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.
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.