vit D and calcium
Vitamin D supplements can help cats maintain healthy bones, muscles, and immune function. The recommended dosage for cats is typically 100-200 IU per day, but it's important to consult with a veterinarian to determine the appropriate dosage for your specific cat's needs.
if you are breastfeding you dont need Vit. d supplement. This is only recommended for bottle feeding babies.
Calcium, vit D and vit K are important in the blood clotting cascade. Calcium and Vit K are cofactors and are directly needed to convert certain proteins into functioning clotting factors. Vit D is needed for Calcium absorption.
Vitamins that can cause a rash are; Vitamin D, Vitamin A, and Omega-3 Fatty Acids. The rash is caused by an over dose in the vitamins and is a sign you are taking over the recommended dosage.
2000
Over 50% of people have a Vitamin D disorder. Vit D disorder is not considered to be a cause of Fibromyalgia. However, increasing your Vit D can improve some of your symptoms.
synthesis of a Vit. D
Males don't actually need a lot of Vit D at the age of 30 - 50. From the age of 65 onwards calcium or Vit D loss begins and one can choose to either take Vit D tablets or lots of dairy products and meat. However females do need Vit D at 40 years, especially if they have had a baby because part of their Vit D or calcium has been passed on to the baby.
Make the bone strong. Sunlight is a very important source of vit D.
Vitamin D is a hormone also.
OD or no-D.