Wild mushrooms can produce quite substantial amounts of vitamin D2 (ergocalciferol) if they have been exposed to strong sunlight. In practice, the average daily vitamin D intake (D2 and D3) from food is probably less than 200 IU per day for most people, which is far less than we need.Vitamin D and Vitamin K. Maintaining healthy bones is not just about increasing your calcium intake. Did you know that alongside calcium you should also look into Vitamin D3 and vitamin K2 ensure that calcium is absorbed easily and reaches the bone mass, while preventing arterial calcification.How much does a septic system cost in florida