I take Jocko D3[1], it's $25 for a year supply. The dosage is on the high end though, it's 5000IU per dose whereas doctors recommend 4000IU per day. It's important to get bloodwork done once you take it, because if you aren't deficient on vitamin D, it can have adverse health effects if your levels get too high.

https://originmaine.com/nutrition/jocko-d3-gel-capsules-360c...