67 1 IU Vitamin A mcg Vitamin A Acetate mcg Vitamin A Palmitate mcg β-Carotene2 mcg Retinol mcg Vitamin A Acetate mcg Vitamin A Palmitate mcg β-Carotene2 mcg RE mcg Retinol mcg RE mcg Retinol IU Vitamin A mg Vitamin A Palmitate mcg RE mcg Retinol IU Vitamin A mg Vitamin A Acetate mcg RE mcg Retinol IU Vitamin A 2 IU β-Carotene2 mcg β-Carotene2 Vitamin E Vitamin D 1 IU Vitamin D3 1 mg Cholecalciferol 1 mcg Cholecalciferol Vitamin B1 (Thiamine Base) 1 mg Thiamine Base 1 mg Vitamin B1 HCl Anh 1 mg B1 HCl (Commercial Product) 1 mg Thiamine Mononitrate 1 mg B1 HCl (Commercial Product) IU mg mg mg mg mg mg mg mg mg IU mg IU mg IU mg IU dl-α-Tocopheryl Acetate dl-α-Tocopherol d-α-Tocopheryl Acetate d-α-Tocopherol dl-α-Tocopheryl Acetate dl-α-Tocopherol d-α-Tocopheryl Acetate d-α-Tocopherol α-TE α-TE α-TE α-TE = 0.025 mcg Cholecalciferol = 40,000 IU Vitamin D3 = 40 IU Vitamin D3 = = = = = 1.2710 mg 1.3379 mg 1.2336 mg 0.7867 mg 0.7474 mg Vitamin B1 HCl Anh B1 HCl (Commercial Product) Thiamine Mononitrate Thiamine Base Thiamine Base = = 0.8106 mg 0.9500 mg Thiamine Base Vitamin B1 HCl Anh Vitamin B2 (Riboflavin) 1 mg Vitamin B2 = 1 mg Riboflavin 1 mg Riboflavin = 1.4286 mg Ribolfavin-5’-Phosphate Sodium (Commercial Product) 1 mg Ribolfavin-5’-Phosphate = 0.7000 mg Riboflavin Sodium (Commercial Product) 1 mg Riboflavin = 1.3667 mg Ribolfavin-5’-Phosphate Sodium 1 mg Ribolfavin-5’-Phosphate = 0.7317 mg Riboflavin Sodium Vitamin PP (Vitamin B3/Nicotinic Acid/Niacin) 1 mg Nicotinic Acid/Niacin = 1 = 1.008 = 4.114 1 mg Niacin Equivalent (NE) = 60 1 mg Nicotinamide = 0.992 = 4.082 1 mg Romax = 0.235 = 0.233 mg mg mg mg mg mg mg mg Vitamin B5 (D-Calcium Pantothenate/Panthenol) 1 mg Pantothenic Acid = 1.1204 mg = 1.0880 mg = 1.100 mg = 0.936 mg 1 mg Calcium Pantothenate = 0.8925 mg (Commercial Product) 1 mg Calcium Pantothenate Anh = 0.9191 mg = 0.8610 mg 1 mg Panthenol = 1.068 mg = 1.161 mg = 1.181 mg Vitamin B6 (Pyridoxine Base) 1 mg Pyridoxine Base 1 mg Pyridoxine HCl = = 1.2155 mg 0.8227 mg Niacin Equivalent (NE) Nicotinamide Romax Anh Tryptophan Nicotinic Acid/Niacin Romax Anh Nicotinamide Nicotinic Acid/Niacin Calcium Pantothenate (Commercial Product) Calcium Pantothenate Anh Sodium Pantothenate Panthenol Pantothenic Acid Pantothenic Acid Panthenol Pantothenic Acid Calcium Pantothenate Sodium Pantothenate Pyridoxine HCl Pyridoxine Base Folic Acid 1 mg Folic Acid = 0.9050 mg (Commercial Product) 1 mg Folic Acid Anh = 1.1045 mg Vitamin C (Ascorbic Acid) 1 mg Ascorbic Acid 1 mg Calcium Ascorbate 1 mg Sodium Ascorbate 1 mg Ascorbyl Palmitate 1 mg Romax Anh = = = = = = = = 1.124 1.210 2.360 1.360 0.826 0.889 0.425 0.735 mg mg mg mg mg mg mg mg Folic Acid Anh Folic Acid (Commercial Product) Sodium Ascorbate Calcium Ascorbate Ascorbyl Palmitate Romax Anh Ascorbic Acid Ascorbic Acid Ascorbic Acid Ascorbic Acid 1 For use in determining ingredient composition or ingredient legend calculation – Included compensation for market forms which are not 100% potency (especially for the water soluble vitamins). 2 Based on the relationship: 1 IU of β-Carotene = 0.6 μg β-Carotene = 0.1 μg Retinol=0.333 IU of Vitamin A activity (FAO/WHO, Rome 1988). For water soluble vitamins, the conversion factors are based on molecular weight of compounds. Potency of marketed forms is not considered.