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vitamin British & World English

Any of a group of organic compounds which are essential for normal growth and nutrition and are required in small quantities in the diet because they cannot be synthesized by the body

vitamin A British & World English

Another term for retinol.

vitamin B British & World English

Any of a group of substances (the vitamin B complex) which are essential for the working of certain enzymes in the body and, although not chemically related, are generally found together in the same foods. They include thiamine (vitamin B1), riboflavin (vitamin B2), pyridoxine (vitamin B6), and cyanocobalamin (vitamin B12)

vitamin C British & World English

Another term for ascorbic acid.

vitamin D British & World English

Any of a group of vitamins found in liver and fish oils, essential for the absorption of calcium and the prevention of rickets in children and osteomalacia in adults. They include calciferol (vitamin D2) and cholecalciferol (vitamin D3)

vitamin E British & World English

Another term for tocopherol.

vitamin H British & World English

Another term for biotin.

vitamin K British & World English

Any of a group of vitamins found mainly in green leaves and essential for the blood-clotting process. They include phylloquinone (vitamin K1) and menaquinone (vitamin K2)

vitamin M British & World English

Another term for folic acid.

vitamin P British & World English

The bioflavonoids, regarded collectively as a vitamin

provitamin British & World English

A substance which is converted into a vitamin within an organism

multivitamin British & World English

A pill, tablet, etc. containing a variety of vitamins

vitamin B1 in vitamin B British & World English

Any of a group of substances (the vitamin B complex) which are essential for the working of certain enzymes in the body and, although not chemically related, are generally found together in the same foods. They include thiamine (vitamin B1), riboflavin (vitamin B2), pyridoxine (vitamin B6), and cyanocobalamin (vitamin B12)

vitamin B2 in vitamin B British & World English

Any of a group of substances (the vitamin B complex) which are essential for the working of certain enzymes in the body and, although not chemically related, are generally found together in the same foods. They include thiamine (vitamin B1), riboflavin (vitamin B2), pyridoxine (vitamin B6), and cyanocobalamin (vitamin B12)

vitamin B6 in vitamin B British & World English

Any of a group of substances (the vitamin B complex) which are essential for the working of certain enzymes in the body and, although not chemically related, are generally found together in the same foods. They include thiamine (vitamin B1), riboflavin (vitamin B2), pyridoxine (vitamin B6), and cyanocobalamin (vitamin B12)

vitamin D2 in vitamin D British & World English

Any of a group of vitamins found in liver and fish oils, essential for the absorption of calcium and the prevention of rickets in children and osteomalacia in adults. They include calciferol (vitamin D2) and cholecalciferol (vitamin D3)

vitamin D3 in vitamin D British & World English

Any of a group of vitamins found in liver and fish oils, essential for the absorption of calcium and the prevention of rickets in children and osteomalacia in adults. They include calciferol (vitamin D2) and cholecalciferol (vitamin D3)

vitamin K1 in vitamin K British & World English

Any of a group of vitamins found mainly in green leaves and essential for the blood-clotting process. They include phylloquinone (vitamin K1) and menaquinone (vitamin K2)

vitamin K2 in vitamin K British & World English

Any of a group of vitamins found mainly in green leaves and essential for the blood-clotting process. They include phylloquinone (vitamin K1) and menaquinone (vitamin K2)

vitamin B12 in vitamin B British & World English

Any of a group of substances (the vitamin B complex) which are essential for the working of certain enzymes in the body and, although not chemically related, are generally found together in the same foods. They include thiamine (vitamin B1), riboflavin (vitamin B2), pyridoxine (vitamin B6), and cyanocobalamin (vitamin B12)

vitamin B complex in vitamin B British & World English

Any of a group of substances (the vitamin B complex) which are essential for the working of certain enzymes in the body and, although not chemically related, are generally found together in the same foods. They include thiamine (vitamin B1), riboflavin (vitamin B2), pyridoxine (vitamin B6), and cyanocobalamin (vitamin B12)