Best Supplements for Improved Vitamin D Levels
Ranked by research evidence. Compare 2 supplements across 4 papers from the biomedical literature, with effect direction, evidence strength, and dose range for each.
Top picks by evidence
- Moderate evidence3 studies
Across 3 studies, 3 reported beneficial moderate-sized effects of vitamin D supplementation on improving vitamin D levels. The most-studied dose ranges were high daily doses (5000-7943 IU) or weekly 15,000 IU, with effects observed at a median duration of 365 days.
Dose: 5000-7943 IU/day or 15,000 IU/weekProduct matchViva Naturals — Vitamin D3 with Organic Liquid Coconut Oil125 mcg · $15.16 · ★5.0 (208)
2 supplements
- ModerateVitamin DAcross 3 studies, 3 reported beneficial moderate-sized effects of vitamin D supplementation on improving vitamin D levels. The most-studied dose ranges were high daily doses (5000-7943 IU) or weekly 15,000 IU, with effects observed at a median duration of 365 days. · Dose: 5000-7943 IU/day or 15,000 IU/week3 beneficial3 studies