Vitamin D in Canine Health
Nobody ever said that vitamins are an easy subject to understand – and although they are essential for life, too much or too little of a vitamin can make a huge difference to an animal’s health. Valerie Parker makes it all clear in her excellent review of Vitamin D.
Various forms of vitamin D supplementation exist, but it is not clear what the best form of supplementation is for most diseases.
Vitamin D metabolism is complex and is affected by numerous dietary and hormonal factors.
Depending on the methodology used, vitamin D metabolite concentrations can vary dramatically, and interlaboratory results may not be comparable.
Dietary vitamin D intake cannot predict a dog’s 25(OH)D status.