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Vitamin D is a dietary requirement for cats as they lack the ability to efficiently synthesize vitamin D3 using sunlight. This fat-soluble vitamin is required in cats for bone formation through the promotion of calcium retention, along with nerve and muscle control through absorption of calcium and phosphorus. Wild cats probably gather vitamin ...
The Institute of Medicine in 2010 recommended a maximum uptake of vitamin D of 4000 IU/d, finding that the dose for lowest observed adverse effect level is 40,000 IU daily for at least 12 weeks, [25] and that there was a single case of toxicity above 10 000 IU after more than seven years of daily intake; this case of toxicity occurred in ...
Vitamin D 3 (cholecalciferol) is produced industrially by exposing 7-dehydrocholesterol to UVB and UVC light, followed by purification. The 7-dehydrocholesterol is sourced as an extraction from lanolin, a waxy skin secretion in sheep's wool. [203] Vitamin D 2 (ergocalciferol) is produced in a similar way using ergosterol from yeast as a ...
The best thing you can do is to cook a special plate for your cat. All cats are going to benefit from a few extra omega-3 fatty acids, so a fresh-baked piece of fish is going to be a well ...
How much vitamin D do you need? Recommended daily intake for adults up to age 70 is 600 IU and 800 IU for adults over 70, according to the NIH. Brighten adds, "It is also important to be getting ...
Also, vitamin D is an essential vitamin because cats cannot convert it from precursors in the skin. [24] Water-soluble vitamins. Cats can synthesize niacin, but their breakdown exceeds the rate that it can be synthesized and thus, have a higher need for it, which can be fulfilled through an animal-based diet. [24]