# High-Dose Vitamin D Linked to Better Cognition in Older Adults with Memory Problems and Poor Sleep

> **Newsylist Open Intelligence Dossier** · First detected: 2026-09-29 18:29 UTC · Category: Health · Sources: 6 · Current Velocity: 3.67

## Key People, Organizations & Locations
Sleep, Better, Memory, Older, Adults, Linked, Cognition, Problems, Poor, Vitamin

## Multi-Source Evidence Table
| Source Outlet | Headline | Published (UTC) | Verification URL |
|---|---|---|---|
| Earth.com | Adults taking high-dose vitamin D had higher scores on a thinking test | 2026-09-28 21:48 | [Source Link](https://news.google.com/rss/articles/CBMipgFBVV95cUxOdkJCbXVybXlMQW1tZ1Mwa01hZWVaNGFJZ3BrT1p4M01IWWZaNmFZYi05RWR3V0xTUUlndmhaNFJXZ29GQWlEOFV3czVOMmJOZkxvZ05HYlNwTlQ4MmUyeW1ZdDhXR2Z2OVQ0eHo4TEs5ektlVmtxR05jR2tBalRLWndiV3QzUmlzLXRPV2VMZG1FNXo0UElKaEpyR293T21BU0lUYlZB?oc=5) |
| goodmenproject.com | Vitamin D May Improve Cognition for People at Risk of Dementia | 2026-09-28 21:48 | [Source Link](https://news.google.com/rss/articles/CBMiqwFBVV95cUxNX1JKaXZ6NkhNYTl4ZVdCaTJZUXpQYTFWYnJBS2VEWndKRlBFdWViVTdhejJZMjVpNGJrQkhGMElTckNmTGhmRDhObU0wV2tmTnMxSkI1djlueW5tWC1RNU16QWtFWjdxVDRlaHlxZXZPajBtQW5mRzZOSFdjZWZOTHkxaXVXdS12R0piNzVnX252dlRIYzBxd1pJTUI2cG5zak9ZMldYcXUxMjQ?oc=5) |
| Newswav | Higher Vitamin D Intake Linked to Better Brain Health in Adults With Sleep Problems and Mild Cognitive Impairment | 2026-09-28 21:48 | [Source Link](https://news.google.com/rss/articles/CBMitgFBVV95cUxOZE9ibzdvZFVrbl84eURHXzd3NE9qVTdLT0tYVWFsLTZKaVdZQUlqUnhkczk0U2lSdjlNSTE0T2xrQy1KTVZ1d1VpSUh4RkcwZWtTUlAwVW84aHBjVzdUNEpEMTJTeXpzdjlIb25jWU9qdE5lWEJ5V05PeWMwQjN4dU42d1ZiRk9wZURMZmJqclQxd1BNVkNCWUU1TmhaLTA0R1FLRkk3SS15MVZ1azdhVHlYYU5pZw?oc=5) |
| AOL.com | Adults taking high-dose vitamin D had higher scores on a thinking test | 2026-09-28 21:48 | [Source Link](https://news.google.com/rss/articles/CBMigAFBVV95cUxPbWszWXNaUmlTZ29ybzM1MGNjN0pYTnhHYk05OVRRNmNqNVR3bDlaMk12T09nekpGTUlRZm82VnF2YXd6eE9vWWhISklob3JSZkFEZ0R6WUM1WHBMajBkcTNrVy1ZTGpTQkw0N1hOdW85UDNUSkZWYWtVRS1HX1pzQQ?oc=5) |
| The Well News | Higher-Dose Vitamin D Supplement Use Linked to Better Cognitive Scores | 2026-09-28 21:48 | [Source Link](https://news.google.com/rss/articles/CBMiqgFBVV95cUxPdHpXSUhfLU5jSzM0V0xQcFJqUDVvc01pa0JGNG10VTl6Umh0SnJDT2NDd3FjQ3hSLU1UQ1BiU0JQTXRIODE1ZGtfaEtIT1VtNEVBR0d4X29BeDRuVHN5bVBMSnFKcmF5bkZDNFFaVU9xM1lFalFnd1pkdjFwZ05GZHBheUlGeFpqQkRvVS1PN3ZndkxsdlQ5b25qRVpMQkhiTGV0S01aVWEyQQ?oc=5) |
| Sci.News | High-Dose Vitamin D Linked to Better Cognition in Older Adults with Memory Problems and Poor Sleep | 2026-09-28 21:48 | [Source Link](https://news.google.com/rss/articles/CBMirwFBVV95cUxNcFNwaXRwckdFV1RadUhyNzkyMktPdDQtNFhoWVlkRjdvSW9MbWxaLXlNcnZZWjRheDF2ckFfV0tRQWVPX09BN2luZExUTE9HUGpCNFZlaWRmYzJDVmpUcWwzVmZSVm1zYUhwanJSYnVSWG9mRHhYQkd3c2lKRTZJci1hdXNaZDZETkJNTHRXSHNyeDZQcFlRX2F3NEE3R0VLamp1MGxLcGloamlJaVRB?oc=5) |

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*Canonical Source: https://www.newsylist.com/trend/2026-09-29/high-dose-vitamin-d-linked-to-better-cognition-in-older-adults-with-memory*
*Synthesized by Newsylist Open Intelligence Engine under E-E-A-T journalistic standards.*