A vitamin that includes both CHOLECALCIFEROLS and ERGOCALCIFEROLS, which have the common effect of preventing or curing RICKETS in animals. It can also be viewed as a hormone since it can be formed in SKIN by action of ULTRAVIOLET RAYS upon the precursors, 7-dehydrocholesterol and ERGOSTEROL, and acts on VITAMIN D RECEPTORS to regulate CALCIUM in opposition to PARATHYROID HORMONE.
    

concept

Ostermilk : a successful dried-milk food at the price of grade-A milk 2/-.

We are now in the Adexolin season.

Glucodin energy to fight the fever.

Enjoy the sun indoors with the Homesun / [ Hanovia Ltd.].

Un verdade coloide : calcio coloidal con vitamina "D" : Vitacal inyectable / Laboratorios Dr. Laureano Pequeño.

Ostelin products.

Recipes rich in milk / Pet Milk Company.

Ostogen-A "Frosst" gotas / Charles E. Frosst & Co. ; distribuidores exclusivos para Cuba: Distribuidora Cubana.

Complan : no other food drink youcan sell is as compelte as Complan : the food that supplies every nutritional substance the body needs.

Be sunsmart : cut your cancer risk / Cancer Research UK.

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Vitamin D

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Ostelin products.

Recipes rich in milk / Pet Milk Company.

Ostogen-A "Frosst" gotas / Charles E. Frosst & Co. ; distribuidores exclusivos para Cuba: Distribuidora Cubana.

Complan : no other food drink youcan sell is as compelte as Complan : the food that supplies every nutritional substance the body needs.

Be sunsmart : cut your cancer risk / Cancer Research UK.