The popular brand Oatly, for example, adds vitamins D and B12, as well as calcium-three nutrients youd get from dairy. But as ... which can be a perk or a downfall depending on your dietary goals. If youre restricting carbohydrates in your diet (hello, ... "The nutrients that oat milk is fortified with are also provided in other foods such as the calcium found in almonds and tofu," ... Just remember that homemade oat milk wont contain any added nutrients such as vitamin D or calcium, so be sure to get these ...