Derivation Web

claim_311a1751eeed4516

{"decision": "revise", "gate_failures": [{"name": "source_authority_available", "passed": false, "reason": "source metadata could not be verified: doi:10.1111/j.1532-5415.2010.03142.x, doi:10.1371/journal.pone.0225600"}], "notes": ["source metadata verification unavailable (fail-closed)"], "review_recommendation": null}

source_4c3e8ebddc70489e

# Alpha memo: Vitamin D Muscle and Training Outcomes in Human Studies

Hypothesis-level alpha signal; not clinical advice.

**Alpha hypothesis:** In vitamin d muscle strength older adults randomized trial, direct human randomized trial receipts support a bounded null, negative, and positive signal across strength, error, and function; treat it as hypothesis-level until the same population and endp…