Vitamin D3
Supports vitamin D status, bone health, immune function, and general health.
Educational only — not medical advice. BodEvo summarizes research cautiously and labels estimates as estimates. Talk to a physician or registered dietitian before starting any supplement, diet, or training program.
What the evidence says
Important when sun exposure or blood levels are low.
Typical dose & timing
Dose: 1,000–2,000 IU daily; higher only with professional guidance.
Timing: With a fat-containing meal.
Role in a stack
Micronutrient coverage.
Redundancy check: Check multivitamin for duplicate D3.
Cautions & safety
Avoid chronic high-dose use without bloodwork. Fat-soluble vitamin.
Best validated with bloodwork. Fat-soluble vitamins can accumulate.
Best for
low sun exposure · winter · low vitamin D bloodwork
Buying guide
Budget: Simple D3 softgels, 1,000–2,000 IU per capsule. Widely available and inexpensive.
Standard: D3 from a quality brand with clean ingredients. Often sold combined with vitamin K2.
Premium: D3+K2 combination product from a brand with third-party testing.
Source-verified products
Real products in this category, ordered by review count. Each price and rating comes from the product's own page, recorded 2026-07-29 — follow the link for current values. Links go to the product's source page and never affect this ranking.
- Vitamin D3
NatureWise · $6.99 · 4.7/5 (3851 ratings) · budget tier - Thorne Vitamin D-5000
Thorne · $20.00 · 4.8/5 (624 ratings) · premium tier - Sports Research Vitamin D3
Sports Research · $15.95 · 4.8/5 (158 ratings) · mid tier - Nutricost Vitamin D3
Nutricost · $14.97 · 4.7/5 (102 ratings) · budget tier - Vitamin D3 Softgels
BulkSupplements.com · $17.97 · 4.89/5 (80 ratings) · premium tier - Vitamin D3+K2
JYM Supplement Science · $19.99 · 4.9/5 (78 ratings) · premium tier - Vitamin D3
Swolverine · $9.99 · 4.85/5 (52 ratings) · budget tier - Daily Vitamin D3 Supplement
Naked Nutrition · $15.99 · 4.8/5 (48 ratings) · mid tier - Vitamin D3 5,000 IU (125 mcg)
Carlson Labs · $15.90 · 5/5 (25 ratings) · mid tier - Vegan Vitamin D3
NatureWise · $15.99 · 4.8/5 (19 ratings) · mid tier - Vitamin D3 2,000 IU (50 mcg)
Carlson Labs · $12.90 · 4.8/5 (17 ratings) · budget tier - Vegan Vitamin D3 + K2
NatureWise · $21.99 · 4.9/5 (12 ratings) · premium tier
References
- Vitamin D and muscle function. Scandinavian Journal of Medicine & Science in Sports (2010)
Vitamin D deficiency is associated with muscle weakness and impaired physical performance. Supplementation in deficient individuals consistently improves outcomes.
Use it in the app: open the Supplement Library and Stack Builder — free, local-first, no account required.