Oral Pro Vitamin D3 + EOral Pro Vitamin D3 + E Vitamin D supplementation in pigs has become nutritionally important due to the lack of sunlight in modern pork production. The good news is that Oral Pro Vitamin D3 plus E liquid concentrate is a highly concentrated Vitamin D3 that's easy to implement. While D3 is the preferred form of vitamin D over the plant based D2, which has poor bio availability in pigs, Oral Pro Vitamin D3 plus E also provides Vitamin E to reduce the