Vitamin D from supplements is the safest option
Safer than an hour each day in the summer sun (possible skin cancer)
Safer than getting no vitamin D from the winter sun in Northern part of US
Safer than trying to drink 3 gallons of milk daily (100 IU per 8 ounce)
- Cost just $0.02 /day for supplement vs $9.00 /day for the milk
The above is a take-off on the following – which incorrectly assumed that only 600 IU is needed