The short answer · Fall risk
Take vitamin d3 (cholecalciferol) for fall risk. This is the one to buy.
Micro Ingredients, Vitamin D3 + K2, 300 Softgels
4.9· 2,205 ratings· $0.10/serving
Vitamin D3 (Cholecalciferol) 5000 IU — higher than the studied 800-2000 IU window
Of 4,725 products scored for Fall risk, Micro Ingredients, Vitamin D3 + K2, 300 Softgels ranks #1 with a DoseRank score of 86. Vitamin D3 (Cholecalciferol) has moderate human evidence for this outcome.
Retailer links may be affiliate links. Rankings and placement are never paid.
The form“Why Vitamin D3 (Cholecalciferol) — not Vitamin D?”Evidence Moderate evidence
Vitamin D3 (Cholecalciferol) has moderate human evidence for this outcome.
- Vitamin D3 (Cholecalciferol)The pick
Moderate evidence · 5000 IU
The form made by skin on sun exposure and used in most supplements; converts to active calcitriol and raises serum 25(OH)D more effectively than D2.
- Vitamin D
Moderate evidence · 5000 IU
Fat-soluble vitamin made in skin from sunlight; needed for calcium absorption, bone health, and immune modulation, and widely deficient in low-sun regions.
The dose“Is the dose actually effective?”Dose fit 94
Vitamin D3 (Cholecalciferol) at 5000 IU is higher than the studied 800-2000 IU window.
Vitamin D3 (Cholecalciferol)
Studied window 800-2000 IU · this pick 5000 IU
The ranking“Why should I trust this pick?”Trust 88
Strong trust signals — consistently high marks from verified buyer ratings. Each product gets a DoseRank score blending clinical strength, evidence, dose fit, trust and value. Retailer links may be affiliate links — the scoring model decides placement, never payment from a brand.
- 4,725 products scored
- Never paid placement
- Evidence level: Moderate · 78
- 456 brands
- 3 ingredients
The price“Can I do better than $0.10 a serving?”Value 84
$0.10 per serving — low price tier for this outcome. Nothing else in this ranking costs less per serving.
Ready?
The #1 pick is $0.10 a serving.Micro Ingredients, Vitamin D3 + K2, 300 Softgels — in stock at a tracked retailer.
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Micro Ingredients, Vitamin D3 + K2, 300 Softgels ranks #1 for Fall risk with a DoseRank score of 86. The score blends clinical strength, evidence, dose fit, trust signals and value across 4,725 products scored for this outcome.