Is Vitamin D a Prescription?

When you're locked inside and you don't get a lot of sunlight, the impact of like vitamin D on your body. That's mainly when you research this. And if you find two years in a row, you're consistently like, I'm sad from December until February, you can talk to your doctor because they can literally prescribe you things. There's really cool things in Sweden where they literally prescribe you like going to the parks. Walks are magic.