Best Vitamin D3 Supplements

Every verified health support product whose primary audited active is Vitamin D3 (Cholecalciferol) — the active its label doses highest against its reference amount — ranked by the same composite used on the full health support page. The dose audit compares the label's Vitamin D3 (Cholecalciferol) with the Institute of Medicine's RDA: 600 IU/day.

Ranking

1 SWANSON Swanson Vitamins Vitamin D 3 5000 IU 9.9 composite $0.052per dosed serving
2 BULKSUPPLEMENTS Vitamin D3 Softgels 9.8 composite $0.056per dosed serving
3 BULKSUPPLEMENTS Vitamin D3 and K2 Softgels 9.5 composite $0.066per dosed serving

Pick up to four rows, then read them side by side.


1	Swanson Vitamins Vitamin D 3 5000 IU	9.94	100%	10.0	10.0	$0.052
2	Vitamin D3 Softgels	9.77	100%	10.0	9.3	$0.056
3	Vitamin D3 and K2 Softgels	9.53	85%	10.0	8.7	$0.066
4	Nutricost Vitamin K2 100mcg Vitamin D3 5000iu 120 Softgels	8.83	100%	10.0	6.7	$0.141
5	Nutricost Vegan Vitamin D3	7.65	85%	10.0	3.3	$0.200
6	Liposomal Vitamin D3	not enough data	25%	not enough data	not enough data	not enough data

Click a column header to sort. not enough data means the number could not be verified from the label or price on record — never estimated.

How this ranking is built

These are the same composite scores as the full Health Support ranking — value math against the whole category, formula and dose auditing from the verified label — shown for the Vitamin D3 slice only. Nothing is re-scored for this page; see how we rate for the full method.